WO2024033202A1 - Système de refroidissement destiné à refroidir une électronique de puissance et/ou à réguler la température d'un fluide de refroidissement - Google Patents

Système de refroidissement destiné à refroidir une électronique de puissance et/ou à réguler la température d'un fluide de refroidissement Download PDF

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Publication number
WO2024033202A1
WO2024033202A1 PCT/EP2023/071497 EP2023071497W WO2024033202A1 WO 2024033202 A1 WO2024033202 A1 WO 2024033202A1 EP 2023071497 W EP2023071497 W EP 2023071497W WO 2024033202 A1 WO2024033202 A1 WO 2024033202A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
cooling
power electronics
valve
cooling system
Prior art date
Application number
PCT/EP2023/071497
Other languages
German (de)
English (en)
Inventor
Sven Peters
Andreas Stephan
Doris Haug
Jonas STÖCKL
Original Assignee
Man Truck & Bus Se
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
Priority claimed from DE102022120420.0A external-priority patent/DE102022120420A1/de
Priority claimed from DE102022120410.3A external-priority patent/DE102022120410A1/de
Application filed by Man Truck & Bus Se filed Critical Man Truck & Bus Se
Publication of WO2024033202A1 publication Critical patent/WO2024033202A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0212—Condensation eliminators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
    • H05K7/20872—Liquid coolant without phase change
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/36—Temperature of vehicle components or parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature

Definitions

  • Cooling system for cooling power electronics and/or for coolant temperature control
  • the invention relates to a cooling system, preferably for a motor vehicle, in particular an autonomous or semi-autonomous motor vehicle (e.g. truck or bus).
  • the cooling system is used in particular for cooling power electronics and/or for coolant temperature control to avoid condensation formation on or in the power electronics.
  • the invention also relates to an associated method.
  • An object of the invention is to provide an efficient and/or structurally simple option for cooling power electronics and/or for coolant temperature control to avoid condensation formation on or in power electronics, in particular power electronics for data processing for autonomous or semi-autonomous driving.
  • the invention relates to a cooling system, preferably for a motor vehicle, in particular an autonomous or semi-autonomous motor vehicle, e.g. an autonomous or semi-autonomous truck or bus.
  • a motor vehicle in particular an autonomous or semi-autonomous motor vehicle, e.g. an autonomous or semi-autonomous truck or bus.
  • the cooling system includes a battery cooling circuit, in particular for cooling a (e.g. rechargeable) battery device (e.g. battery device, etc.).
  • the battery device can e.g. B. serve to supply energy to an electric motor for driving the motor vehicle.
  • the battery cooling circuit serves in particular to carry a (e.g. gaseous or liquid) cooling medium.
  • the battery cooling circuit is preferably an accumulator cooling circuit.
  • the cooling system includes power electronics, preferably at least one control device and/or at least one computer (e.g. at least one chip and/or one or more other electronic components, etc.), preferably for data processing for autonomous or semi-autonomous driving of the motor vehicle.
  • the computer can in particular be a high-performance computer.
  • the cooling system includes a second circuit (e.g. cooling circuit) into which the power electronics is integrated and which is set up for cooling the power electronics and/or for coolant temperature control to avoid condensation formation on or in the power electronics.
  • a second circuit e.g. cooling circuit
  • the second circuit serves in particular to carry a (e.g. gaseous or liquid) coolant.
  • a coolant e.g. gaseous or liquid
  • the battery cooling circuit and the second circuit are thermally connected to one another directly or indirectly via a heat exchanger, preferably a plate heat exchanger, in particular so that the battery cooling circuit can be used to generate and/or provide refrigeration and/or cooling power for the second circuit.
  • a thermal connection can thus be established between the battery cooling circuit and the second circuit, enabling heat transfer between these circuits and thus temperature control of the power electronics as required.
  • an indirect or direct thermal connection means that at least one additional, here third cooling circuit is optionally arranged between the battery circuit and the second circuit, this additional cooling circuit being in thermal contact with both the battery circuit and the second circuit, or heat can be transferred between the battery circuit and the second circuit directly or directly via an intermediate heat exchanger.
