EP2612095A1 - Ensemble condenseur de fluide frigorigène - Google Patents

Ensemble condenseur de fluide frigorigène

Info

Publication number
EP2612095A1
EP2612095A1 EP11741175.1A EP11741175A EP2612095A1 EP 2612095 A1 EP2612095 A1 EP 2612095A1 EP 11741175 A EP11741175 A EP 11741175A EP 2612095 A1 EP2612095 A1 EP 2612095A1
Authority
EP
European Patent Office
Prior art keywords
chamber
inlet
refrigerant
outlet
collecting container
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
Application number
EP11741175.1A
Other languages
German (de)
English (en)
Other versions
EP2612095B1 (fr
Inventor
Herbert Hofmann
Uwe FÖRSTER
Christoph Walter
David Guillaume
Martin Kaspar
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 EP2612095A1 publication Critical patent/EP2612095A1/fr
Application granted granted Critical
Publication of EP2612095B1 publication Critical patent/EP2612095B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B9/00—Auxiliary systems, arrangements, or devices
    • F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
    • 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
    • F28D1/053—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 straight
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/01—Geometry problems, e.g. for reducing size
    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/04—Desuperheaters
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0084—Condensers

Definitions

  • the present invention relates to a refrigerant condenser assembly according to the preamble of claim 1 and a Kraft mecanickfimaania- ge according to the preamble of claim 10,
  • refrigerant condenser assemblies for a power tool, vapor refrigerant is converted to a liquid state and then the refrigerant is further "supercooled.”
  • the refrigerant condenser assembly forms part of a refrigeration cycle of an automotive air conditioning system including an evaporator, an expansion device, and a compressor
  • the collecting tank has the task, after the condensation of the refrigerant in the condensation zone and the previous cooling in the overheating area, to separate off still existing gaseous refrigerant components and to ensure that only the refrigerant condenser assembly has a heat exchanger with cooling tubes and two header tubes liquid refrigerant after exiting the sump in the hydraulically downstream of the sump subcooling the sauüb
  • the subcooling region is formed on the heat exchanger with the cooling tubes and the two manifolds.
  • the outlet opening in the collecting container (Sammei e religiouser without riser) is located at the lowest point of the sump so that only liquid refrigerant is discharged from the sump.
  • the undercooling area of the heat exchanger is located in the lower section of the heat transfer, so that the outlet opening on the sump is correctly aligned.
  • This riser is generally designed as a plastic component, which in addition to the flow guide also other tasks within the collection, such as filtering and / or drying, can take over.
  • the liquid refrigerant stored in the sump must have a quiet fluid level for proper operation! form. In order to achieve this, it is necessary to introduce the refrigerant introduced into the collecting container below the liquid level, if the inlet opening of the collecting container is arranged in the upper region of the collecting container due to the type of construction, it is therefore necessary for the liquid to be introduced into the collecting container introduced refrigerant through a descending tube, namely a downpipe to initiate below the liquid level of the refrigerant in the collecting container.
  • the refrigerant at the inlet opening is not introduced directly into the downpipe, but first in a lasskam mer and the upwardly directed from the riser refrigerant initially introduced into an outlet and from the Ausfässhunt the refrigerant flows through the outlet from the reservoir out.
  • the diameter of the riser and the downpipe and the volume of Einiasshunt and Ausiasskammef are designed much larger than it is required for flow guidance due to manufacturing conditions. As a result, more refrigerant is present in the collecting tank in the flow spaces than is actually required for flow guidance.
  • DE 10 2005 025 451 A1 shows a condenser for an air conditioning system, in particular for motor vehicles, comprising a condensing section and a subcooling section arranged above the condenser section and an approximately tubular modulator which passes through a dividing wall into a lower section connected to the condensing section and one a riser between the lower and upper portion of the modulator and a container for desiccant in the lower portion of the modulator, wherein the modulator is provided at the top with a sealing plug and the partition with desiccant container after release of the Closure plug is removed from the top of the modulator.
