EP2751502A1 - Unité évaporateur-échangeur de chaleur - Google Patents

Unité évaporateur-échangeur de chaleur

Info

Publication number
EP2751502A1
EP2751502A1 EP12759003.2A EP12759003A EP2751502A1 EP 2751502 A1 EP2751502 A1 EP 2751502A1 EP 12759003 A EP12759003 A EP 12759003A EP 2751502 A1 EP2751502 A1 EP 2751502A1
Authority
EP
European Patent Office
Prior art keywords
evaporator
heat exchanger
refrigerant
exchanger unit
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.)
Granted
Application number
EP12759003.2A
Other languages
German (de)
English (en)
Other versions
EP2751502B8 (fr
EP2751502B1 (fr
Inventor
Tilo Schaefer
Gholam Reza Zakeri
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.)
Hanon Systems EFP Deutschland GmbH
Original Assignee
Magna Powertrain Bad Homburg GmbH
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 Magna Powertrain Bad Homburg GmbH filed Critical Magna Powertrain Bad Homburg GmbH
Publication of EP2751502A1 publication Critical patent/EP2751502A1/fr
Application granted granted Critical
Publication of EP2751502B1 publication Critical patent/EP2751502B1/fr
Publication of EP2751502B8 publication Critical patent/EP2751502B8/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
    • F25B39/02—Evaporators
    • 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
    • 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
    • F25B2339/02—Details of evaporators
    • F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
    • 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
    • F25B2339/02—Details of evaporators
    • F25B2339/024—Evaporators with refrigerant in a vessel in which is situated a heat exchanger
    • F25B2339/0242—Evaporators with refrigerant in a vessel in which is situated a heat exchanger having tubular elements
    • 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
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/051—Compression system with heat exchange between particular parts of the system between the accumulator and another part of the cycle
    • 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
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/052—Compression system with heat exchange between particular parts of the system between the capillary tube and another part of the refrigeration cycle
    • 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
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/054—Compression system with heat exchange between particular parts of the system between the suction tube of the compressor and another part of the cycle
    • 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
    • F25B2500/18—Optimization, e.g. high integration of refrigeration components