  • the cooling system has a third circuit, which is expediently thermally connected (e.g. coupled) to the second circuit via a first heat exchanger (e.g. a chiller, in particular an evaporator) and via a second heat exchanger (e.g B. Chiller, in particular evaporator) is expediently thermally connected (e.g. coupled) to the battery cooling circuit, preferably so that the third Circuit can be used to generate and/or provide cooling power (appropriately cold) for the battery cooling circuit and the second circuit.
  • a first heat exchanger e.g. a chiller, in particular an evaporator
  • a second heat exchanger e.g B. Chiller, in particular evaporator
  • One advantage is e.g. B. that by means of the battery cooling circuit and/or the third circuit, a cooling system that is often already present in motor vehicles can be expediently used directly or indirectly to generate refrigeration and/or cooling power in order to cool and/or control the temperature of the power electronics.
  • the cooling system can preferably be set up not only for cooling the power electronics, but preferably also for coolant temperature control in order to avoid condensation formation on or in the power electronics, so that advantageously a temperature on or in the power electronics is essentially above a dew point temperature can be maintained.
  • the battery cooling circuit can e.g. B. a pump and / or z. B. include a cooling device, preferably a cooler with a fan.
  • the battery cooling circuit can be thermally connected (e.g. coupled) to a third circuit via a (e.g. further, in particular second) heat exchanger, preferably a chiller (e.g. evaporator), preferably so, that the third circuit can be used to generate and/or provide cooling and/or cooling power (expediently cold and/or cooling) for the battery cooling circuit and/or the second circuit.
  • a (e.g. further, in particular second) heat exchanger preferably a chiller (e.g. evaporator), preferably so, that the third circuit can be used to generate and/or provide cooling and/or cooling power (expediently cold and/or cooling) for the battery cooling circuit and/or the second circuit.
  • the third circuit can e.g. B. include an expansion element (e.g. expansion valve), a compressor (e.g. compressor) and / or a capacitor.
  • an expansion element e.g. expansion valve
  • a compressor e.g. compressor
  • a capacitor e.g. capacitor
  • the expansion element can in particular be connected upstream of the further heat exchanger, e.g. B. be arranged upstream of the heat exchanger and / or downstream of the compressor and / or condenser.
  • the battery cooling circuit can expediently be integrated between the second circuit and the first circuit.
  • the first heat exchanger can z. B. be a chiller (in particular an evaporator) and / or the second heat exchanger can z. B. be a chiller (especially an evaporator).
  • the third circuit it is possible for the third circuit to include a first expansion element (e.g. an expansion valve) for the first heat exchanger and/or a second expansion element (e.g. an expansion valve) for the second heat exchanger.
  • the third circuit can e.g. B. include a compressor (e.g. compressor) and / or a capacitor.
  • the compressor and/or the condenser can preferably be operatively connected to the first heat exchanger and/or the second heat exchanger.
  • the first expansion element can expediently be connected upstream of the first heat exchanger, e.g. B. be arranged upstream of the first heat exchanger and / or downstream of the compressor and / or condenser.
  • the second expansion element can expediently be connected upstream of the second heat exchanger, e.g. B. be arranged upstream of the second heat exchanger and / or downstream of the compressor and / or condenser.
  • first heat exchanger and in particular its expansion element
  • second heat exchanger and in particular its expansion element
  • the third circuit can expediently be integrated between the battery cooling circuit and the second circuit.
  • the second circuit can e.g. B. include a valve for coolant temperature control in order to avoid condensation formation on or in the power electronics.
  • the valve can e.g. B. be a directional control valve and / or be set up to combine coolant at different temperatures, appropriately in the second circuit.
  • the valve can have at least three connections and/or have at least two switching positions and/or be designed as a 3-way valve, in particular a 3/2-way valve.
  • the second circuit can e.g. B. include a cooling device, e.g. B. a cooler with a fan.
  • the cooling device serves in particular to cool the coolant of the second circuit.
  • the cooling device can e.g. B. a liquid-air heat exchanger, preferably with a fan, the performance of which can be advantageously increased by the fan.
  • the second circuit includes a first line section, which is z. B. can extend upstream of the power electronics, in particular between the first heat exchanger and the power electronics.
  • the second circuit can z. B. include a second line section, which is z. B. can extend downstream of the power electronics between the power electronics and in particular the first heat exchanger.