  • a condenser for an air conditioner in particular a motor vehicle with a tube fin block and laterally arranged collecting pipes
  • the tube fin block has horizontally extending tubes, a condenser section and a subcooling section arranged above the condenser section, and a collector arranged parallel to one of the header tubes, a dryer, a filter, a downcomer and a riser, which via a first overflow opening with the Condenser and is connected via a second overflow with the subcooling in refrigerant communication, wherein the downpipe on the inlet side communicates with the first Matterströmöff- via an inlet chamber arranged in the collector.
  • the object of the present invention is therefore to provide a refrigerant condenser assembly and an automotive air conditioning system, in which there is little refrigerant in flow chambers in the sump.
  • a refrigerant condenser assembly for an automotive air conditioning system, comprising cooling pipes for passing a refrigerant, two manifolds for Fiuidverbinden the cooling pipe, a sump with an upper top wall and lower Bodenwan- tion and a side wall and with a Einiassö réelle to m introducing the Kältemitteis in the Sump and a discharge opening for reading the refrigerant from the sump so that through the inlet and outlet of the sump fluidly connected to the manifold and / or the cooling tubes, the sump comprises an outlet chamber and a riser and the outlet opening opens into the outlet chamber and the outlet chamber is connected to the riser and a storage chamber for the refrigerant is formed inside the collecting container and outside the outlet chamber and outside the riser, preferably the collecting container is an inlet chamber r and a downcomer, and the inlet port opens into the inlet chamber and the inlet chamber is connected to the downcomer and the storage chamber is formed outside the
  • the header tank of the refrigerant condenser assembly receives only a small amount of refrigerant in the flow spaces of the refrigerant condensing unit, that is, the inlet chamber, the outlet chamber, the riser pipe, and the downcomer.
  • the expensive refrigerant HFO 1234yf costs for manufacturing the refrigerant condenser assembly or an automotive air conditioner with the refrigerant condenser assembly can be saved, because the sump receives only a small amount of refrigerant
  • the ratio of the sum of the volume of the inlet chamber, the outlet chamber, the downpipe and the riser to the height of the collection container is less than 100, 120 or 140.
  • the inlet opening and / or the outlet opening are formed in the upper half, in particular in the upper third, of the collecting container.
  • the cooling tubes are designed as flat tubes and / or corrugated fins are formed between the cooling tubes and / or the upper cover wall and / or lower bottom wall are designed as a sealing plug and / or the outlet opening opens into the subcooling region and / or the inlet opening opens into the condensation zone>
  • the cover wall and / or the bottom wall are detachable or inseparable from the side wall of the collection container as closure plugs.
  • the side wall is at least partially, in particular completely, made of metal, for example aluminum or steel.
  • the top wall and / or the bottom wall and / or the riser and / or the downpipe at least partially, in particular completely, made of plastic.
  • the riser pipe and / or the downpipe and / or the inlet pipe and / or the outlet pipe are produced by extrusion or the riser pipe and / or the downpipe and / or the inlet pipe and / or the Exhaust pipe are made of two half shells.
  • the riser pipe and / or the downpipe can be produced with a very small flow cross-sectional area.
  • the height of the storage chamber substantially corresponds to the distance between the upper top wall and lower bottom wall and / or the storage chamber is bounded by the upper cover wall and lower bottom wall and / or the storage chamber extends from the upper cover wall to the lower bottom wall.
  • the storage chamber is enclosed by the walls of the collecting container, namely the side wall, the top wall and the bottom wall, and the storage chamber is formed outside the riser pipe, downpipe and outside the inlet chamber and the outlet chamber and inside the collecting container.
