WO2021004758A1 - Circuit de refroidissement - Google Patents

Circuit de refroidissement Download PDF

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Publication number
WO2021004758A1
WO2021004758A1 PCT/EP2020/067129 EP2020067129W WO2021004758A1 WO 2021004758 A1 WO2021004758 A1 WO 2021004758A1 EP 2020067129 W EP2020067129 W EP 2020067129W WO 2021004758 A1 WO2021004758 A1 WO 2021004758A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooling circuit
valve
component
pump
coolant
Prior art date
Application number
PCT/EP2020/067129
Other languages
German (de)
English (en)
Inventor
Tino Koch
Original Assignee
Volkswagen Aktiengesellschaft
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 Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Publication of WO2021004758A1 publication Critical patent/WO2021004758A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention relates to a cooling circuit, in particular a cooling circuit for an electricity store, which is preferably used in a motor vehicle for storing electrical energy.
  • the motor vehicle has an electrical machine for driving the motor vehicle, wherein the electrical machine can be driven by the electrical energy stored in the power storage device.
  • Electric vehicles in particular should be operated as energy-efficiently as possible.
  • heat loss from the components of the motor vehicle should be used as efficiently as possible.
  • Cooling circuits for such motor vehicles should be as simple as possible and have as reduced an actuator system as possible (that is, means for separating or connecting partial cooling circuits or for diverting volume flows of a coolant circulating through the cooling circuit).
  • two partial cooling circuits In a first operating mode, two partial cooling circuits, one used to control the temperature of a battery and the other to cool electrical components of a drive train, are connected to one another in parallel. In a second operating mode, the partial cooling circuits are connected in series. A heat exchanger of a heat pump is always arranged in the partial cooling circuit of the battery.
  • a cooling circuit arrangement with a heat pump wherein a cooling circuit for a battery is a bypass for a heat exchanger of the heat having pump, so that the battery can be heated by a heater while bypassing the heat exchanger.
  • valve From US 2017/0152957 A1 valve is known in which several connections can be interconnected in various ways.
  • the valve comprises a centrally arranged valve body which is rotatable in relation to the connections and which has two flow paths.
  • the object of the present invention is to at least partially solve the problems cited with reference to the prior art.
  • a cooling circuit is to be proposed by means of which an efficient utilization of heat loss can be made possible, wherein the cooling circuit should have as few actuators as possible for realizing this efficient utilization.
  • a cooling circuit is proposed.
  • the cooling circuit is assigned to a power storage device (a battery), the power storage device preferably being used in a motor vehicle for storing electrical energy.
  • the motor vehicle has an electrical machine for driving the motor vehicle, wherein the electrical machine can be driven by the electrical energy stored in the power storage device.
  • the cooling circuit has at least a plurality of differently interconnectable and thereby fluidically connectable partial cooling circuits and at most two multi-way valves as well
  • a first partial cooling circuit with a first pump for delivering a coolant e.g.
  • a second partial cooling circuit with a second pump for conveying the coolant through the cooling circuit and at least one second component to be tempered.
  • a heat exchanger of a heat pump is in a first position of the at least one multi-way valve with the first component together only in the first partial cooling circuit and in a second position of the at least one multi-way valve together with the second component only in the second partial cooling circuit arranged.
  • a heat pump includes its own fluid (that is, not the coolant of the cooling circuit), which is conveyed through lines of the heat pump.
  • the fluid is compressed and heated at one point and relaxed at another point and thereby cooled.
  • the relaxed and cooled fluid can in particular be fed to the heat exchanger, so that the coolant can be cooled by means of the fluid via the heat exchanger.
  • a phase transition of the fluid is used, the fluid liquefied after compression and heating and converted into the gaseous state after expansion.
  • the heat pump is used in the cooling circuit in particular for regulating the temperature of the coolant.
  • a coolant is conveyed through the cooling circuit via the first pump and / or the second pump.
  • a volume flow of the coolant can be applied to different areas of the cooling circuit via the valves.
  • certain (electrical) components arranged in the cooling circuit can be acted upon with coolant via the valves, so that cooling or even heating of the individual components is made possible.
  • a heat loss from the components in the cooling circuit can be used in this way.
  • the heat loss from one component can be transported to another component via the coolant.
  • the cooling circuit has at most two multi-way valves, ie the cooling circuit can have (at least) one multi-way valve or two multi-way valves.
  • a multi-way valve has at least three connections, the connections being fluidically connectable to one another in different ways.
