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WO2018149703A1 - Dispositif de climatisation pour un véhicule automobile - Google Patents

Dispositif de climatisation pour un véhicule automobile Download PDF

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Publication number
WO2018149703A1
WO2018149703A1 PCT/EP2018/052987 EP2018052987W WO2018149703A1 WO 2018149703 A1 WO2018149703 A1 WO 2018149703A1 EP 2018052987 W EP2018052987 W EP 2018052987W WO 2018149703 A1 WO2018149703 A1 WO 2018149703A1
Authority
WO
WIPO (PCT)
Prior art keywords
coolant
air
refrigerant
exchanger
heat exchanger
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.)
Ceased
Application number
PCT/EP2018/052987
Other languages
German (de)
English (en)
Inventor
Özgür Aktas
Daniel Hildebrandt
Thomas Hackl
Andreas Scholtz
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Priority to CN201880012179.9A priority Critical patent/CN110267834B/zh
Publication of WO2018149703A1 publication Critical patent/WO2018149703A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/323—Cooling devices using compression characterised by comprising auxiliary or multiple systems, e.g. plurality of evaporators, or by involving auxiliary cooling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3228—Cooling devices using compression characterised by refrigerant circuit configurations
    • B60H1/32284—Cooling devices using compression characterised by refrigerant circuit configurations comprising two or more secondary circuits, e.g. at evaporator and condenser side
    • 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
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
    • 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • 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
    • F25B6/00—Compression machines, plants or systems, with several condenser circuits
    • F25B6/04—Compression machines, plants or systems, with several condenser circuits arranged in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H2001/00307—Component temperature regulation using a liquid flow
    • 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
    • F25B2339/047—Water-cooled 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
    • 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
    • F25B2400/06—Several compression cycles arranged in parallel
    • F25B2400/061—Several compression cycles arranged in parallel the capacity of the first system being different from the second