  • the first line section can thus be coupled, for example, to an input side of the power electronics and to an output side of a heat exchanger, in particular of the first heat exchanger, with alternatively or additionally the second line section z. B. can be coupled to an output side of the power electronics and to an input side of a heat exchanger, in particular the first heat exchanger.
  • a third line section to connect the second line section to the valve and/or to form a bypass line in order to supply coolant (expediently of the second circuit) to the valve and/or in bypassing the cooling device and/or a heat exchanger, in particular the first heat exchanger to lead the first line section and preferably (in particular indirectly) back to the power electronics.
  • the third line section is expediently part of the second circuit.
  • the valve can e.g. B. be integrated into the first and / or third line section.
  • the third line section branch off from the second line section at a branch point.
  • the branch point is preferably downstream of the power electronics and z. B. positioned upstream of the cooling device and / or a heat exchanger, in particular the first heat exchanger.
  • the second circuit can e.g. B. include a pump.
  • the pump can e.g. B. be set up to change, preferably optionally increase and / or reduce, a coolant heat flow or coolant volume flow, preferably for coolant temperature control to avoid condensation formation on or in the power electronics.
  • the change can e.g. B. can be realized by changing the performance of the pump.
  • the pump is preferably integrated into the first line section and/or upstream of the power electronics and z. B. positioned downstream of the valve and/or downstream in particular of the first heat exchanger.
  • the valve preferably comprises a first inlet (which can preferably be connected to an outlet of a heat exchanger, in particular the first heat exchanger, by means of a first section of the first line section) and/or a second inlet (which can preferably be connected to the second line section by means of the third line section can).
  • the valve can expediently comprise an output in order to expediently direct coolant for coolant temperature control from the first inlet and/or from the second inlet to the power electronics and/or into a second section of the first line section, depending on the valve switching positions.
  • the first input can be used in particular to receive coolant cooled by means of the battery cooling circuit, a heat exchanger, in particular the first heat exchanger and/or the cooling device.
  • the second input can be used in particular to receive coolant warmed up by the power electronics.
  • the first input and/or the second input and/or the output may have at least one of the following: an open position in which it is fully open, a closed position in which it is fully closed, and/or at least one intermediate position in which it is partially open.
  • valve for coolant temperature control it is possible for the valve for coolant temperature control to have a switching position in which the first input is completely closed and the second input is completely or partially open, preferably such that coolant (in particular warmed up by the power electronics) flows between the output, the power electronics and can circulate at the second inlet, but an inflow of coolant via the first inlet and preferably thus from the cooling device and/or from a heat exchanger, in particular from the first heat exchanger, is prevented.
  • coolant in particular warmed up by the power electronics
  • a (“small”) circuit or circuit mode can be made possible, which includes the power electronics, the valve (namely the preferably completely or partially opened second input) and preferably the Pump includes, in particular with the first inlet closed and thus excluding the cooling device and / or a heat exchanger, in particular the first heat exchanger.
  • the valve can be used for coolant temperature control, e.g. B. have a switching position in which the first input is partially open and the second input is completely or partially open, preferably in such a way that coolant (in particular warmed up by the power electronics) can circulate between the output, the power electronics and the second input, but an inflow of coolant (in particular cooled by means of the battery cooling circuit and/or the cooling device) via the first inlet and preferably thus from the cooling device and/or a heat exchanger, in particular the first heat exchanger, is also permitted.
  • coolant in particular warmed up by the power electronics
  • a circuit or circuit mode can be made possible, which includes the power electronics, the valve (namely preferably the first at least partially opened input and the second at least partially opened input) and the cooling device and / or a heat exchanger, in particular the first heat exchanger and z.
  • B. includes the pump.
  • the valve for coolant temperature control prefferably has a switching position in which the first input is completely open, preferably in such a way that coolant (in particular cooled by means of the battery cooling circuit and/or the cooling device) circulates between the output, the power electronics and the first input , and in which the second input z. B. is completely closed or z. B. is opened only partially and/or intermittently.
  • the cooling device can e.g. B. be integrated into the second line section, positioned downstream of the power electronics and/or downstream of the branch point, and/or positioned upstream of a heat exchanger, in particular the first heat exchanger and/or the second input.
