EP3494002A1 - Installation de climatisation pour véhicule et véhicule doté d'une telle installation de climatisation - Google Patents

Installation de climatisation pour véhicule et véhicule doté d'une telle installation de climatisation

Info

Publication number
EP3494002A1
EP3494002A1 EP17739874.0A EP17739874A EP3494002A1 EP 3494002 A1 EP3494002 A1 EP 3494002A1 EP 17739874 A EP17739874 A EP 17739874A EP 3494002 A1 EP3494002 A1 EP 3494002A1
Authority
EP
European Patent Office
Prior art keywords
air conditioning
vehicle
circuit
conditioning device
heat
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.)
Withdrawn
Application number
EP17739874.0A
Other languages
German (de)
English (en)
Inventor
Johannes Klampfl
Arthur SCHMITT
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.)
Mercedes Benz Group AG
Original Assignee
Daimler 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 Daimler AG filed Critical Daimler AG
Publication of EP3494002A1 publication Critical patent/EP3494002A1/fr
Withdrawn legal-status Critical Current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
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • B60H1/00899—Controlling the flow of liquid in a heat pump system
    • 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
    • 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
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00371—Air-conditioning arrangements specially adapted for particular vehicles for vehicles carrying large numbers of passengers, e.g. buses
    • 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
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • B60H2001/00928—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices comprising a secondary circuit
    • 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
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • B60H2001/00942—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices comprising a plurality of heat exchangers, e.g. for multi zone heating or cooling
    • 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
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide

Definitions

  • the invention relates to an air conditioning device for a vehicle and a vehicle having such an air conditioning device.
  • Air conditioning device for a vehicle which has a refrigerant circuit along which a refrigerant is conveyed.
  • the refrigerant circuit is directly fluidically and thermally connected on the one hand with an outdoor heat exchanger and the other with an interior heat exchanger of the vehicle, wherein by means of a valve means a flow of the refrigerant in the refrigerant circuit can be changed, so that on the one hand a heating operation and on the other hand, a cooling operation can be displayed for the vehicle interior ,
  • the refrigerant circuit acts in the heating mode as a heat pump and in the cooling mode as air conditioning. Since only the refrigerant circuit is used directly for the air conditioning of the vehicle interior, it requires a complex, comparatively large refrigerant circuit, this - in particular due to the extensive piping - numerous
  • Refrigerant circuits available components are not suitable for use in vehicles, so here special and / or custom-made.
  • the large refrigerant circuit requires a large refrigerant charge, for example, several kilograms of carbon dioxide in a C0 2 -Kälteschnikank. All functions require several solenoid valves and several expansion valves. It requires a valve operating range of up to about 125 bar and 160 ° C. Since that Refrigerant has only a small heat capacity, on / off operations of the air conditioning device for vehicle occupants are directly felt.
  • the invention has for its object to provide an air conditioning device for a vehicle and a vehicle with such an air conditioning device, said disadvantages do not occur.
  • the object is achieved in particular by providing an air conditioning device for a vehicle, in particular for a bus, which provides a
  • Refrigerant cycle includes a compressor, a gas cooler, an expansion device and an evaporator.
  • the air conditioning device also has a
  • Heat transfer medium circuit along which a liquid heat transport medium is conveyed. It is provided that the heat transfer medium circuit with the gas cooler and / or with the evaporator of the refrigerant circuit is fluidly and thermally connected such that thermal power of the refrigerant circuit via the heat transfer medium circuit to at least one heat transfer device can be conveyed.
  • the air conditioning device has advantages over the prior art. In particular, due to the fluidic and thermal connection of the heat transport medium circuit with the gas cooler and / or the evaporator of the refrigerant circuit, thermal power from the refrigerant circuit can be efficiently conveyed to the heat transfer device via the heat transport medium circuit.
  • the air conditioning device is used in a vehicle, therefore, no costly installation of refrigerant pipes, but the refrigerant circuit can be constructed relatively small, the transport of thermal power from the refrigerant circuit to heat transfer devices of the vehicle can be done completely on the heat transport medium cycle. This, in turn, can very efficiently remove heat from the gas cooler and / or supply heat to the evaporator.
  • the refrigerant circuit itself can be made very simple and, above all, small. As a result, in particular, it can only have a small number of connection points with a correspondingly reduced leakage risk.
  • the area that must be operated at high system pressure is then also small, with a large part of the air conditioning device can include the heat transfer medium circuit and thus based on the liquid heat transport medium, which is handled with significantly lower risk than the refrigerant.
  • Vehicle-compatible standard components are also available for such liquid heat transfer media. Due to the smaller design of the refrigerant circuit this also requires a significantly reduced amount of refrigerant.
  • An interconnection, and in particular a switching function from a heating operation to a cooling operation, can easily be done on the side of
  • Heat transport medium circulation take place, this being connected to the removal of heat with the gas cooler and / or for dissipating heat to the evaporator. Therefore, there is no need for elaborate valve means in the refrigerant circuit to change the flow of the refrigerant. Rather, this can always flow in a same direction through the refrigerant circuit, regardless of whether the
  • Air conditioning device is operated in a heating operation or in a cooling operation. Therefore, solenoid valves can be saved in any case for the refrigerant circuit, and it is also only a single expansion valve, namely the expansion device, necessary.
  • inexpensive valve devices can be used, since they are only up to about 2 bar and 90 ° C charged.
  • the liquid heat transport medium may have a high heat capacity, in particular a higher heat capacity than the refrigerant, whereby a buffering effect for heat in the heat transport medium circuit is effective, so that switching on and / or off the air conditioning device and in particular the
  • Refrigerant circuit for vehicle occupants are not directly felt.
  • the entire functionality of an interconnection of the air conditioning device can take place on the side of the heat transport medium circuit, so that simpler and more favorable components can be used here, which operate at a lower pressure and temperature level. This results in a total cost reduction, an increase in reliability, and a better control quality in connection with the air conditioning device proposed here compared to the prior art.
  • cooling circuit modular, in particular with different refrigerants.
  • the heat transport medium circuit may be standardized, regardless of the design of the
  • thermal power includes both heating power and cooling power, so that thermal power can be supplied to the at least one heat transfer device does not initially say anything about the direction of a heat flow, but rather only that heat between the refrigerant circuit and the
  • Heat transfer device is promoted, either to the Heat transfer device to supply heat or heat from the
  • gas cooler and "evaporator” are used herein in a general sense, wherein the gas cooler is in particular a heat sink and the evaporator is a heat source of the refrigerant circuit.
  • condenser can also be used synonymously with the term “gas cooler”.
  • the refrigerant preferably passes through during operation
  • Phase transition wherein it is present in particular after cooling in the gas cooler or condenser in the liquid or supercritical phase at a higher pressure, wherein it is expanded in the expansion device and at the latest in the evaporator with heat input into a gaseous phase at a lower pressure.
  • the then gaseous refrigerant is recompressed, whereby it reaches a higher temperature level, wherein it is then cooled again in the gas cooler or condenser and preferably liquefied.
  • the operation of such a refrigerant circuit is basically known, so that will not be discussed in detail.
  • a liquid heat transport medium is in particular a heat transport medium, which is liquid during operation of the heat transport medium cycle, in particular in the entire heat transport medium cycle.
  • the heat transfer medium does not undergo phase transformation along the heat transfer media cycle.
  • the liquid heat transport medium under normal conditions,
  • the heat transport medium is particularly preferably water. It is possible that as
  • Heat transfer medium serving water additives such as an antifreeze or the like, are added.
  • Heat transport medium circuit is on the one hand particularly simple and inexpensive to build up, on the other hand, water is preferred as a heat transport medium for safety reasons, as this is safe and environmentally friendly. In addition, water has a very high heat capacity, so that makes the previously described buffer effect in a particularly favorable manner during switching on and / or off.
  • the heat transport medium circuit is fluidically and thermally connected to the gas cooler and / or the evaporator means in particular that the
  • Heat transport medium cycle passes through the gas cooler and / or the evaporator or flows through, wherein the heat transport medium is used in particular in the gas cooler and / or in the evaporator as a heat exchange medium to
  • the refrigerant on the one hand and the heat transport medium on the other hand are in thermal contact with each other.