Definitions

  • the invention relates to an air conditioning device for a motor vehicle, comprising
  • a first compressor for compressing the first refrigerant
  • a first heat exchanger arranged downstream of the compressor in the first refrigerant flow direction and designed as an air / refrigerant heat exchanger, the first heating exchanger, which can be guided by a first interior region which can be led into a first interior region of the motor vehicle
  • a chiller configured as a coolant / refrigerant heat exchanger, which is arranged upstream of a branch of the refrigerant partial circuit which opens on the input side of the first compressor and is preceded by a further expansion element, and
  • Such an air conditioning device is known from DE 10 201 1 109 055 A1.
  • heat exchanger With regard to the terminology used, it should be noted that the terms “heat exchanger”, “outdoor exchanger”, “internal exchanger” and “chiller” as well as the term “coupling capacitor” used below deliberately represent terms chosen foreign to the term to the reference to the respective elements
  • their technical characteristics, insofar as relevant for the present invention, in particular their design as one special form of heat exchanger and / or their positioning in the overall system of the air conditioning device are to be found only in the corresponding specification in the text.
  • first refrigerant flow direction as well as the term “second refrigerant flow direction” used below, to be understood as an abbreviation for the flow direction of the first and the second refrigerant.
  • the refrigerant circuit of the known air conditioning device i.
  • the circuit referred to here as the first refrigerant circuit can be operated either in the cooling and in the heat pump mode.
  • compressed refrigerant is precondensed in the heat exchanger acting as a condenser and undergoes further condensation in the first external exchanger, which acts as a main condenser, wherein the refrigerant heated by the compression releases heat to the first outside airflow passing through the first external exchanger.
  • the condensed refrigerant is then expanded by means of an expansion device and evaporated in the first internal exchanger, which operates as an evaporator in this operating mode.
  • the first inner air flow flows through the first inner exchanger and gives off heat to the refrigerant evaporating there.
  • the thus cooled, first inner air flow is then, possibly after (partial) flow through the heat exchanger for the purpose of counter heating, directed into a first region of the motor vehicle interior to cool this according to the user or an automatic climate control.
  • Heat pump mode is the compressed and precondensed in the heat exchanger
  • Operating mode acts as another capacitor.
  • the first inside air flow flowing through it is thereby heated and, if necessary, after further heating by (partial) flow through the first heat exchanger, directed into the first region of the motor vehicle interior in order to heat it according to the specifications of the user or automatic air conditioning.
  • the refrigerant is expanded by means of the expansion device and in the first external exchanger, which acts as an evaporator in this operating mode, evaporates, absorbing heat from the first outside air stream.
  • the refrigerant circuit of the known air conditioning device comprises a chiller here called
  • Coolant / refrigerant heat exchanger which is arranged in a branch of the outer and the inner exchanger comprising the partial circle and, if necessary, can be flowed through with refrigerant.
  • the chiller is connected downstream via an expansion element to the respective exchanger acting as a condenser and acts as an evaporator. When it evaporates in the chiller, the refrigerant absorbs heat from the coolant circuit, which is thermally coupled via the chiller
  • the heat absorbed can be delivered in the cooling mode via the first outer exchanger to the environment or in the heat pump mode via the first inner exchanger to the interior, in the latter case, an increase in efficiency of
  • an identical, second refrigerant circuit could be provided for the second interior area.
  • the further outer exchanger to be positioned in the front carriage, it will hardly be possible to provide sufficient installation space while retaining the (proven) capacity dimensioning.
  • the coolant circuit comprises a designed as an air / coolant heat exchanger, can be flowed through by a second outside air flow, second outer exchanger and
  • a second refrigerant circuit which is operable independently of the first refrigerant circuit
  • Coupling capacitor, - A downstream of the coupling capacitor in the second refrigerant flow direction further expansion element
  • Inner exchanger which can be flowed through by a second inner air flow which can be conducted into a second interior region of the motor vehicle
  • the coupling capacitor is part of the coolant circuit coolant side.
  • the invention initially starts with a simple extension of the coolant circuit around its own external exchanger, as is generally known to the person skilled in the art, in particular by non-thermally coupled refrigerant and coolant circuits.
  • Compressor two heat exchangers and an expansion device, can be reduced.
  • the heat exchangers one always works as an evaporator and the other as a condenser.
  • the former is designed as an air / refrigerant heat exchanger and serves as the second
  • the other heat exchanger is designed as a coolant / refrigerant heat exchanger and integrated into the coolant circuit on the coolant side.
  • Coolant circuit is of minor importance at this point. preferred
  • the coolant circuit at least the chiller, referred to here as a coupling capacitor and designed as a coolant / refrigerant heat exchanger
  • Heat exchanger of the second refrigerant circuit and the second outer exchanger is thermally coupled to electrical components of the motor vehicle.
  • the coolant circuit can be used for cooling an electric drive unit and / or for controlling the temperature of a traction battery and / or power electronics.
  • a third external exchanger is not required as part of the second refrigerant circuit. Therefore, the available space in the front of the vehicle space can be used in the usual way by the first and second outdoor exchanger.
  • Air conditioning device results, can be explained with particular clarity in the extreme case of particularly hot outside temperatures when the second refrigerant circuit operates at full load. The entire accumulating in the second refrigerant circuit heat is over the
  • Certain electronic components which are tempered by the coolant circuit, tolerate, for example, temperatures above 40 ° C only bad.
  • the chiller forms another interface of the coolant circuit, through which heat can be delivered to the first refrigerant circuit.
  • the heat of the second refrigerant circuit can thus be distributed to the environment to the first and the second outer exchanger, so that takes place within the coolant circuit no excessive heating.
  • a preferred embodiment of the invention is characterized by a further coolant circuit which comprises a second heat exchanger designed as an air / coolant heat exchanger and permeable by the second inner air flow.
  • the second inner air flow can be conducted through two heat exchangers, which are required antagonistically operable.
  • the heat exchanger is not part of the refrigerant circuit, but part of a coolant circuit. It is particularly preferred that this coolant circuit is an independently operable, first coolant circuit of the coolant circuit.
  • This first coolant subcircuit can thus be fluid-conductively connected or connectable to the remaining coolant circuit, which simplifies in particular the maintenance, filling and emptying of the overall coolant system. Also
  • Coolant circuit can be replaced.
  • adjustable air conduction means are arranged on the air side between the second inner exchanger and the second heat exchanger, by means of which the second inner air flow can be conducted in adjustable proportions through the second inner exchanger and / or the second heat exchanger are. This allows the proportions of the second internal air flow, which are passed through one, the other or both air-heat exchanger,
  • the second outer exchanger two air side connected in series, each as a
  • Air / coolant heat exchanger formed exchanger elements comprises.
  • the two individual exchanger elements can be assigned to different partial circuits of the overall coolant system.
  • a first of the exchanger elements is part of an independently operable, second-half coolant circuit comprising the coupling exchanger on the coolant side.
  • This second coolant loop would then be part of the above explained as its primary task
  • Basic function of the present invention meet, namely the heat removal from the second refrigerant circuit via the second outer exchanger.
  • the second of the exchanger elements of the second outer exchanger is preferably part of an independently operable, a thermal coupling to at least one of the electrical components of the motor vehicle comprehensive, the third coolant circuit part.