  • the coolant of the second circuit can in particular absorb heat from the power electronics and use the heat for coolant temperature control to avoid condensation formation on or in the power electronics, preferably in combination with means the battery cooling circuit, a heat exchanger, in particular the first heat exchanger and / or the cooling device cooled coolant.
  • the second circuit can therefore preferably provide at least three different circuit modes, namely preferably a first circuit mode in order to expediently increase the coolant temperature for the power electronics, a second circuit mode in order to expediently increase the coolant temperature for the power electronics reduce, and a third circuit mode that combines the first and second circuit modes.
  • valve is a thermostatic valve and/or a self-adjusting valve for coolant temperature control and thus preferably forms a non-electronically controlled and/or regulated valve.
  • the valve can e.g. B. include an expansion material or expansion fluid that reacts to temperature fluctuations, preferably to influence a coolant flow, e.g. B. to block completely, to let through completely and/or to let through only partially.
  • the valve can e.g. B. include a wax insert and slider.
  • the valve can e.g. B. be set up for temperature fixed value control, preferably to keep the coolant temperature for the power electronics in a predetermined temperature range.
  • the predetermined (e.g. preset) temperature is preferably chosen so that falling below the dew point is excluded in all operating states.
  • the valve can e.g. B. be a mechanical valve.
  • valve it is also possible for the valve to be an electrical valve, in particular an electronically controlled and/or regulated valve.
  • the cooling system can e.g. B. include an electronic control and / or regulating device which is set up to control the valve and / or the pump, preferably for cooling the power electronics and / or for coolant temperature control to avoid condensation formation on or in the power electronics and / or to regulate.
  • an electronic control and / or regulating device which is set up to control the valve and / or the pump, preferably for cooling the power electronics and / or for coolant temperature control to avoid condensation formation on or in the power electronics and / or to regulate.
  • the control and/or regulating device can in particular be set up to control the valve and/or the pump depending on at least one of the following and/or - to regulate: a temperature and/or a humidity of the ambient air of the power electronics, a temperature on or in the power electronics (e.g. a surface temperature of the power electronics), a coolant temperature of the second circuit (e.g. upstream and/or downstream of the power electronics), a coolant temperature of the battery cooling circuit and/or a coolant temperature of the third circuit.
  • the cooling system can e.g. B. include suitable sensors.
  • the control and/or regulating device can, for. B. be set up to carry out an adjustment with at least one dew point curve and / or to keep the coolant temperature of the second circuit in a predetermined temperature range.
  • control and/or regulating device forms part of the power electronics and is therefore preferably coolable by the second circuit, or is made available in addition to the power electronics and, for. B. is decoupled from the second circuit (appropriately thermally).
  • the battery cooling circuit and/or the second circuit preferably includes no evaporator, no expansion element (e.g. expansion valve), no compressor and/or no condenser.
  • the battery cooling circuit can be used in particular to generate and/or provide cooling and/or cooling power for the second circuit, so that preferably cold and/or cooling from the battery cooling circuit can be used by means of the second circuit to cool the power electronics.
  • the battery cooling circuit can (in particular in addition to the battery device) e.g. B. include at least one electronic component (preferably control electronics, at least one chip, processor, at least one power converter (e.g. inverter) and / or one or more other electronic components, etc.).
  • at least one electronic component preferably control electronics, at least one chip, processor, at least one power converter (e.g. inverter) and / or one or more other electronic components, etc.
  • the battery cooling circuit can in particular be set up to cool the at least one electronic component.
  • the at least one electronic component comprises control electronics (e.g. at least one chip, processor, computer, etc.), preferably for controlling the battery device.
  • control electronics e.g. at least one chip, processor, computer, etc.
  • the at least one electronic component can z. B. one Power converters (e.g. inverters), in particular for a motor vehicle air conditioning system.
  • the battery cooling circuit is a low-temperature circuit, is a closed circuit and/or has a (in particular liquid or gaseous) cooling medium (e.g. glycol-water mixture).
  • a (in particular liquid or gaseous) cooling medium e.g. glycol-water mixture
  • the second circuit is a closed circuit, is a high-temperature circuit and/or has a (in particular liquid or gaseous) coolant or refrigerant (e.g. glycol-water mixture).