  • a heat transfer device is understood to mean, in particular, a device which is set up to release heat in particular to an environment or to take it up from an environment.
  • the refrigerant circuit is free of heat exchange devices with the exception of the gas cooler and the
  • the refrigerant circuit has no other
  • Heat exchangers on, except the gas cooler and the evaporator This means in particular that the refrigerant circuit has only the evaporator and the gas cooler as heat exchange devices.
  • the refrigerant circuit therefore has, in particular, no heat transfer device for exchanging thermal power with an environment, in particular the interior of a vehicle.
  • the refrigerant circuit is preferably exclusively thermally connected to the heat transfer medium circuit. This means, in particular, that the refrigerant circuit is thermally encapsulated, whereby it only via the
  • the refrigerant circuit may be made particularly small, in particular because it is not used directly for the air conditioning of any facilities, in particular a vehicle interior. Rather, this functionality is exclusively mediated via the planteransportmediennikiauf.
  • a first, with the gas cooler fluidly and thermally connected partial circuit has. Furthermore, the heat transport medium circuit has a second subcircuit fluidically and thermally connected to the evaporator on.
  • the first partial circuit and the second partial circuit are different from each other and in particular separable from each other, most preferably separated from each other. It is possible that no exchange of heat transfer medium between the first partial circuit and the second partial circuit is possible. But it is also possible that the two
  • Subcircuits are at least partially fluidly connected to each other. Furthermore, it is possible for the heat transport medium circuit to have a valve device, via which the subcircuits can be connected to one another or separated from one another.
  • Heat transport medium circuit has a valve device, via which the
  • Heat transfer medium optionally a heat exchanger and / or at least one air conditioning device can be fed.
  • the heat exchanger is preferably
  • Heat source especially in the heat pump or heating operation, or as a heat sink, in particular in the cooling mode, to act of the heat transfer medium cycle.
  • the heat exchanger is designed as an outdoor heat exchanger of the vehicle, which can be arranged for example on a vehicle roof, in particular a bus.
  • the exterior heat exchanger of the vehicle is exclusively of the
  • the at least one air conditioning device is preferably as a heating and / or
  • Cooling device formed, in particular for an interior of the vehicle, and thus preferably serves the interior air conditioning of the vehicle.
  • the heat exchanger on the one hand and the at least one air-conditioning device on the other hand represent heat transfer devices of the air-conditioning device.
  • the valve device is set up in order to bring the first partial circuit with the at least one air conditioning device and the second partial circuit with the heat exchanger in fluid communication in a first operating state.
  • This first operating state corresponds to a heating operation of the air conditioning device, wherein the first partial circuit functions as a heating circuit.
  • the heat transport medium removes heat from the refrigerant circuit in the first partial circuit to the gas cooler, wherein these the at least one air conditioning device, in particular for the interior heating of the vehicle, is supplied.
  • the heat transport medium can absorb heat in the second partial circuit when flowing through the heat exchanger and feed it to the evaporator of the refrigerant circuit.
  • the refrigerant circuit acts as a heat pump in heating mode.
  • valve device is set up to bring the second partial circuit with the at least one air conditioning device and the first partial circuit with the heat exchanger in fluid communication in a second operating state.
  • This second operating state corresponds to a cooling operation.
  • Partial circulation to the evaporator of the refrigerant circuit Partial circulation to the evaporator of the refrigerant circuit.
  • the heat transport medium in the first partial circuit absorbs heat from the refrigerant circuit as it flows through the gas cooler and transports it to the heat exchanger, where it emits the heat, in particular to the outside air of the vehicle.
  • the air conditioning device functions as a KUmaaniage.
  • the valve device is preferably set up to different
  • Air conditioning devices of a plurality of air conditioning devices with the first or the second partial circuit to connect. That way you can
  • the object is also achieved by providing a vehicle having an air conditioning device according to one of the previously described embodiments.
  • the vehicle further comprises at least one heat transfer device, wherein the at least one heat transfer device mediated via the
  • Heat transfer medium circuit is thermally connected to the refrigerant circuit.
  • the at least one heat transfer device of the vehicle is thermally connected exclusively via the heat transport medium circuit with the refrigerant circuit.
  • the refrigerant circuit is thus not in particular for direct air conditioning of the
  • the at least one heat transfer device is selected from a group comprising an exterior heat exchanger of the vehicle, a vehicle interior air conditioning device, a driver's seat air conditioning device, a vehicle floor air conditioning device, and a vehicle roof air conditioning device.
  • the vehicle has at least one of each of the heat transfer devices mentioned here. It is also possible that the vehicle has a
  • a plurality of at least one of the heat transfer device mentioned here for example, a plurality of vehicle floor air conditioning devices and / or a plurality of vehicle roof air conditioning devices.
  • Valve device is preferably arranged for particular variable and different control of the various heat transfer devices, and it is particularly adapted to the distribution of thermal power to the
  • the outdoor heat exchanger is
  • the first subcircuit is fluidly connected to at least one driver's seat air conditioning device, at least one vehicle floor air conditioning device and at least one vehicle roof air conditioning device. In this way it is particularly possible to heat in the heating operation the driver's seat, the vehicle floor and the vehicle roof - preferably controlled by the valve device as needed. It is possible that the first sub-circuit is connected to a plurality of vehicle floor air conditioning devices and / or a plurality of vehicle roof air conditioning devices. A heating of both the vehicle roof and the vehicle floor is useful because so a particularly favorable
  • the heat transfer medium circuit can be readily designed large enough to apply to both the vehicle roof and the vehicle floor.
  • the heating of the vehicle floor is useful, since the hot air generated during heating rises to the top. In this case, a convection heating effect can be effected.
  • the vehicle heating can be assisted by a blower, whereby in particular the effect of the convection heating effect can be improved.
  • the first partial circuit is not connected to a vehicle roof air conditioning device, in particular only with a driver's seat air conditioning device and at least one vehicle floor air conditioning device.
  • a heating of the vehicle floor can in principle be sufficient for heating the vehicle interior.
  • the second partial circuit is fluidly connected to at least one driver's seat air conditioning device and at least one vehicle roof air conditioning device. In this way, the driver's seat and the vehicle roof can be cooled via the second partial circuit.
  • the second partial circuit is not fluidly connected to a vehicle floor air conditioning device.
  • a fluid connection can be
  • the driver's seat air conditioning apparatus preferably includes at least one
  • Cooling heat exchanger and at least one heating heat exchanger are preferably fluid-connected to the first partial circuit, wherein the
  • Cooling heat exchanger is fluidly connected to the second partial circuit.
  • the driver's seat air conditioning apparatus may include a fan and louvers for regulating a supply of fresh air and air distribution to vents on a window, particularly a windshield of the vehicle, to the feet of a driver of the vehicle and, if present, a man's vent in the upper body region of the driver.