Definitions

  • the invention relates to an evaporator-heat exchanger unit, and more particularly to an evaporator-heat exchanger unit for a heating-cooling module for a motor vehicle.
  • a refrigerant is passed through a refrigerant circuit, said refrigerant circuit usually having at least a compressor, a gas cooler, an internal heat exchanger, an expansion element, an evaporator and a header reservoir.
  • These components are, usually in the order mentioned, connected via refrigerant-conducting piping, wherein the refrigerant in the condenser / gas cooler heat withdrawn and heat is supplied in the evaporator.
  • the refrigerant in the condenser / gas cooler heat withdrawn and heat is supplied in the evaporator.
  • a temperature control of the interior of a motor vehicle, a battery, a drive motor or electronics of the motor vehicle is made indirectly.
  • EP 1 990 221 A1 proposes, based on conventional heating-cooling modules for a motor vehicle, a heating-cooling module in which a condenser / gas cooler, an evaporator and an internal heat exchanger are integrated so that they form a closed unit form.
  • a condenser / gas cooler evaporator
  • an internal heat exchanger evaporator
  • the object of the invention is to enable an improved construction of a heating / cooling module for a motor vehicle in which suitable components are combined to form a unit.
  • This task is performed by an evaporator heat exchanger Unit according to independent claim 1 solved. Preferred developments of this evaporator heat exchanger unit are the subject of the dependent claims.
  • the invention according to independent claim 1 offers the advantage that, in particular, those components of a heating / cooling module for a motor vehicle which have similar temperatures are at least partially disposed in a housing enclosed by a housing. This makes it possible in particular to minimize undesired heat transfer in the refrigerant circuit and to dimension the heating-cooling module smaller, resulting in cost and space advantages.
  • the invention will be described with reference to an evaporator-heat exchanger unit for a heating-cooling module for a motor vehicle, in particular for a motor vehicle operated electrically or by hybrid drive.
  • the invention can also be used for a heating / cooling module of a motor vehicle with an internal combustion engine.
  • the invention can also be used for heating-cooling modules in stationary applications, in particular buildings, or for heating-cooling modules in other applications.
  • An evaporator-heat exchanger unit for a heating-cooling module for a motor vehicle comprising at least one collector surge tank for collecting a refrigerant and an evaporator, by means of which at least a portion of the refrigerant is converted into a gaseous state becomes.
  • a housing which consists of at least two housing parts and which encloses an interior, accommodates at least the collector expansion tank, the evaporator and a coolant, wherein an expansion element, via which the refrigerant is supplied to the evaporator, is arranged on this housing.
  • an evaporator-heat exchanger unit is understood to mean a device which is arranged in the refrigerant circuit of a heating-cooling module for a motor vehicle. In the refrigerant flow, the evaporator-heat exchanger unit is arranged between a gas cooler outlet and a compressor inlet.
  • An evaporator-heat exchanger unit according to the invention has at least one header tank, an evaporator, a housing and an expansion element. The at least two housing parts having housing is designed such that it encloses an interior in which the header tank and the evaporator are arranged and which receives a coolant. Between this coolant and the refrigerant passed in the evaporator, a heat transfer is provided.
  • the functionality of a heat exchanger is realized in the housing.
  • the refrigerant supplied to the evaporator via an expansion element arranged on the housing absorbs heat from the coolant in the housing. After passing through the evaporator, the refrigerant is directed into the header tank and accumulates within the volume defined by the header tank.
  • a heating / cooling module for a motor vehicle is to be understood as meaning a refrigerant circuit which can be removed at different, at least two points, cold or heat, in particular by removing cold and / or heat from the vehicle compartment of a motor vehicle to temper.
  • the heating and cooling module preferably has a gas cooler for removing heat from the refrigerant circuit, an evaporator for receiving heat in the refrigerant circuit, an internal michelleukin direction, an expansion device, a collector expansion tank and a compressor and lines, preferably piping, for guiding refrigerant between the individual components of the heating-cooling module.
  • a heating-cooling module according to the invention on a coolant circuit, by means of which heat can be introduced into the refrigerant in the evaporator of the heating-cooling module.
  • a reservoir is to be understood as meaning a reservoir by means of which refrigerant can be collected, which is supplied to a volume within the reservoir reservoir, the reservoir reservoir in particular enclosing this volume.
  • the refrigerant is preferably present in a high proportion of gaseous and a low proportion of liquid before.