  • a coolant or refrigerant e.g. glycol-water mixture
  • the third circuit is preferably a refrigeration circuit and expediently has a refrigerant.
  • the power electronics can in particular include a high-performance computer, useful for data processing for autonomous or semi-autonomous driving of the motor vehicle.
  • the coolant temperature control serves in particular to maintain a temperature on or in the power electronics essentially above a dew point temperature, in particular to avoid condensation formation on or in the power electronics.
  • the coolant temperature control can preferably be achieved without reducing a coolant volume flow.
  • the battery cooling circuit is preferably a circuit for cooling a z. B. rechargeable battery device (e.g. battery device etc.).
  • the coolant temperature of the second circuit preferably on or (preferably shortly) before entering the power electronics, to serve as a control variable for controlling the valve and/or the pump.
  • the cooling device of the battery cooling circuit and/or the second circuit in particular provides passive cooling.
  • the invention also includes a motor vehicle, preferably an autonomous or semi-autonomous motor vehicle, with a cooling system as disclosed herein.
  • the motor vehicle is preferably a truck or bus that drives (in particular autonomously or semi-autonomously).
  • the invention also includes a method for a cooling system, preferably a cooling system as disclosed herein. The method may in particular be carried out with a cooling system as disclosed herein.
  • the cooling system comprises a battery cooling circuit for cooling a (e.g. rechargeable) battery device (e.g. battery device etc.), preferably a battery device for supplying energy to an electric motor for driving the motor vehicle, and power electronics, preferably at least one control device and/or at least one Computer, preferably for data processing for autonomous or semi-autonomous driving of the motor vehicle.
  • a battery cooling circuit for cooling a (e.g. rechargeable) battery device (e.g. battery device etc.), preferably a battery device for supplying energy to an electric motor for driving the motor vehicle, and power electronics, preferably at least one control device and/or at least one Computer, preferably for data processing for autonomous or semi-autonomous driving of the motor vehicle.
  • the cooling system comprises a second circuit in which power electronics (preferably at least one control unit and/or at least one computer, e.g. for data processing for autonomous or semi-autonomous driving of the motor vehicle) is integrated and which cools the power electronics and/or which provides coolant temperature control Avoiding the formation of condensation on or in the power electronics.
  • power electronics preferably at least one control unit and/or at least one computer, e.g. for data processing for autonomous or semi-autonomous driving of the motor vehicle
  • the cooling system comprises a third circuit, which is expediently thermally connected (e.g. coupled) to the second circuit via a first heat exchanger and is expediently thermally connected (e.g. coupled) to the battery cooling circuit via a second heat exchanger , preferably so that the third circuit can be used to generate and / or provide cooling power for the battery cooling circuit and the second circuit.
  • Figure 1 shows a cooling system according to a first exemplary embodiment of the invention
  • FIG. 2 shows a cooling system according to a second embodiment of the invention and Figure 3 shows a detailed view of the cooling system, in particular a valve for coolant temperature control.
  • Figures 1 and 3 each show a cooling system 100 according to a first and a second embodiment of the invention. Furthermore, Figure 3 shows a detailed view of the cooling system 100, in particular a valve 22 for coolant temperature control.
  • the cooling system 100 is preferably part of a motor vehicle, e.g. B. an autonomous or semi-autonomous bus or truck.
  • the cooling system 100 shown in Figure 1 comprises a battery cooling circuit 10 for carrying a (e.g. liquid or gaseous) cooling medium, in particular for cooling a battery device (e.g. battery device) 12.
  • the battery device 12 is in particular rechargeable and can e.g. B. serve to supply energy to an electric motor for driving the motor vehicle.
  • the battery cooling circuit 10 is therefore preferably a circuit for cooling a rechargeable battery device 10 (e.g. battery device) and thus in particular forms a battery cooling circuit.
  • the battery cooling circuit 10 also includes a cooling device 11 (e.g. a cooler with a fan) and a pump 13.
  • the cooling medium can e.g. B. be a glycol-water mixture.
  • the battery cooling circuit 10 can also z. B. include an expansion tank 14 (e.g. expansion tank) for the cooling medium of the battery cooling circuit 10.