  • the first partial circuit is connected to a Zuffyvorraum.
  • This is in particular an additional heater that can be operated with a fuel, such as diesel, gas or the like.
  • the auxiliary heating device can be activated or deactivated independently of the refrigerant circuit. It may also serve, in particular, to provide additional and / or faster heating power when the
  • Refrigerant cycle for example, at a start of the vehicle in winter, does not heat quickly enough or only generates too low heat output.
  • the first partial circuit is preferably connected to the auxiliary heating device fluidically and / or thermally, in particular fluidically and thermally.
  • Performance potential of the refrigerant circuit in particular as a heat pump, can be fully utilized. In particular, this does not have to be regulated back due to otherwise unfavorable temperature stratification.
  • the vehicle is designed as a bus, in particular as a bus.
  • the vehicle serves the
  • Passenger transport in particular a larger number of persons, in particular more than five or more than seven persons as intended.
  • the vehicle may be designed as a city bus or as a long-distance bus, in particular as a coach.
  • Air conditioning device can be used for each vehicle type.
  • the vehicle may therefore also be a passenger car, a truck or a commercial vehicle of another type, or a ship, a railway vehicle, an aircraft or the like.
  • the air conditioning device proposed here is also very favorable for a defrosting of the outdoor heat exchanger (heat exchanger for exchanging heat or cold with the vehicle environment) of the vehicle, because in a simple way waste heat from components of the vehicle, such as power electronics, in the heat exchanger, in particular in the outdoor heat exchanger, can be fed, said heat from there over the Heat transport medium circuit can first be supplied to the refrigerant circuit and then finally provided for defrosting air conditioning device.
  • the single figure shows a schematic representation of an embodiment of a vehicle with an embodiment of an air conditioning device.
  • the single figure shows a schematic representation of a vehicle 1, which is preferably designed as a bus, and which has an air conditioning device 3.
  • the air conditioning device 3 has a refrigerant circuit 5, along which a refrigerant can be conveyed.
  • the refrigerant circuit 5 has a compressor 7, a
  • the refrigerant is compressed by the compressor 7, then supplied to the gas cooler 9, in which it is cooled, whereby the compressed and cooled refrigerant is expanded in the expansion device 11, after which it flows through the evaporator 13, in which it absorbs heat which, in turn, leads to the
  • Compressor 7 flows back.
  • the gas cooler 9 is a heat sink of the refrigerant circuit 5, wherein the evaporator 13 is a heat source of the refrigerant circuit 5.
  • the air conditioning device 3 also has a heat transfer medium circuit 15, in which a liquid heat transport medium can be conveyed.
  • Heat transport medium circuit 15 is fluidically and thermally connected to the gas cooler and / or the evaporator - here both with the gas cooler 9 and with the evaporator 13, that thermal power of the refrigerant circuit 5 via the heat transport medium circuit 15 to at least one heat transfer device 17 is conveyed.
  • the refrigerant circuit 5 has here except the gas cooler 9 and the evaporator 7 no further heat exchange device.
  • the refrigerant circuit 5 is thermally connected only to the heat transport medium circuit 15.
  • the refrigerant circuit 5 is thus formed in particular encapsulated. He can build in this way very small and requires only a small amount of refrigerant.
  • An interconnection in particular of the entire functionality of the air conditioning device 3 can in advantageously take place on the part of the heat transport medium circuit 15, which is easier and in particular also less expensive.
  • the heat transport medium circuit 15 the extent in particular a
  • Heat transfer medium circuit device has a first partial circuit 19 which is fluidly and thermally connected to the gas cooler 9. It also has a second partial circuit 21, which is thermally and fluidically connected to the evaporator 13.
  • the partial circuits 19, 21 are preferably separable from each other, particularly preferably by means of a valve device, in particular they are separated from each other.
  • the heat transport medium circuit 15 has a valve device 23 having a plurality of valves, via which the heat transport medium can optionally be fed to a heat exchanger 25, in particular an exterior heat exchanger 27 of the vehicle 1, and / or at least one air conditioning device 29 as a heat transfer device 17.
  • the valve device 23 is in particular configured to be in a first
  • the at least one heat transfer device 17 is otherwise preferably selected from a group consisting of the outdoor heat exchanger 27, a
  • a vehicle interior air conditioning apparatus a driver's seat air conditioning apparatus 31, a vehicle floor air conditioning apparatus 33, and a vehicle roof air conditioning apparatus 35.
  • the first sub-circuit 19 is fluidly connected to the driver's seat air-conditioning device 31, the vehicle-floor air-conditioning device 33, and the vehicle-roof air-conditioning device 35.
  • the driver's seat air conditioning device 31 preferably has exactly one heating heat exchanger, wherein the vehicle roof air conditioning device 35 preferably has a plurality, in particular two heating heat exchangers, wherein the vehicle floor air conditioning device 33 preferably has a plurality, in particular a larger number, of heating heat exchangers than the vehicle roof air-conditioning device 35.
  • the heating heat exchangers are in each case fluid-connected to the first partial circuit 19.
  • the second sub-circuit 21 is here fluidly connected to the driver's seat air conditioning device 31 and to the vehicle roof air-conditioning device 35.
  • the driver's seat air conditioning device 31 preferably has exactly one cooling heat exchanger, wherein the vehicle roof air conditioning device 35 preferably has a plurality of cooling heat exchangers, in particular two cooling heat exchangers.
  • the cooling heat exchangers are in each case fluid-connected to the second partial circuit 21.
  • the vehicle-floor air-conditioning device 33 preferably has none
  • Cooling heat exchanger and is not connected to the second partial circuit 21.
  • the inflow to the individual heating and / or cooling heat exchangers of the individual air conditioning devices 29 is preferably controllable.
  • the first partial circuit 19 is preferably connected to an auxiliary heater 37 - in particular fluidically and thermally, wherein the auxiliary heater 37 is preferably activatable and deactivatable independently of the refrigerant circuit 5, and wherein the auxiliary heater 37 is preferably configured to additionally or alternatively to the refrigerant circuit 5, to introduce heating power into the first partial circuit 19.
  • both the first partial circuit 19 and the second partial circuit 21 each have a conveyor 39, 41, wherein the
  • Conveyors 39, 41 are arranged to promote the heat transport medium along the sub-circuits 19, 21, wherein the conveyors 39, 41 are preferably designed as pumps, in particular as water pumps.
  • water is preferably used in the heat transport medium circuit 15.
  • the operation of the air conditioning device 3 is in the various aspects
  • Outdoor heat exchanger 27 is fluidly connected.
  • the second partial circuit 21 is fluidly connected to the outdoor heat exchanger 27, so that heat from the environment can be taken up into the second partial circuit 21 and fed to the evaporator 13 of the refrigerant circuit 5.
  • the second partial circuit 21 is preferably not connected to the air conditioning devices 29.
  • Partial circuit 21 not with the outdoor heat exchanger 27, but with the
  • Air conditioning devices 29 connected so that this heat can be withdrawn and the evaporator 13 of the refrigerant circuit 5 can be supplied.
  • the first partial circuit 19 is preferably not with the air conditioning devices 29, but with the
  • Outdoor heat exchanger 27 is connected, so that waste heat of the refrigerant circuit 5 can be supplied from the gas cooler 9 to the outdoor heat exchanger 27.
  • the air-conditioning device 3 proposed here can be designed inexpensively, simply and with a high level of safety, in particular because the refrigerant circuit 5 can be made very small and preferably encapsulated.