  • the third coolant subcircuit thus has the primary task of tempering the electrical components. The formation of a separate coolant pitch circle for this allows a demand-based heat exchange with other coolant pitch circles;
  • the chiller is preferably part of an independently operable coolant, a thermal coupling to at least one of the electrical components of the motor vehicle comprehensive, fourth coolant subcircuit. These can be the same electrical ones
  • Components that are also connected to the third coolant circuit be other electrical components or an overlapping group of electrical components.
  • the pitch circle solution serves to widen the range of options in the scheme so that, if necessary, either heat exchanged between the pitch circles or the pitch circles can be operated independently.
  • At least one coolant pitch circle comprises an electrical coolant heater.
  • the main focus of coolant systems is directed to the cooling of certain components.
  • a heating of the components is required.
  • the start of electric machines at very cold outside temperatures, before a preheating example of the traction battery is advantageous. Since in some situations no heat is still available from one of the refrigerant circuits, an electric coolant heating is provided in this development of the invention.
  • FIG. 1 shows a schematic representation of a particularly preferred embodiment of an air conditioning device according to the invention for a motor vehicle
  • FIG. 2 shows the air conditioning device of Figure 1 with emphasis on a first
  • FIG. 3 shows the air conditioning device of Figure 1 with emphasis on a second
  • Figure 5 shows the air conditioning device of Figure 1 with emphasis on a fourth
  • FIG. 1 shows, in a highly schematic representation, a particularly preferred one
  • An essential part of the air-conditioning device 10 is a first refrigerant circuit 100, which has a compressor 102, a first heat exchanger 104, a first inner exchanger 106 and a first outer exchanger 108 and a plurality of expansion elements 110. Furthermore, the first refrigerant circuit 100 comprises a collector 1 12 and a plurality of control valves 1 14. In addition, the refrigerant circuit 100 comprises
  • the first heat exchanger 104, the first inner exchanger 106 and the first outer exchanger 108 are each formed as an air / refrigerant heat exchanger, wherein the first
  • Outdoor exchanger 108 can be flowed through by a first outside air stream 1 16.
  • the first heat exchanger 104 and the first inner exchanger 106 are each of a first
  • Indoor airflow 1 18 can be flowed through. This can be passed by means not shown Lucasleitsch in a likewise not shown first interior region of the motor vehicle. Between the first heat exchanger 104 and the first inner exchanger 106 switchable air guide 120 are arranged, with which portions of the first inner air stream 1 18, which are passed through one and / or the other of the two heat exchangers 104, 106, are adjustable.
  • Chiller 401 is designed as a coolant / refrigerant heat exchanger. On his
  • Coolant side part will be discussed in more detail below.
  • Cooling operation is compressed in the compressor 102 compressed refrigerant in the first heat exchanger 104 and further condensed in the first outer exchanger 108. It is then passed through the operated as an evaporator first inner exchanger 106, wherein it previously undergoes a suitable relaxation by one of the intermediate expansion valves 1 10. Afterwards, the refrigerant is returned via the collector 1 12 to the suction side of the
  • Compressor 102 is supplied. However, it is also possible, in the cooling operation, the refrigerant behind the first outer exchanger 108 at least partially on the also as
  • the refrigerant flows behind the first heat exchanger 104 into the first internal exchanger 106, which in this case acts as a further condenser. Subsequently, the refrigerant may be wholly or partly via the first outer exchanger 108 and / or the Chiller 401, which are both operated in this mode of operation as an evaporator, to the collector 1 12 and the suction side of the compressor 102 are returned. The required expansion of the refrigerant is via the interposed
  • expansion valves 1 Here realized as the expansion valves 1 10, has proven to be particularly efficient and also allows intermediate states between the above-mentioned modes of operation.
  • the air-conditioning device 10 has a second refrigerant circuit 200.
  • this is essentially reduced to its basic components, namely a second compressor 202, a second internal exchanger 206, an expansion element 210 and the refrigerant-side part of a
  • Air / refrigerant heat exchanger is formed, the coupling exchanger 402, as well as the chiller 401 is designed as a coolant / refrigerant heat exchanger.
  • Internal transformer 206 is by a second inner air flow 218 by ström bar, which is conductive via not shown air guide into a likewise not shown second interior region of the motor vehicle.
  • the second refrigerant circuit 200 is operable substantially only in the cooling mode, wherein the compressed refrigerant in the compressor 202 condenses in the coupler 402, in
  • Relaxation member 210 is relaxed and evaporated in the second internal exchanger 206. It is then returned via a second collector 212 to the suction side of the
  • Compressor 202 passed.
  • the coolant sides of the coolant / refrigerant heat exchangers 401, 402 are part of a complex coolant circuit 300, which also includes a second outer exchanger 308 designed as an air / coolant heat exchanger. This is traversed by a second outside air stream 316 and consists in the embodiment shown of two air side connected in series exchanger elements.
  • Other components of the coolant circuit 300 are various switching valves 314, various coolant pumps 322, a plurality of check valves 324 and a surge tank 326.
  • two electric coolant heaters 328 are integrated in the embodiment shown.
  • Coolant circuit 300 is in thermal contact with electrical components of the
  • Motor vehicle in particular a traction battery 330, power electronics 332, a charger 334 and an electric machine 336th
  • the coolant circuit includes a first coolant subcircuit 300 '. This is in the illustration of Figure 2, which otherwise the same
  • Air conditioning device 10 as Figure 1 shows graphically highlighted.
  • the first coolant subcircuit 300 essentially comprises only one coolant pump 322, an optional electrical coolant heater 328 and a second heat exchanger 304 designed as an air / coolant heat exchanger.
  • the second heat exchanger 304 which is connected downstream of the second internal heat exchanger 206 via air conduction means 220 , is permeable by the second inner air flow 218 and allows by antagonistic operation with the second inner exchanger 206 a very precise temperature control of the second interior space.
  • Inside air flow 218 may be provided, which is formed for example as an air PTC heat exchanger.
  • the task of the first coolant subcircuit 300 'could alternatively be formed by a completely connection-free to the other coolant circuit 300, second
  • Coolant circuit can be met. In the embodiment shown, however, a fluidic coupling is provided which, while the coolant pump 322 of the first coolant subcircuit 300 'is in operation, does not undergo substantial fluid exchange with the rest
  • Coolant circuit 300 performs, but a common filling and emptying both
  • Coolant circuit 300 on the other hand, or between the refrigerant circuits 100, 200th
  • FIG. 3 again shows the air-conditioning device 10 of FIG. 1, wherein a second
  • Coolant subcircuit 300 of the coolant circuit 300 by line-bold representation
  • This subcircuit which can be controlled essentially independently, primarily serves to dissipate heat absorbed in the heat exchanger 402 via one of the heat exchangers Elements of the second outer exchanger 308. It can be seen that this pitch circle 300 "no direct thermal coupling with any temperature-sensitive, electrical
  • Components has.
  • FIG. 4 again shows the air-conditioning device 10 of FIG. 1 with a third coolant subcircuit 303 '", which is also shown in FIG.
  • Power electronics 332, charger 334 and electrical machine 336 via the second element of the second external exchanger 308 is used.
  • FIG. 5 again shows the air-conditioning device 10 of FIG. 1 with fourth coolant subcircuit 300 "" lifted out by line-bold representation, which is also shown in FIG. 5
  • Traction battery 330 by means of the chiller 401 is used.
  • the chiller can be used both as an evaporator, i. cooling, as well as a capacitor, i. warming, be used.
  • the coolant heater 328 contained in the fourth partial circuit 30 "" can be used as an additional heat source.
  • Control options provided coolant circuit 300 in addition to the independent operation of the pitch circles and their almost any combination is possible to absorb heat with particular efficiency from where it accumulates and where it is needed or discharged can. Such a thing
  • Efficiency management in heat distribution is particularly important in exclusively or at least substantially electrically powered vehicles with little or no heat accumulation of an internal combustion engine in terms of range optimization of particular importance.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