  • the storage chamber is preferably formed completely between the top wall and the bottom wall, so that no cuts occur in a horizontal section through the collecting container, in which the Cross-sectional shape of the inlet chamber and / or Ausiasshunt the cross-sectional shape of the side wall corresponds and / or in the horizontal section, the cross-sectional areas of the inlet chamber and / or the outlet chamber is smaller, in particular by 0.9, 0.7 or 0.5 times klei is ner than the cross-sectional area of the collecting container or the side wall.
  • the side wall is formed as a tube, in particular a circular or rectangular cross-section, tube and closed at the top and bottom of the top wall and the bottom wall ftuiddicht.
  • the storage chamber is formed on this horizontal section in a horizontal section at the inlet opening and / or the storage chamber is formed on this horizontal section in a horizontal section at the outlet opening.
  • the flow cross-sectional area of the riser and / or Fallro res is less than 200 mm 2 , in particular less than 80 mm 2 or 100 mm 2 , and / or the inner diameter of the riser and / or the downpipe is less than 8 mm or 7 mm and / or the flow cross-sectional area of the riser and / or the downpipe is between 27 mm 2 and 80 mm 2 , in particular, the inner diameter of the riser and / or the downpipe is between 3 mm and 5 mm.
  • the riser pipe and the downcomer include a flow space, and due to the small flow cross section of the riser and downcomer, the flow space is small and thereby only a small volume of refrigerant is disposed in the flow space of the reservoir. This saves the expensive refrigerant HFO 1234yf.
  • the inlet chamber and / or the outlet chamber is filled with a dryer granulate and the volume of the inlet chamber is filled.
  • only the volume which is available to the refrigerant as flow space is considered as the volume of the inlet chamber or the degassing chamber.
  • the volume of the inlet chamber corresponds to the volume of the volume enclosed by the walls of the inlet chamber minus the volume of the dryer granules. Due to the arrangement of dryer granules in the inlet and outlet, these thus have a smaller flow space and thus also according to the above definition, a small volume, thereby characterized in the collection of the inlet and outlet chamber, only a small amount of refrigerant is required or stored becomes.
  • This also applies analogously to the arrangement of other components, eg. B. a filter, in the inlet and / or outlet chamber.
  • this also applies analogously to the filling of the downpipe and the riser, if a component, eg, dryer granulate or a drier or a filter is arranged in these.
  • the Einiasshunt is formed as a first Eintass- Ri graum and / or Ausiasshunt as an outlet annulus between the side wall and a pipe socket and preferably between the side wall and the pipe socket at least two seals, in particular sealing rings, arranged for sealing between the inlet annulus and the storage chamber and / or between the outlet annulus and the storage chamber and / or between the inlet annulus and the outlet annulus.
  • the inlet chamber is designed as an inlet tube and / or the outlet chamber is designed as an outlet tube.
  • a filter is arranged on the riser, in particular a lower end of the riser.
  • Kraftfastkiimastrom comprising a refrigerant condenser assembly, an evaporator * a compressor, preferably a fan, preferably a housing for receiving the blower and the evaporator, preferably a heater, wherein the cold itteikondensatorbaueria is designed as a described in this Sch utzrechtsanmeidu g Kältemitteikondensatorbaue.
  • the refrigerant is HFO 1234yf or
  • FIG. 1 shows a perspective view of a cold-plate capacitor bank
  • FIG. 2 is a perspective view of the refrigerating capacitor group according to FIG. 1 and FIG.
  • FIG. 3 shows a longitudinal section of a collecting container in a first embodiment
  • FIG. 4 shows a longitudinal section of the collecting container in a second embodiment
  • FIG 5 shows a longitudinal section of the collecting container in a third embodiment with a collecting tube
  • a refrigerant condenser assembly 1 is shown in a perspective view.
  • the Kiiteffenkondensatorbaueria 1 is part of an automotive air conditioning system with an evaporator and a compressor (not shown).
  • the cooling tubes 2 open at their respective ends in a vertical collecting tube 5, d. H.
  • the collecting tube 5 has cooling tube openings through which the ends of the cooling tubes 2 protrude into the collecting tube 5.
  • baffles 17 Within the collecting tubes 5 are baffles 17 (FIG. 5) with which a specific flow path of the refrigerant through the cooling tubes 2 can be achieved.
  • ком ⁇ онент 4 Between the cooling tubes 2 , ком ⁇ онент 4 are arranged, which are in thermal communication with the cooling tubes 2 by means of réellefei- tion. This increases the area available for cooling the refrigerant.