  • the header tank is used in the heating-cooling module in particular as a reservoir for refrigerant and thus in particular for regulating the pressure conditions in the heating-cooling module at different operating conditions.
  • a refrigerant in the context of the invention is a medium to understand, which is suitable, heat and cold transients of this refrigerant, preferably to a Coolant of the evaporator heat exchanger unit and / or air from the environment of the vehicle and / or the interior of the vehicle to assist.
  • Such media are preferably provided as refrigerants, which are suitable for use in heating-cooling modules for a motor vehicle, in particular carbon dioxide (C0 2l R 744) or tetrafluoroethane (R 134a).
  • an evaporator means a device of an evaporator-heat exchanger unit, by means of which at least a part of the refrigerant guided in the evaporator is transferred from a liquid to a gaseous state.
  • the evaporator is thereby supplied via an expansion device relaxing refrigerant, wherein the evaporator preferably has a refrigerant-carrying length which is many times higher than each of the outer dimensions of the evaporator, whereby it has a large surface of a medium, in particular coolant, is surrounded.
  • the evaporator or its refrigerant-carrying elements is surrounded by coolant, which is heated to a higher temperature than the refrigerant, wherein the coolant heat is removed, and at the same time with the case of the refrigerant transferred energy at least a portion of the refrigerant is converted into a gaseous state.
  • the coolant is thereby cooled and preferably used to cool the passenger compartment of the motor vehicle by heat is removed from the air in the passenger compartment by the cooled coolant.
  • the cooled coolant can be used to cool electronic components or engine components or a drive unit of engine and electronics or a battery of the motor vehicle by heat is removed from the component to be cooled by the cooled coolant.
  • a coolant is to be understood as meaning a medium which is suitable for delivering heat to a refrigerant to an evaporator and at the same time is suitable for extracting heat from the air of a passenger compartment of a motor vehicle, in particular by means of a heat exchanger suitable for this purpose.
  • the coolant is taken in the context of the invention in the enclosed by the housing of the evaporator heat exchanger unit interior and flows around the evaporator.
  • the coolant is preferably a water-containing medium, more preferably a water-based medium, in particular also water and / or a glycol-containing medium, in particular glycol.
  • a housing in the context of the invention is a device to understand, which accommodates at least the header tank and the evaporator of the evaporator heat exchanger unit and a coolant.
  • the housing encloses an interior, within which the collector expansion tank and the evaporator are arranged. This interior is at least partially, preferably substantially completely filled with coolant.
  • an expansion element is arranged on the housing. For the purposes of the invention, this is to be understood as meaning that an expansion element can be arranged in a recess of this housing or within the interior enclosed by the housing or on the outside of the housing.
  • an expansion element is understood to be a reduction of the cross section in the refrigerant line to be passed through the refrigerant, at which the refrigerant flow can relax, the refrigerant before passing through the expansion element having a higher mass density and higher pressure after passing through the expansion element with lower mass density and lower pressure.
  • the refrigerant is fed to the evaporator in the evaporator heat exchanger unit according to the invention.
  • the evaporator is arranged substantially around the collector expansion tank.
  • the arrangement of the evaporator around the collector surge tank is carried out in particular such that the largest possible surface of the evaporator for flushing through the coolant located in the housing is available, preferably by the length of the refrigerant-carrying elements of the evaporator is designed to be many times higher than each of the outside dimensions of the evaporator.
  • the housing cover has at least one inlet recess through which the refrigerants flow into the interior space enclosed by the housing.
  • ordered, evaporator can be introduced, and at least one Auslassaus principleung, by the refrigerant from the, arranged in the interior, collector expansion tank can be executed.
  • This inlet recess and this outlet recess preferably represent the refrigerant interfaces of the evaporator heat exchanger unit to those components of the heating / cooling module for a motor vehicle, which are not elements of the evaporator heat exchanger unit.
  • the refrigerant passes before entering the inlet recess or after exiting the Auslassaus Principleung a heat exchanger device.
  • the refrigerant also passes through an expansion element, which is arranged on the inlet recess. From the inlet recess, the refrigerant is passed into the evaporator.