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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 une installation de climatisation (3) pour un véhicule (1), comprenant un circuit de réfrigération (5) pour le transport d'un fluide frigorigène, le circuit de réfrigération (5) comportant un compresseur (7), un refroidisseur de gaz (9), un système de détente (11), et un évaporateur (13), et un circuit de fluide caloporteur (15) pour le transport d'un fluide caloporteur liquide. Selon l'invention, le circuit de fluide caloporteur (15) est relié fluidiquement et thermiquement au refroidisseur de gaz (9) et/ou à l'évaporateur (13) du circuit de réfrigération (5) de manière à permettre un transfert de puissance thermique du circuit de réfrigération (5) vers au moins un dispositif d'échange thermique (17) par l'intermédiaire du circuit de fluide caloporteur (15).
EP17739874.0A 2016-08-03 2017-07-14 Installation de climatisation pour véhicule et véhicule doté d'une telle installation de climatisation Withdrawn EP3494002A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016009460.5A DE102016009460A1 (de) 2016-08-03 2016-08-03 Klimatisierungseinrichtung für ein Fahrzeug und Fahrzeug mit einer solchen Klimatisierungseinrichtung
PCT/EP2017/000846 WO2018024359A1 (fr) 2016-08-03 2017-07-14 Installation de climatisation pour véhicule et véhicule doté d'une telle installation de climatisation