  • a first connection can be connected to a second and / or a third connection.
  • only the second and the third connection can be fluidically connected to one another.
  • the cooling circuit can in particular other valves (but not multi-way valves) aufwei sen, z.
  • Check valves In particular, check valves have only two connections through which flow can only be made in one direction from a certain pressure difference applied to the valve.
  • the coolant is circulated through the cooling circuit.
  • the coolant can flow through the first partial cooling circuit and / or through the second partial cooling circuit.
  • a partial cooling circuit can, for. B. comprise a bypass or a bypass line through which a coolant is only conveyed as required.
  • a partial cooling circuit can be assigned a specific function, e.g. B. to realize a fast heating or cooling only egg ner certain component or a low heat dissipation to components that do not require cooling or heating.
  • the first partial cooling circuit has, in particular, a first pump for conveying a coolant through the cooling circuit and at least one first component to be tempered by the coolant.
  • the second partial cooling circuit has, in particular, a second pump for conveying the coolant through the cooling circuit and at least one second component to be tempered.
  • a coolant can be delivered exclusively by the second pump, at least at times.
  • the second partial cooling circuit with the second pump can be fluidically separated from the first pump so that the coolant is only conveyed through the second partial cooling circuit and only through the second pump. It is also possible to operate both pumps to deliver the coolant at the same time.
  • the at least one first or second component is e.g. B. a power electronics, an electrical machine, a power storage (an accumulator), a heating element for heating the coolant or a converter, z. B. a DC converter.
  • the heat exchanger can either be arranged in the first partial cooling circuit or in the second partial cooling circuit.
  • the partial cooling circuits are in particular fluidly separated from one another, the coolant in both partial cooling circuits then being fluidically connected to one another only via a compensation tank of the cooling circuit.
  • an expansion tank is geodetically higher than the partial cooling circuits, so that these are always (completely) filled with the coolant.
  • the heat exchanger is arranged connected in series with both the first component and the second component.
  • the first partial cooling circuit comprises a cooler and a bypass line bypassing the cooler, the cooler being arranged in the first partial cooling circuit in a fourth position (and a second position and a fifth position) of the at least one multi-way valve.
  • the cooler can be integrated into or removed from the at least one partial cooling circuit independently of the heat exchanger.
  • the cooler is acted upon by ambient air, so that heat is exchanged between the coolant and the ambient air.
  • the heat exchanger in a fifth position of the at least one multi-way valve, is arranged neither with the first component nor with the second component in a cooling circuit. In particular, the heat exchanger is then not acted upon by a volume flow of the coolant.
  • the coolant is routed past the heat exchanger.
  • the at least one multi-way valve comprises a first (multi-way) valve and a second (multi-way) valve (the cooling circuit then includes two multi-way valves), the first valve and the second Each valve have four connections.
  • the at least one multi-way valve comprises a first (multi-way) valve and a second (multi-way) valve (the cooling circuit then includes two multi-way valves), the first valve having four switching positions and the second valve has two switch positions.
  • the different switching of the min least one multi-way valve can be implemented.
  • the at least one multi-way valve comprises a first (multi-way) valve and a second (multi-way) valve (the cooling circuit then comprises two multi-way valves), the first valve being a proportional valve. (Mixing) valve with several intermediate positions for regulating a volume flow through the valve and the second valve is a Umschaltven valve.
  • a volume flow can only be diverted, but not adjusted (e.g. continuously reduced).
  • a cooling circuit is proposed which despite a small number of actuator elements (here the valves) has a large number of different operating modes (here at least five different operating modes which are assigned to the respective position of the at least one multi-way valve).
  • the cooling circuit is assigned in particular to an electrically operated drive train of a motor vehicle.
  • a method for operating the cooling circuit described is also proposed, the cooling circuit having a control device for regulating the first pump, the second pump and the at least one multi-way valve, with the control device being able to select different positions of the at least one valve for the formation of different fluid connections within the cooling circuit.
  • the different positions of the at least one multi-way valve cause a specific application of coolant to the cooling circuit.
  • a motor vehicle at least having at least one electrical cal first component to drive the motor vehicle, a power storage device as the second electrical component, the cooling circuit described for controlling the temperature of the electrical components and a control unit for regulating the first pump, the second pump and the at least one multi-way valve, with different positions of the at least one valve being selectable by the control device for the formation of different fluidtechni cal connections within the cooling circuit.