L'invention concerne un dispositif de climatisation pour un véhicule automobile, comportant un premier circuit de fluide frigorigène (100) comportant un premier compresseur (102), un premier échangeur de chaleur (104) réalisé en tant qu'échangeur de chaleur air/fluide frigorigène, un premier échangeur extérieur (108), un premier échangeur intérieur (106) ainsi qu'un élément d'expansion (110) et un refroidisseur (401) réalisé sous forme d'échangeur de chaleur liquide de refroidissement/fluide frigorigène et disposé dans une dérivation du circuit partiel de fluide frigorigène débouchant du côté de l'entrée du premier compresseur (102), refroidisseur en amont duquel est placé un autre élément d'expansion (110), et un circuit de liquide de refroidissement (300) doté de composants électroniques (330, 332, 334, 336), lequel comporte un deuxième échangeur extérieur (308). Un deuxième circuit de fluide frigorigène (200) qui peut fonctionner indépendamment du premier circuit de fluide frigorigène (100) comporte un deuxième compresseur (202), un condenseur de couplage (402) réalisé sous forme d'échangeur de chaleur liquide de refroidissement/fluide frigorigène, un autre élément d'expansion (210) et un deuxième échangeur intérieur (206) réalisé sous forme d'échangeur de chaleur air/fluide frigorigène.
PCT/EP2018/052987 2017-02-15 2018-02-07 Dispositif de climatisation pour un véhicule automobile Ceased WO2018149703A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201880012179.9A CN110267834B (zh) 2017-02-15 2018-02-07 用于机动车的空气调节设备