Publications (1)

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EP3494002A1 true EP3494002A1 (fr) 2019-06-12

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EP17739874.0A Withdrawn EP3494002A1 (fr) 2016-08-03 2017-07-14 Installation de climatisation pour véhicule et véhicule doté d'une telle installation de climatisation

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Country Link
EP (1) EP3494002A1 (fr)
DE (1) DE102016009460A1 (fr)
WO (1) WO2018024359A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017118425A1 (de) * 2017-08-13 2019-02-14 Konvekta Aktiengesellschaft Kreislaufsystem für ein Fahrzeug und Verfahren dazu
DE102018129337A1 (de) * 2018-11-21 2020-05-28 Bombardier Transportation Gmbh Fahrzeug
ES2924928T3 (es) * 2018-12-14 2022-10-11 Siemens Mobility GmbH Configuración para generar frío para una locomotora
DE102019127796A1 (de) * 2019-10-15 2021-04-15 Aurora Konrad G. Schulz Gmbh & Co. Kg Aufdach-Klimatisierungseinheit
DE102021209307A1 (de) 2021-08-25 2023-03-02 Robert Bosch Gesellschaft mit beschränkter Haftung Heizsystem für einen Innenraum eines Fahrzeugs

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19625927C2 (de) * 1996-06-28 1999-06-24 Webasto Klimatech Gmbh Einrichtung zum Heizen und/oder Kühlen eines Fahrzeuges
DE10161254A1 (de) 2001-12-13 2003-07-03 Konvekta Ag Klimatisierungseinrichtung für ein Fahrzeug
DE102007039195B4 (de) * 2007-08-20 2015-03-26 Ingersoll-Rand Klimasysteme Deutschland Gmbh Anordnung zum Klimatisieren eines Fahrzeugs
EP2608974A1 (fr) * 2010-08-24 2013-07-03 ixetic Bad Homburg GmbH Dispositif de chauffage/refroidissement et son procédé de fonctionnement
WO2013023631A1 (fr) * 2011-08-16 2013-02-21 Ixetic Bad Homburg Gmbh Dispositif de chauffage/refroidissement et procédé permettant de faire fonctionner un dispositif de chauffage/de refroidissement
FR2999481B1 (fr) * 2012-12-14 2015-12-18 Valeo Systemes Thermiques Dispositif de conditionnement thermique pour vehicule automobile et installation de chauffage, ventilation et/ou climatisation correspondante

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DE102016009460A1 (de) 2018-02-08
WO2018024359A1 (fr) 2018-02-08

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