  • the control device is designed to be at least suitable for operating the cooling circuit.
  • the control unit is particularly suitable for performing the method described.
  • a partial cooling circuit can be formed in which the coolant is heated by a component te, that is, heated, z. B. by a heating element, in particular a PTC heating element.
  • a heating element in particular a PTC heating element.
  • a power storage to a required or favorable operating temperature Be heated.
  • certain components can be selectively charged with coolant and cooled, while other components are only subjected to a cooling power or the volume flow of the coolant at a later point in time.
  • the described method for operating the cooling circuit can also be carried out by a computer or with a processor of the control device.
  • a system for data processing which comprises a processor which is adapted / configured in such a way that it executes the method.
  • a computer-readable storage medium can be provided which comprises instructions which, when executed by a computer / processor, cause the latter to carry out the proposed method.
  • the statements on the method can be transferred in particular to the cooling circuit, the motor vehicle, the system, the storage medium or the computer-implemented method, and vice versa.
  • first”, “second”, ...) primarily (only) serve to distinguish between several similar objects, sizes or processes, in particular no dependency and / or sequence of these objects , Parameters or processes to each other. Should a dependency and / or order be necessary, this is explicitly stated here or it is obvious to the person skilled in the art when studying the specifically described embodiment.
  • Fig. 1 a motor vehicle with electrical components, a control unit and a
  • FIG. 2 the cooling circuit according to FIG. 1 with the multi-way valves in a third position, a bypass line having coolant applied to it to bypass the cooler;
  • FIG. 3 the cooling circuit according to FIG. 1 with a first position of the multi-way valves
  • FIG. 4 the cooling circuit according to FIG. 1 with a fifth position of the multi-way valves
  • FIG. 5 the cooling circuit according to FIG. 1 with a second position of the multi-way valves
  • FIG. 6 the cooling circuit according to FIG. 1 with a fourth position of the multi-way valves, a cooler being acted upon with coolant.
  • the motor vehicle 35 has several components 8, 10, 36, 37, 40 for driving the motor vehicle 35 .
  • the first electrical component 8 is, for. B. a heat exchanger for a DC-DC converter.
  • the second component 10 is a Stromspei cher.
  • the motor vehicle 35 further comprises a heat exchanger for power electronics (third component 36), a heat exchanger for an electrical machine (fourth component 37), a heat exchanger for a charger with an inductive circuit board (fifth component 40).
  • a HV heating element 41 and a cooler 16 are also arranged.
  • the motor vehicle 35 further comprises a control device 34 for controlling the first pump 6, the second pump 9, the first valve 4 and the second valve 5.
  • the first valve 4 is a multi-way valve which has a first connection 20 (starting from the cooler 16), a second connection 21 (towards the second partial cooling circuit 3), a third connection 22 (starting from the bypass line 17) and a fourth connection 23 (towards the first pump 6).
  • the first valve 4 is a proportional valve.
  • the first valve 4 comprises a centrally arranged valve body which is rotatable with respect to the connections 20, 21, 22, 23 and which is subsequently arranged in at least four different switching positions 28, 29, 30, 31.
  • the second valve 5 is a switching valve with two different switching positions 32, 33 and four connections 24, 25, 26, 27. Via the fifth connection 24, the coolant 7 flows from the first partial cooling circuit 3 to the second valve 5, via the sixth connection 25th starting from the second valve 5 to the heating element 41, via the seventh connection 26 starting from the second component 10 to the second valve 5 and via the eighth connection 27 to the heat exchanger 11.
  • the cooling circuit 1 has an expansion tank 38, via which sufficient filling of the cooling circuit 1 with coolant 7 is ensured.
  • FIG. 2 shows the cooling circuit 1 according to FIG. 1 with a third position 15 of the multi-way valves 4, 5, a bypass line 17 with coolant 7 being applied to bypass the cooler 16.
  • the valve body in the first valve 4 is arranged in a fourth switching position 31 such that the coolant 7 flows via the third connection 22 to the second connection 21.
  • the first connection 20 and the fourth connection 23 are closed by the valve body.
  • the second valve 5 is switched in a sixth switching position 33 so that the coolant 7 flows via the seventh connection 26 to the eighth connection 27.
  • the coolant 7 is circulated by the first pump 6, the first component 8, the second component 10, the third component 36, the fourth component 37, the fifth component 40, the bypass line 17 and the heat exchanger 11 are connected in series.
  • the components 8, 10, 36, 37, 40 are tempered via the heat exchanger 11.