  • an expansion tank 14 e.g. expansion tank
  • the battery cooling circuit 10 can be in addition to the battery device 12 z. B. include at least one electronic component 15 and be set up to cool the electronic component 15.
  • the electronic component 15 can be, for. B. be control electronics, in particular for controlling the battery device 12.
  • the electronic component 15 can also include a power converter (e.g. inverter), in particular for a motor vehicle air conditioning system.
  • the electronic component 15 is shown as an example between the cooling device 11 and the battery device 12.
  • the electronic component 15 can also z. B. be arranged between the pump 13 and the battery device 12 or at another suitable location.
  • the cooling system 100 also includes a second circuit 20, which is explained in more detail below.
  • the battery cooling circuit 10 and the second circuit 20 are expediently thermally connected to one another via a (e.g. first) heat exchanger X1 (e.g. a plate heat exchanger), so that the battery cooling circuit 10 is used to generate and/or provide cooling and/or cooling power (appropriately cold and/or cool) can be used for the second circuit 20.
  • the heat exchanger X1 can expediently be arranged upstream or downstream of the battery device 12.
  • the cooling system 100 may also include an optional third circuit 30 (appropriately refrigeration circuit).
  • the third circuit 30 can z. B. have a compressor and / or a capacitor, which are summarized schematically in Figure 1 under the reference number 32.
  • the third circuit 30 can also have an expansion element 31 (e.g. an expansion valve).
  • the battery cooling circuit 10 can be thermally connected to the third circuit 30 via a particularly further (e.g. second) heat exchanger or provision of cooling capacity (expediently cold) for the battery cooling circuit 10 and/or the second circuit 20 can be used.
  • a particularly further (e.g. second) heat exchanger or provision of cooling capacity (expediently cold) for the battery cooling circuit 10 and/or the second circuit 20 can be used.
  • the expansion element 31 is expediently connected upstream of the further heat exchanger X2.
  • the battery cooling circuit 10 and the third circuit 30 can be, for. B. be a conventional battery cooling arrangement. This means that all of the components (in particular compressor and/or condenser) of an active refrigeration circuit required to generate cooling capacity are already present and therefore advantageously do not have to be installed again or possibly even operated electrically.
  • the cooling system 100 includes power electronics 21, preferably at least one control device and/or at least one computer (e.g. at least one chip, processor, etc.), preferably for data processing for autonomous or semi-autonomous driving of the motor vehicle.
  • power electronics 21 preferably at least one control device and/or at least one computer (e.g. at least one chip, processor, etc.), preferably for data processing for autonomous or semi-autonomous driving of the motor vehicle.
  • the cooling system 100 is characterized in particular in that the second circuit 20 (expediently cooling circuit) is set up for cooling the power electronics 21 and/or for coolant temperature control to avoid condensation formation on or in the power electronics 21.
  • the second circuit 20 expediently serves to carry a (e.g. liquid or gaseous) coolant (e.g. glycol-water mixture).
  • the battery cooling circuit 10 is expediently integrated between the second circuit 20 and the third circuit 30.
  • the second circuit 20 can z. B. include an expansion tank 50 (e.g. expansion tank) for the coolant of the second circuit 20.
  • an expansion tank 50 e.g. expansion tank
  • the second circuit 20 can include a valve 22 for coolant temperature control to avoid condensation formation on or in the power electronics 21.
  • the valve 22 is preferably a 3-way valve. It can e.g. B. have at least three connections 22.1, 22.2, 22.3 and/or have at least two switching positions and z. B. be designed as a 3/2-way valve. In particular, the valve 22 can be set up to bring together coolant at different temperatures.
  • the second circuit 20 may also have an optional cooling device 24, e.g. B. a cooler with a fan.
  • an optional cooling device 24 e.g. B. a cooler with a fan.
  • the second circuit 20 comprises a first line section A and a second line section B.
  • the first line section A expediently extends upstream of the power electronics 21 between the heat exchanger X1 and the power electronics 21.
  • the second line section B expediently extends downstream of the power electronics 21 between the power electronics 21 and the heat exchanger X1 and/or the cooling device 24.