  • the cooling tubes 2, the corrugated fins 4 and the two manifolds 4 are generally made of metal, in particular aluminum, and are materially connected together as a solder joint.
  • a fastening device 8 is arranged, with which the refrigerant condenser assembly 1 can be attached to a motor vehicle, in particular to a body of a motor vehicle.
  • a collecting container 6 is arranged (Fig. 1, 2).
  • the collecting container 6 is connected to an inlet and outlet opening 18, 19 (FIGS. 3 to 5) in fluid communication with the collecting tube 5 and thus also indirectly in fluid communication with the cooling tubes 2.
  • the collecting container 6 has a substantially circular cross-section. Mige sides wand 20 ung as a tube, an upper cover wall 21 and a lower bottom wall 22, which include a fluid-tight clearance.
  • the top wall 21 and the bottom wall 22 are formed as a sealing plug 23 made of plastic.
  • the lower closure plug 23 is detachably connected to the side wall 20 made of aluminum in order to carry out maintenance work, for As the replacement of a filter 16 to perform.
  • the refrigerating condenser assembly 1 has an assembly inlet port 9 for introducing the refrigerant HFO 1234yf into the refrigerant condensing assembly 1, and an assembly outlet port 10 for discharging the refrigerant from the catalyst capacitor assembly 1 (FIG. 1).
  • the ends of the cooling tubes 2 terminate in the headers 5.
  • baffles 17 and Strö ungs exchangesbleche 17 are arranged, with the nen nen a given predetermined Strömungsschaitterrorism the refrigerant can be achieved, ie with which flow path the refrigerant flows through the plurality of stacked tube 2 of the refrigerant compressor assembly 1.
  • the refrigerant condenser assembly 1 constitutes a heat exchanger for transferring heat from the refrigerant to air surrounding the refrigerant condenser assembly 1 and flowing around and flowing therethrough.
  • the heat exchanger is essentially formed by the cooling tubes 2 and the two manifolds 5.
  • the gaseous refrigerant is passed from a compressor, not shown, to the refrigerant condenser assembly 1.
  • the gaseous refrigerant is cooled at an overheating region 11 to a saturation temperature, ie at the saturation temperature occurs in accordance with the existing pressure, a condensation of the refrigerant.
  • a condensation region 12 connects, in which the refrigerant is condensed and thus liquefied.
  • the condensation zone 12 Liquid refrigerant is supplied as a liquid to the sump 6 through the inlet port 18, then discharged through an outlet port 19 from the sump 6 and supplied to the subcooling 13 and cooled in the U nterkü lulgels 13 below the boiling temperature of the refrigerant.
  • the subcooling region 13 is arranged above the overheating region 11 and above the cohesion region 12, which are essentially formed by the cooling tubes 21.
  • a first embodiment of the collecting container 6 is shown.
  • the refrigerant is introduced from the condensation section 12 through the inlet port 18, and the refrigerant is discharged from the sump 6 into the subcooling section 13 through the outlet port 19.
  • the subcooler section 13 is formed above the superheat section 11 and the condensation section 12, thus the Elnlässöffriür g 18 and the outlet opening 19 are formed in the upper region of the collecting container 6.
  • the refrigerant introduced through the inlet opening 18 flows into an inlet chamber 26.
  • the inlet chamber 26 adjacent the side wall 20 of the collecting container 6 is delimited by a first separating disk 38 and a second separating disk 39, preferably made of metal or plastic.
  • the refrigerant flows through ei downpipe 27 in a storage chamber 28, the lower end of the downpipe 27 is designed such that it is disposed below the liquid level of the refrigerant in the storage chamber 28.
  • a riser pipe 25 ends in the lower area of the storage chamber 28.
  • the refrigerant flows upward through the riser pipe 25 into an outlet chamber 24.
  • the outlet opening 19, through which the refrigerant flows out of the outlet chamber 24, opens into the outlet chamber 24.
  • the outlet chamber 24 is bounded by the side wall 20, the top wall 21 and the first cutting disc 38.
  • the distance between the first and second cutting discs 38, 39 is in a range between 5 and 20 mm.
  • a horizontal cut of the collecting container 6 corresponds to a section of the collecting container 6 perpendicular to the drawing plane of Fig. 3, 4 or 5,
  • dryer granulate 15 is arranged as a dryer 14.