  • waste heat of the component 8, 36, 37, 40 is discharged towards the second component 10 and via the heat exchanger 11 from the cooling circuit 1 and possibly via the heat pump 12 z.
  • FIG. 3 shows the cooling circuit 1 according to FIG. 1 with a first position 13 of the multi-way valves 4, 5, a bypass line 17 having coolant 7 applied to bypassing the cooler 16.
  • the valve body in the first valve 4 is in a fourth switching position treatment 31 so arranged that the coolant 7 flows via the third connection 22 to the second connection 21.
  • the first connection 20 and the fourth connection 23 are closed by the valve body.
  • the second valve 5 is switched in a fifth switching position 32 such that the coolant 7 flows via the seventh connection 26 to the sixth connection 25.
  • the coolant 7 is conveyed through the first partial cooling circuit 2 by the first pump 6, the first component 8, the third component 36, the fourth component 37, the fifth component 40, the bypass line 17 and the heat exchanger 11 are connected in series.
  • the coolant of the first partial cooling circuit 2 is conveyed via the fifth connection 24 to the eighth connection 27 and on to the heat exchanger 11.
  • the coolant 7 is conveyed by the second pump 9 through the second partial cooling circuit 3, the second component 10 and the heating element 41 being connected in series.
  • the first partial cooling circuit 2 and the second partial cooling circuit 3 are arranged in a parallel connection and fluidly separated from one another.
  • the power storage (the second component 10) can be heated via the heating element 41.
  • the components 8, 36, 37, 40 arranged in the first partial cooling circuit 2 are tempered by the heat exchanger 11.
  • waste heat of the component 8, 36, 37, 40 is dissipated via the towntau shear 11 from the cooling circuit 1 and possibly via the heat pump 12 z. B. fed into an interior of the motor vehicle.
  • the second component 10 can be heated via the heating element 41.
  • FIG. 4 shows the cooling circuit 1 according to FIG. 1 with a fifth position 19 of the multi-way valves 4, 5, the cooler 16 being acted upon by coolant 7.
  • this fifth position 19 is the The valve body in the first valve 4 is arranged in a second switching position 29 so that the coolant 7 flows via the first connection 20 to the fourth connection 23 and to the first pump 6.
  • the second connection 21 and the third connection 22 are closed by the valve body.
  • the second valve 5 is switched in a fifth switching position 32 such that the coolant 7 flows via the seventh connection 26 to the sixth connection 25.
  • the coolant 7 is conveyed through the first partial cooling circuit 2 by the first pump 6, the first component 8, the third component 36, the fourth component 37, the fifth component 40 and the cooler 16 being connected in series .
  • the coolant 7 of the first partial cooling circuit 2 is conveyed directly back to the first pump 6 via the first valve 4, bypassing the second valve 5 and the heat exchanger 11.
  • the first partial cooling circuit 2 and the second partial cooling circuit 3 are arranged in a parallel connection and fluidly separated from one another.
  • the power storage (the second component 10) can be heated via the heating element 41.
  • the components 8, 36, 37, 40 arranged in the first partial cooling circuit 2 are tempered by the cooler 16.
  • the valve body in the first valve 4 could be arranged in a first switching position 28 (indicated in FIG. 4) such that the coolant 7 via the third connection 22 to the fourth connection 23 and to the first pump 6 flows.
  • the first connection 20 and the second connection 21 would then be closed by the valve body.
  • the coolant 7 would be conveyed by the first pump 6 through the first partial cooling circuit 2, the first component 8, the third component 36, the fourth component 37, the fifth component 40 and the bypass line 17 being connected in series .
  • the coolant 7 of the first partial cooling circuit 2 would be conveyed directly back to the first pump 6 via the first valve 4, bypassing the second valve 5 and the heat exchanger 11.
  • the components 8, 36, 37, 40 arranged in the first partial cooling circuit 2 would then be tempered neither by the cooler 16 nor by the heat exchanger 11.
  • the components 8, 36, 37, 40 are specifically cooled by the cooler 16.
  • the second component 10 can be heated via the heating element 41.
  • FIG. 5 shows the cooling circuit 1 according to FIG. 1 with a second position 14 of the multi-way valves 4, 5, the cooler 16 being acted upon by coolant 7.
  • the valve body in the first valve 4 is arranged in a second switching position 29 such that the coolant 7 flows via the first connection 20 to the fourth connection 23 and to the first pump 6.