  • a heat exchanger means continuously discharged in such a way that it passes to the compressor of the heating-cooling module. It passes through the, outside the housing of the evaporator heat exchanger unit extending, further refrigerant conductors, preferably refrigerant tubes, the heating-cooling module.
  • a heat exchanger device is arranged on the housing exterior, wherein in this heat exchanger device at least two spaced apart channels extend, and wherein in a first channel, a refrigerant flow to the expansion element and in a second channel, a refrigerant flow the collector expansion tank are guided such that heat is exchangeable between the refrigerant streams.
  • the heat exchanger device is preferably formed integrally and preferably arranged on the housing, that the spaced-apart channels are coordinated at the interface to the housing such that the first channel with the inlet recess of the housing cover coincides and the second channel with the Auslassaus fundamentalung the housing cover comes in cover.
  • the housing has at least one inlet opening through which coolant can be introduced into the interior delimited by the housing and at least one outlet opening through which coolant can be diverted out of the interior delimited by the housing, wherein the coolant emits heat, in particular at the evaporator and preferably at the header reservoir.
  • the header tank has at least one connecting channel through which refrigerant can be introduced into the header tank, and at least one outlet channel through which the refrigerant can be diverted from the header tank.
  • refrigerant is supplied to the header tank from the evaporator, and this refrigerant collects in the header tank.
  • refrigerant is removed from the collector surge tank and, preferably after passing through the heat exchanger means, fed to the compressor of the heating-cooling module.
  • the expansion element is arranged in the refrigerant flow between the heat exchanger device and the evaporator, wherein the expansion element is formed in an expansion-element recess of one of the housing parts.
  • the formation of an expansion element recess is provided within the inlet recess of the housing of the evaporator heat exchanger unit.
  • an expansion-element recess is to be understood as meaning a recess which is suitable for accommodating an expansion element in such a way that This expansion element in the refrigerant flow between a heat exchanger device and an evaporator can cause expansion of the refrigerant.
  • the expansion element is arranged in the refrigerant flow between the heat exchanger device and the evaporator, wherein the expansion element is connected to one of the housing parts in particular fixed and at least indirectly.
  • the expansion element is preferably arranged such that the refrigerant flow through the expansion member can be fed directly to the inlet recess of the housing or that the refrigerant flow through the inlet recess of the housing can be fed directly to the expansion device.
  • the header tank has a header tank and a header header tank cover.
  • the header tank is provided especially for collecting refrigerant.
  • the header tank cover, together with the header tank, encloses an internal volume of the header tank.
  • the connecting channel and / or the outlet channel is preferably arranged on the header tank cover or on the header tank.
  • the header tank cover and one of the housing parts are formed substantially in one piece as a cover of the evaporator heat exchanger unit.
  • This cover of the evaporator-heat exchanger unit is in each case not detachable, in particular soldered or welded, or detachably, in particular screwed, connected both to the at least one other housing part and to the collector-compensating tank pot.
  • a lid of the evaporator-heat exchanger unit is understood to be a lid which, together with the at least one other housing part of the housing encloses the interior of the housing, and which, together with the collector-Ausretes electertopf, an inner volume encloses the collector reservoir.
  • This inner volume of the collector Compensation container, which is arranged in the interior of the housing is delimited by this interior of the housing substantially refrigerant-tight and coolant-tight.
  • the connection of the cover of the evaporator heat exchanger unit with the header tank is preferably designed as a solder joint or as a welded joint.
  • the connections of the cover of the evaporator heat exchanger unit with the at least one other housing part are preferably designed as screw, in particular as screw with multiple screws.
  • the cover of the evaporator-heat exchanger unit is designed as a distributor plate, wherein in this distributor plate at least one inlet recess, an outlet recess, a connection channel and an outlet channel are arranged.
  • a distributor plate is to be understood as meaning a cover of the evaporator-heat exchanger unit which is designed such that it directs the refrigerant from the heat exchanger device to the expansion element, from the expansion element to the evaporator, from the evaporator to the header reservoir and from the Can take over collector compensating tank for heat exchanger device.
  • the expansion element is arranged in the inlet recess of the distributor plate.
  • this evaporator is designed substantially as a bent tube for conducting refrigerant.