  • the dryer granulate 15 serves to absorb water due to its hygroscopic properties from the refrigerant. Due to the geometry of the two cutting discs 38, 39 of the top wall 21 and the side wall 20 and their orientation to each other, the inlet chamber 26 and the outlet chamber 24 has a certain volume. In this case, the flow volume of the refrigerant in the inlet chamber 26 and the outlet chamber 24 is considered to be that volume which is available to the refrigerant for flowing. It is thus the geometric volume of the inlet and outlet chamber 26, 24 minus the volume of the dryer granulate 15.
  • the storage chamber 28 corresponds to the enclosed by the reservoir 6 interior minus the Ausf and Efntasshimmmer 24, 26, the riser 25 and the downpipe 27.
  • the storage chamber 28 has a volume V0.
  • the volume V1 of the inlet chamber 26 corresponds to the volume or space between the first and second cutting discs 38, 39 and the side walls 20 minus the volume of the dryer granules 15, that is, the volume V1 of the inlet chamber 26 corresponds to the flow space of the inlet chamber 26.
  • volume V4 of the discharge chamber 2 corresponds to the space or volume enclosed between the top wall 21 and the first separator disk 38 and the side wall 20 minus the volume of the dryer granulate 15 inside the outlet chamber 24, so that the volume V4 of the outlet chamber 24 corresponds to the flow space of the refrigerant inside the discharge chamber Outlet chamber 24 corresponds.
  • the volume V2 is the flow space enclosed by the drop tube 27, and the volume V3 is the flow space enclosed by the riser 25 for passage of the refrigerant.
  • a sieve or a grid is arranged between the outlet chamber 24 and the riser 25, so that the drying granulation lat 15 can not get from the outlet chamber 24 in the riser 25 (not shown).
  • a grid or a sieve is arranged at the upper end of the downpipe.
  • (Vi * V2 + V3 + V4) / L is less than 170.
  • the volumes Vi, V2, V3 and V4 are recorded in cubic millimeters (mm 3 ) and the height L of the collecting container 6 mm (mm).
  • the unit square millimeters (mm 2 ) results.
  • the volume of the flow spaces of the collecting container 6 is low, so that only a small amount of the expensive refrigerant has to be kept in the flow spaces of the collecting container 6, namely the volumes V1, V2, V3 and V4.
  • the drop tube 27 and the riser 25 are made of plastic by extrusion with an inner diameter in the range between 3 and 5 mm.
  • the volume V2 and V3 of the riser 25 and the downpipe 27 is very small.
  • the inner diameter of the collecting container 6 is also small in the range between 10 and 30 mm, in particular in the range between 5 and 25 mm, so that the collecting container 6 advantageously requires a small installation space and requires little material for producing the outer walls of the collecting container 6 and also because the volume V0 of the storage chamber 28 is small thereby,
  • the inlet chamber 26 is not formed as a laterally completely defined by the side wall 20 space, but only as an inlet tube 36.
  • the outlet chamber 24 which is designed as an outlet tube 37.
  • the diameter or the flow cross-sectional area of the inlet tube 36 preferably correspond to the downpipe 27 and / or the flow cross-sectional area or the diameter of the outlet tube 37 to that of the riser 25.
  • the inlet chamber 26 also has a low level in the second exemplary embodiment according to FIG Volume V1 and the outlet chamber 24 a small volume V4 on, within the inlet and outlet chamber 26, 24 no dryer granules 15 is arranged.
  • the inlet tube 36 and / or the outlet tube 37 is sealed with respect to the side wall 20 with a seal, for example an O-ring seal or a capillary blade, or via a labyrinth seal at the inlet opening 18 and the outlet opening 19.
  • the dryer granulate 15 is disposed in the storage chamber 28 (not shown).
  • FIG. 5 shows a third exemplary embodiment of the collecting container 6.
  • the side wall 20 is formed in two lines and has a first part in the upper third and a second part in the lower third. In this case, the inlet and outlet opening 18, 19 at the upper third of the side wall 20 is present.
  • a circular cross-section pipe socket 31 is arranged concentrically.
  • the outlet chamber 24 is formed as an outlet annulus 30 between the side wall 20 and the pipe socket 31 and the inlet chamber 26 as an inlet annular space 29 from.
  • the inlet opening 18 opens into the inlet annular space 29 and the outlet opening 19 opens into the outlet annular space 30.
  • the pipe socket 31 is produced by injection molding, for example made of metal or plastic, and connecting pieces for connecting the downpipe to this injection molded part are at the same time 27 and the riser 25 formed.
  • the riser 25 and the downpipe 27 are made of plastic or metal with a very small flow area. Because of this molded connection piece on the pipe socket 31, the riser and downpipe 25, 27 can be connected easily fluiddtcht to this Anschiussstutzen.