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017202472.0 2017-02-15
DE102017202472.0A DE102017202472B4 (de) 2017-02-15 2017-02-15 Klimatisierungseinrichtung für ein Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2018149703A1 true WO2018149703A1 (fr) 2018-08-23

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PCT/EP2018/052987 Ceased WO2018149703A1 (fr) 2017-02-15 2018-02-07 Dispositif de climatisation pour un véhicule automobile

Country Status (3)

Country Link
CN (1) CN110267834B (fr)
DE (1) DE102017202472B4 (fr)
WO (1) WO2018149703A1 (fr)

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US20220097487A1 (en) * 2019-01-09 2022-03-31 Hanon Systems Thermal management system
US20220181722A1 (en) * 2019-03-08 2022-06-09 Hanon Systems Vehicular heat management system

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DE102018123551A1 (de) 2018-09-25 2020-03-26 Man Truck & Bus Se Modulare Klimatisierungsvorrichtung für ein Kraftfahrzeug und Kraftfahrzeug mit einer entsprechenden modularen Klimatisierungsvorrichtung
DE102018217396A1 (de) * 2018-10-11 2020-04-16 Volkswagen Aktiengesellschaft Klimatisierungsvorrichtung für ein Kraftfahrzeug und Verfahren zu deren Betrieb
WO2020096786A2 (fr) * 2018-11-07 2020-05-14 Cummins Inc. Refroidissement de système électronique de puissance à récupération de chaleur perdue
DE102020114851A1 (de) * 2020-06-04 2021-12-09 Bayerische Motoren Werke Aktiengesellschaft Klimasystem für ein elektrisch antreibbares Kraftfahrzeug, Kraftfahrzeug sowie Verfahren zum Betreiben eines Klimasystems
CN213920593U (zh) * 2020-09-21 2021-08-10 比亚迪股份有限公司 车辆热管理系统及电动汽车
DE102023112262B3 (de) 2023-05-10 2024-08-22 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Thermokreislauf für ein batterie-elektrisches Kraftfahrzeug
DE102023121776A1 (de) * 2023-08-15 2025-02-20 Kässbohrer Geländefahrzeug Aktiengesellschaft Ziviles Kettenfahrzeug

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