  • the evaporator is preferably arranged as a tube extending substantially helically around the header tank, more preferably with a plurality of windings arranged in a single-row, double-row or multi-row arrangement.
  • the preferably bent tube is designed such that its entire length exceeds that of the external dimensions of the evaporator by a multiple.
  • this evaporator is designed as a tube made of a good heat-conducting material, in particular metal.
  • the evaporator is formed of an extruded profile with longitudinally oriented ribbing, wherein in addition to a arranged on the outside of the profile ribbing also in the interior of the profile, a ribbing can be provided. Within this preferably formed of aluminum profile refrigerant is passed.
  • the evaporator is formed from a profile with transversely oriented ribbing, wherein refrigerant is conducted within this profile, which is preferably made of aluminum.
  • this ribbing is essentially formed on the housing side, whereby in particular the heat transfer between the evaporator and the coolant located in the interior of the housing is improved.
  • FIG. 1 shows an exemplary embodiment of an evaporator according to the invention
  • FIG. 2 is a sectional view of the exemplary embodiment of an evaporator-heat exchanger unit according to the invention from FIG. 1;
  • FIG. 2 is a sectional view of the exemplary embodiment of an evaporator-heat exchanger unit according to the invention from FIG. 1;
  • FIG. 2 is a sectional view of the exemplary embodiment of an evaporator-heat exchanger unit according to the invention from FIG. 1;
  • FIG. 2 is a sectional view of the exemplary embodiment of an evaporator-heat exchanger unit according to the invention from FIG. 1;
  • FIG. 3 shows a further sectional view of the exemplary embodiment of an evaporator-heat exchanger unit according to the invention from FIG. 1;
  • FIG. 4 shows a section of the exemplary embodiment of an evaporator-heat exchanger unit according to the invention cut in the distributor plate
  • FIG. 1; 5 shows a 3D representation of the exemplary embodiment of an evaporator-heat exchanger unit according to the invention from FIG. 1;
  • FIG. 6 shows a further 3D representation of the exemplary embodiment of an inventive evaporator heat exchanger unit from FIG. 1.
  • Fig. 1 shows an exemplary embodiment of an evaporator heat exchanger unit according to the invention.
  • the housing 10 of the evaporator heat exchanger unit 1, a first housing part 15 and a second housing part 17.
  • the first housing part 15 is formed as a distributor plate 16 and at the same time as a header tank cover 36.
  • the first housing part 15 is formed of a metal material.
  • the distributor plate 16 is formed in each case a bore for the connecting channel 31 and for the Expansionsorganaus principleung 13, wherein the connecting channel 31 by the seal 31 a and the Expansionorganausnaturalung 13 by the seal 13 a pressure-tight and fluid-tight against the environment of the evaporator heat exchanger unit 1 is sealed ,
  • a heat exchanger device 50 is arranged on the side of the distributor plate 16 which is not connected to the second housing part 17.
  • This heat exchanger device 50 is designed as a plate heat exchanger, d. H. it has a package of a plurality of brazed together, each formed with a specific contour sheets. The contours of these soldered sheets are designed such that they allow a line of refrigerant in two separate channels, a first channel 51 and a second channel 52 (both not shown in Fig. 1).
  • a refrigerant dock 60 On the side of the heat exchanger device 50 remote from the housing, a refrigerant dock 60 is arranged, which has interfaces for the refrigerant supply and removal (both not shown in FIG. 1).
  • the second housing part 17 has an inlet opening 12a, which serves as a coolant supply 71, and an outlet opening 12b, which serves as a coolant discharge 72.
  • the second housing part 17 is formed of a plastic material, but may also be formed of other materials such as a plastic composite material or a metal material.
  • the first housing part 15 and the second housing part 17 are in this embodiment by eight housing screws 81 releasably connected to each other, but may be connected to each other in other embodiments in other ways.
  • substantially identically formed elements of the evaporator-heat exchanger unit are denoted by the same reference numerals as the corresponding elements of the evaporator-heat exchanger unit in Fig. 1.
  • FIG. 2 shows a sectional view in the plane BB of the exemplary embodiment of an evaporator heat exchanger unit 1 according to the invention from FIG. 1.
  • refrigerant is introduced into the first duct by means of a refrigerant supply 61 (not shown in FIG. 2) of the refrigerant docks 60 51 of the heat exchanger device 50 introduced.
  • heat is transferred from the refrigerant in the first channel 51 to the refrigerant in the second channel 52 in the heat exchanger device 50, which is designed in this exemplary embodiment as a plate heat exchanger.
  • the refrigerant from the first channel 51 then flows out of the first channel 51 into the expansion device recess 13 (not shown in FIG. 2), which is excluded from the first housing part 15 of the housing 10, in this exemplary embodiment, the first housing part 15 as a distributor plate 16 is formed.