  • Fig. 5 the manifold 5 and the overheating area 11, the condensate area 12 and the U erk ühiu ngs Society 13 is shown simplified.
  • the guide plates 17 are shown in a highly schematic manner on the collecting tube 5 for the flow guidance of the refrigerant through the cooling tubes 2.
  • the cooling tubes 2 are not shown individually.
  • the overheating region 11 is arranged at the bottom of the refrigerant capacitor assembly 1. The refrigerant flows from the condensation region 12 into the inlet opening 18 and out of the outlet opening 19 of the collecting container 6 into the topmost subcooling region 13.
  • the arrangement of the subcooling region 13 at the heat exchanger of the refrigerant condenser assembly 1 At the very top may be required within a motor vehicle for design reasons, if, for example, in front of the refrigerant condenser assembly 1 in the lower part of a charge air cooler is arranged.
  • the volume V1 of the Snrng space 2 ⁇ and the volume V4 of the outlet annulus 30 are designed to be as small as possible or minimally to the smallest possible value in terms of flow technology.
  • the storage chamber 28 extends completely between the top wall 21 and the bottom wall 22. Only in the first exemplary embodiment according to FIG. 1 is the storage chamber 28 not up to the upper cover wall 21, but by dividing planes, namely the inlet chamber 26 and the outlet chamber 24, the storage chamber 28 terminates at the second cutting disc 39.
  • the pipe socket 31 can be arranged within the side wall 20 in the third exemplary embodiment according to FIG. 5 also further down than according to the illustration in FIG. 5, without the need for further structural changes.
  • the volume of the flow spaces namely the volume V1 of the inlet chamber 26, the volume V2 of the downpipe 27, the volume V3 of the riser 25 and the volume V4 of the Ausiasshunt 24 is one, in particular in relation to the height L of the collecting container 8.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un ensemble condenseur de fluide frigorigène destiné au système de climatisation d'un véhicule automobile, comprenant des tubes réfrigérants permettant le passage d'un fluide frigorigène, deux tubes collecteurs assurant la communication fluidique avec les tubes réfrigérants, un réservoir collecteur (6) ayant une paroi supérieure (21), une paroi inférieure (22) et une paroi latérale (20) ainsi qu'un orifice d'entrée (18) pour l'introduction du fluide frigorigène dans le réservoir collecteur (6) et un orifice de sortie (19) pour l'évacuation du fluide frigorigène hors du réservoir collecteur (6), de sorte que le réservoir collecteur (6) est en communication fluidique avec le tube collecteur et/ou les tubes réfrigérants par l'orifice d'entrée et de sortie (18, 19). Le réservoir collecteur (6) comprend une chambre de sortie (24) et un tube montant (25), l'ouverture de sortie (19) débouche dans la chambre de sortie (24), la chambre de sortie (24) est raccordée au tube montant (25) et une chambre d'accumulation (28) du fluide frigorigène est réalisée à l'intérieur du réservoir collecteur (6) et à l'extérieur de la chambre de sortie (24) et à l'extérieur du tube montant (25). Le réservoir collecteur (6) comprend de préférence une chambre d'entrée (26) et un tube descendant (27), l'ouverture d'entrée (18) débouche dans la chambre d'entrée (26), la chambre d'entrée (26) est connectée au tube descendant (27) et la chambre d'accumulation (28) est réalisée à l'extérieur de la chambre d'entrée (26) et à l'extérieur du tube descendant (27). Les tubes réfrigérants présentent une zone de surchauffe pour le refroidissement du fluide frigorigène sous forme de vapeur, une zone de condensation pour la condensation du fluide frigorigène et une zone de sous-refroidissement pour le refroidissement du fluide frigorigène liquide, la zone de sous-refroidissement étant réalisée au-dessus de la zone de surchauffe et au-dessus de la zone de condensation. L'invention vise à réduire dans le réservoir collecteur (6) la quantité de fluide frigorigène présente dans les espaces d'écoulement. Cet objectif est atteint en ce que la hauteur de la chambre d'accumulation (28) est supérieure à la distance entre la paroi inférieure (22) et l'orifice d'entrée et/ou de sortie (18, 19).
EP11741175.1A 2010-08-31 2011-07-28 Ensemble condenseur de fluide frigorigène Active EP2612095B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010040025A DE102010040025A1 (de) 2010-08-31 2010-08-31 Kältemittelkondensatorbaugruppe
PCT/EP2011/063008 WO2012028398A1 (fr) 2010-08-31 2011-07-28 Ensemble condenseur de fluide frigorigène