  • the second connection 21 and the third connection 22 are closed by the valve body.
  • the second valve 5 is switched in a sixth switching position 33 such that the coolant 7 flows via the seventh connection 26 to the eighth connection 27.
  • the coolant 7 is conveyed by the first pump 6 through the first partial cooling circuit 2, the first component 8, the third component 36, the fourth component 37, the fifth component 40 and the cooler 16 being connected in series .
  • the coolant 7 of the first partial cooling circuit 2 is conveyed directly back to the first pump 6 via the first valve 4, bypassing the second valve 5 and the heat exchanger 11.
  • the coolant 7 is conveyed through the second partial cooling circuit 3 by the second pump 9, the second component 10, the heat exchanger 11 and the check valve 39 being connected in series.
  • the heating element 41 is bypassed here.
  • the first partial cooling circuit 2 and the second partial cooling circuit 3 are arranged in a parallel connection and fluidly separated from one another.
  • the power storage (the second component 10) can be tempered via the heat exchanger 11.
  • the components 8, 36, 37, 40 arranged in the first partial cooling circuit 2 are tempered by the cooler 16.
  • FIG. 6 shows the cooling circuit 1 according to FIG. 1 with a fourth position 18 of the multi-way valves 4, 5, a cooler 16 being acted upon by coolant 7.
  • the valve body in the first valve 4 is arranged in a third switching position 30 such that the coolant 7 flows via the first connection 20 to the second connection 21.
  • the first, third connection 22 and the fourth connection 23 are closed by the valve body.
  • the second valve 5 is switched in a sixth switching position 33 such that the coolant 7 flows via the seventh connection 26 to the eighth connection 27.
  • the coolant 7 is circulated by the first pump 6, the first component 8, the second component 10, the third component 36, the fourth component 37, the fifth component 40 and the cooler 16 (as well as the switched off heat exchanger 11) are connected in series.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

L'invention concerne un circuit de refroidissement (1) comportant au moins une pluralité de circuits de refroidissement partiels (2, 3) pouvant être connectés différemment et pouvant ainsi être reliés fluidiquement et au plus deux soupapes à plusieurs voies (4, 5), ainsi - qu'un premier circuit de refroidissement partiel (2) pourvu d'une première pompe (6) permettant de transporter un réfrigérant (7) à travers le circuit de refroidissement (1) et au moins un premier composant (8) à thermoréguler ; - un second circuit de refroidissement (3) pourvu d'une seconde pompe (9) permettant de transporter le réfrigérant (7) à travers le circuit de refroidissement (1) et au moins un second composant (10) à thermoréguler ; un échangeur de chaleur (11) d'une pompe à chaleur (12) étant disposé, conjointement avec le premier composant (8), dans une première position (13) de l'au moins une soupape à plusieurs voies (4, 5), uniquement dans le premier circuit de refroidissement partiel (2), et conjointement avec le second composant (10), dans une seconde position (14) de l'au moins une soupape à plusieurs voies (4, 5), uniquement dans le second circuit de refroidissement partiel (3).
PCT/EP2020/067129 2019-07-08 2020-06-19 Circuit de refroidissement WO2021004758A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019210029.5A DE102019210029A1 (de) 2019-07-08 2019-07-08 Kühlkreislauf
DE102019210029.5 2019-07-08

Publications (1)

Publication Number Publication Date
WO2021004758A1 true WO2021004758A1 (fr) 2021-01-14

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DE (1) DE102019210029A1 (fr)
WO (1) WO2021004758A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP4155106A1 (fr) * 2021-09-22 2023-03-29 Volvo Truck Corporation Système de refroidissement pour véhicule

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Publication number Priority date Publication date Assignee Title
DE102021109743B4 (de) 2021-04-19 2023-10-19 Audi Aktiengesellschaft Ventilanordnung für ein Kühlsystem eines Kraftfahrzeugs, Kühlsystem und Kraftfahrzeug mit einem solchen Kühlsystem
DE102021124993A1 (de) 2021-09-28 2023-03-30 Bayerische Motoren Werke Aktiengesellschaft Baukastensystem zur Herstellung mehrerer Bauvarianten eines Kühlsystems für ein Kraftfahrzeug sowie Verwendung eines solchen Baukastensystems
DE102022125586A1 (de) 2022-10-05 2024-04-11 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Kühlsystem für eine elektrische Traktionsmaschine für ein Kraftfahrzeug

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