  • the refrigerant flows to the inlet recess 1 1 a, then the refrigerant is supplied to the evaporator 20, where it is guided in the evaporator coil 21.
  • the evaporator coil 21 is used as a spiral executed in a plurality of turns around the header tank 30, wherein the refrigerant is led away in an outer Windungsever of the distributor plate 16 and guided in an inner winding package back to the distributor plate 16.
  • the evaporator coil 21 also has a non-spiral bent part, by means of which the refrigerant is supplied after passing through the spiral part of the evaporator coil 21 to the connecting channel 31 of the header tank 30 compensation. While the refrigerant passes through the evaporator 20, the proportion of the gaseous refrigerant increases, wherein the proportion of liquid present refrigerant decreases.
  • the energy required for this purpose is supplied to the refrigerant in particular via a heat transfer from a coolant which flows around the evaporator coil 21 of the evaporator 20, passing through the interior 18 of the housing 10, ie between the walls of the second housing part 17, the distributor plate 16 and the collector -Aus Feders practicertopfs 35 is added.
  • the coolant supply 71 takes place in this exemplary embodiment via the inlet opening 12a of the second housing part 17. After heat transfer from the coolant to the refrigerant in the evaporator 20, the coolant discharge 72 via the outlet opening 12b of the second housing part 17, wherein preferably a continuous coolant flow through the interior 18 of the housing 10 is provided.
  • FIG. 3 shows a further sectional view of the exemplary embodiment of an evaporator-heat exchanger unit 1 according to the invention from FIG. 1 in the plane AA, the course of which can also be taken from the illustration in FIG. 2.
  • the housing 10 in turn the heat exchanger device 50th supplied in the second channel 52 to receive heat there from the refrigerant in the first channel 51 of the heat exchanger device 50.
  • the refrigerant discharge 62 (not shown in FIG. 3) from the refrigerant dock 60 from the evaporator heat exchanger unit 1 to other components of the heating-cooling module, in this exemplary embodiment of the compressor.
  • the interior 18 of the housing 10 is enclosed in this exemplary embodiment of the distributor plate 16 and the second housing part 17, wherein distribution plate 16 and second housing part 17 by means of a plurality of housing screws 81 are screwed together with each other.
  • the collector surge tank 35 is arranged fluid-tight and pressure-tight by means of a solder joint.
  • FIG. 4 shows a sectional view in the distributor plate 16 of the exemplary embodiment of an inventive evaporator heat exchanger unit 1 from FIG. 1 (sectional plane D-D).
  • the refrigerant is discharged from the expansion element recess 13.
  • an expansion element 40 is arranged, which is designed, for example, as a fixed throttle 41.
  • the expansion element recess 13 is formed as part of the inlet recess 11a.
  • the refrigerant expands, whereby the pressure of the refrigerant in the refrigerant flow after passing through the expansion device 40 decreases. Likewise, the temperature of the refrigerant decreases.
  • the refrigerant in the inlet recess 1 1a is liquid to a large extent and to a small extent gaseous and is supplied via the refrigerant interface 33 to the evaporator 20 in its evaporator coil 21.
  • the refrigerant After the refrigerant has passed through the evaporator 20, it is fed into the header tank 30 through the refrigerant interface 34 via the communication passage 31 through which it passes.
  • the Auslenausnaturalung 11 b is additionally arranged - with the outlet channel 32 -, via the outlet channel 32 and the Auslassaus Principleung 11 b refrigerant from the collector surge tank 30 is guided in the second channel 52 of the heat exchanger device.
  • FIG. 5 and 6 show two different 3D sectional views of the exemplary embodiment of an evaporator-heat exchanger unit 1 according to the invention from FIG. 1. This is intended to further clarify the arrangement of the individual components relative to one another. In particular, the arrangement of the refrigerant supply 61 and the refrigerant discharge 62 is shown on the refrigerant dock 60, which had not emerged from the previous figures.
  • the route of the refrigerant is illustrated by the heat exchanger device 50, by the expansion element 40, by the evaporator 20 and by the header surge tank 30 until the refrigerant discharge 62.
  • the first channel 51 of the heat exchanger device 50 is arranged beginning at the refrigerant supply 61. It is formed in its further course by a package of a plurality of mutually soldered, each punched in a particular contour sheets, which is formed by this punched contour a separated from the second channel 52 refrigerant conductive cavity in which the refrigerant of the Expansion organausnehung 13 is supplied , In the analog second channel 52, the refrigerant is transferred after passing through the evaporator 20 from the header tank 30 to the refrigerant discharge. Between the refrigerant flows in the first channel 51 and in the second channel 52, a good heat transfer to the refrigerant in the second channel 52 occurs due to this design. LIST OF REFERENCE NUMBERS