Publications (2)

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EP2612095A1 true EP2612095A1 (fr) 2013-07-10
EP2612095B1 EP2612095B1 (fr) 2017-04-26

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EP11741175.1A Active EP2612095B1 (fr) 2010-08-31 2011-07-28 Ensemble condenseur de fluide frigorigène

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US (1) US9546805B2 (fr)
EP (1) EP2612095B1 (fr)
JP (1) JP5845524B2 (fr)
CN (1) CN203421990U (fr)
DE (1) DE102010040025A1 (fr)
WO (1) WO2012028398A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP3062042A1 (fr) 2015-02-27 2016-08-31 MAHLE International GmbH Collecteur de fluide
JP6460233B2 (ja) * 2015-05-26 2019-01-30 株式会社デンソー 凝縮器
FR3049270B1 (fr) * 2016-03-22 2019-09-27 Arkema France Recipient pour le stockage d'une composition comprenant du tetrafluoropropene et methode de stockage de celle-ci
DE102016122310A1 (de) * 2016-11-21 2018-05-24 Valeo Klimasysteme Gmbh Kondensator für eine Klimaanlage, insbesondere für ein Kraftfahrzeug
CN110100140A (zh) * 2017-09-19 2019-08-06 中部电力株式会社 使用过热水蒸气的加热装置及加热方法

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JPS595815Y2 (ja) * 1981-02-05 1984-02-22 三菱アルミニウム株式会社 自動車などのク−ラ用リキツドタンク
JP2806379B2 (ja) * 1989-04-28 1998-09-30 株式会社デンソー 冷媒凝縮器
JPH05306857A (ja) * 1992-03-04 1993-11-19 Nippondenso Co Ltd 冷凍装置の受液器
JPH0953866A (ja) * 1995-08-10 1997-02-25 Calsonic Corp 凝縮器
JPH09178301A (ja) * 1995-12-27 1997-07-11 Denso Corp 可逆式受液器およびヒートポンプサイクル
US6330810B1 (en) * 2000-08-11 2001-12-18 Showa Denko K.K. Condensing apparatus for use in a refrigeration cycle receiver-dryer used for said condensing apparatus
DE10164668A1 (de) 2001-12-28 2003-07-10 Behr Lorraine S A R L Europole Gelöteter Kondensator
DE10345921A1 (de) * 2003-10-02 2005-05-12 Modine Mfg Co Kondensator und Aufnahmevorrichtung für Trocknungsmittel
DE102004043133A1 (de) * 2004-09-07 2006-03-23 Daimlerchrysler Ag Klima-Kondensator
DE102005005187A1 (de) * 2005-02-03 2006-08-10 Behr Gmbh & Co. Kg Kondensator für eine Klimaanlage, insbesondere eines Kraftfahrzeuges
DE102005021787A1 (de) * 2005-05-11 2006-11-16 Modine Manufacturing Co., Racine Vorrichtung zur Behandlung des Kältemittels
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JP2010139089A (ja) * 2008-12-09 2010-06-24 Showa Denko Kk 熱交換器

Also Published As

Publication number Publication date
DE102010040025A1 (de) 2012-03-01
EP2612095B1 (fr) 2017-04-26
US20130219953A1 (en) 2013-08-29
JP2013536780A (ja) 2013-09-26
WO2012028398A1 (fr) 2012-03-08
JP5845524B2 (ja) 2016-01-20
CN203421990U (zh) 2014-02-05
US9546805B2 (en) 2017-01-17

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