Landscapes

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

Abstract

L'invention concerne une unité évaporateur-échangeur de chaleur pour un module chauffant-refroidissant d'un véhicule automobile, présentant au moins un collecteur-réservoir de compensation destiné à recueillir un agent de refroidissement, et un évaporateur qui assure la conversion d'au moins une fraction de l'agent de refroidissement sous forme gazeuse, caractérisé par un carter qui délimite un espace intérieur, cet espace intérieur du collecteur-réservoir de compensation abritant l'évaporateur et un agent de refroidissement, et un organe d'expansion qui est disposé sur le carter et assure l'alimentation de l'évaporateur en agent de refroidissement.
EP12759003.2A 2011-08-31 2012-08-24 Unité évaporateur-échangeur de chaleur Active EP2751502B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011111964A DE102011111964A1 (de) 2011-08-31 2011-08-31 Verdampfer-Wärmetauscher-Einheit
PCT/EP2012/003590 WO2013029769A1 (fr) 2011-08-31 2012-08-24 Unité évaporateur-échangeur de chaleur

Publications (3)

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EP2751502A1 true EP2751502A1 (fr) 2014-07-09
EP2751502B1 EP2751502B1 (fr) 2020-03-11
EP2751502B8 EP2751502B8 (fr) 2020-04-15

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EP12759003.2A Active EP2751502B8 (fr) 2011-08-31 2012-08-24 Unité évaporateur-échangeur de chaleur

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US (1) US10024587B2 (fr)
EP (1) EP2751502B8 (fr)
JP (1) JP6072037B2 (fr)
KR (1) KR20140105429A (fr)
CN (1) CN103765130B (fr)
DE (2) DE102011111964A1 (fr)
WO (1) WO2013029769A1 (fr)

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ES2758507T3 (es) * 2012-05-30 2020-05-05 Meiji Seika Pharma Co Ltd Nuevo inhibidor de B-lactamasa y método para producir el mismo
US9291097B2 (en) * 2013-06-04 2016-03-22 Caterpillar Inc. Cooling module for electronic engine components
KR102199382B1 (ko) * 2013-10-15 2021-01-06 엘지전자 주식회사 공기조화기 및 그 제어방법
EP4160116A4 (fr) * 2020-05-29 2024-06-19 Shaoxing Sanhua New Energy Automotive Components Co Ltd Échangeur de chaleur et séparateur gaz-liquide
CN113739457A (zh) * 2020-05-29 2021-12-03 绍兴三花新能源汽车部件有限公司 一种热交换器以及气液分离器
EP4368932A1 (fr) * 2022-11-14 2024-05-15 Danfoss A/S Boîtier de réservoir pour récepteur de réfrigérant à fonctionnalité d'échangeur de chaleur intégrée

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Also Published As

Publication number Publication date
US20140174120A1 (en) 2014-06-26
WO2013029769A1 (fr) 2013-03-07
EP2751502B8 (fr) 2020-04-15
DE102011111964A1 (de) 2013-02-28
DE112012003568A5 (de) 2014-06-12
US10024587B2 (en) 2018-07-17
KR20140105429A (ko) 2014-09-01
EP2751502B1 (fr) 2020-03-11
JP2014525559A (ja) 2014-09-29
CN103765130A (zh) 2014-04-30
CN103765130B (zh) 2017-08-08
JP6072037B2 (ja) 2017-02-01

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