  • the power electronics 21 and the heat exchanger X1 can therefore z. B. be positioned between the first line section A and the second line section B, so that the first line section A corresponds to a line section upstream of the power electronics 21 and downstream of the heat exchanger X1 and / or the second line section B corresponds to a line section downstream of the power electronics 21 and upstream of the heat exchanger X1 corresponds.
  • a third line section C of the second circuit 20 is set up to form a bypass line and z. B. to connect the second line section B to the valve 22 in order to deliver coolant to the cooling device 24 and/or the heat exchanger X1 Valve 22 and/or into the first line section A and preferably back to the power electronics 21.
  • the valve 22 is expediently integrated into the first line section A and the third line section C.
  • the third line section C branches off from the second line section B at a branch point 25.
  • the branch point 25 is downstream of the power electronics 21 and z. B. positioned upstream of the cooling device 24 and / or the heat exchanger X1.
  • the cooling device 24 is preferably integrated into the second line section B and / or downstream of the branch point 25 and z. B. positioned upstream of the heat exchanger X1.
  • the second circuit 20 also includes a pump 23, which can expediently be integrated into the first line section A.
  • the pump 23 can z. B. be integrated into the second circuit 20 upstream of the power electronics 21 and downstream of the valve 22 and/or downstream of the heat exchanger X1.
  • the coolant of the second circuit 20 can in particular absorb heat from the power electronics 21 and use the heat for coolant temperature control to avoid condensation formation on or in the power electronics 21, preferably in combination with coolant cooled by means of the heat exchanger X1 and/or the cooling device 24.
  • the valve 22 includes a first input 22.1, which is connected to an output of the heat exchanger X1 by means of a first section A1 of the first line section A.
  • the valve 22 includes a second inlet 22.2, which is connected to the second line section B by means of the third line section C.
  • the valve 22 comprises an output 22.3 in order to supply coolant via a second section A2 of the first line section A depending on valve switching positions for coolant temperature control (expediently warmed up by means of the power electronics 21 and/or cooled by means of the battery cooling circuit 10 and/or the cooling device 24). Power electronics 21 to forward.
  • the first input 22.1 and/or the second input 22.2 and optionally the output 22.3 can z. B. have an open position in which it is completely open, have a closed position in which it is completely closed, and / or have at least an intermediate position in which it is partially opened.
  • the valve 22 can have different switching positions in order to selectively let through coolant heated by the power electronics 21 (expediently by means of the second input 22.2) and coolant cooled by the battery cooling circuit 10 and/or the cooling device 24 (expediently by means of the first input 22.1) for coolant temperature control and/or to block.
  • the valve 22 can z. B. have a switching position in which the first input 22.1 is completely closed and the second input 22.2 is completely or partially open, preferably so that coolant (in particular warmed up by the power electronics 21) between the output 22.3, the power electronics 21 and the second Input 22.2 can circulate, but an inflow of coolant via the first input 22.1 and preferably thus from the cooling device 24 and / or from the heat exchanger X1 can be prevented.
  • the valve 22 can z. B. have a switching position in which the first input 22.1 is partially open and the second input 22.2 is completely or partially open, preferably so that coolant (in particular warmed up by the power electronics 21) between the output 22.3, the power electronics 21 and the second Input 22.2 can circulate, but also an inflow of coolant (in particular cooled by means of the battery cooling circuit 10 and / or the cooling device 24) via the first input 22.1 and preferably thus from the cooling device 24 and / or the heat exchanger X1 is permitted.
  • This can z. B. a circuit mode can be made possible, which includes the power electronics 21, the valve 22 (namely preferably the first at least partially open input
  • the pump 23 includes.
  • the valve 22 can z. B. have a switching position in which the first input 22.1 is completely open, preferably in such a way that coolant (in particular cooled by means of the battery cooling circuit 10 and / or the cooling device 24) circulates between the output 22.3, the power electronics 21 and the first input 22.1, and in which the second entrance
  • the power electronics 21, the valve 22 (namely preferably the fully opened first entrance 22.1) and the cooling device 24 and/or the heat exchanger X1 and z. B. includes the pump 23, preferably with the second input 22.2 essentially closed.
  • the valve 22 can z. B. be a thermostat valve and / or a self-adjusting valve for coolant temperature control.
  • the valve 22 can z. B. be a non-electronically controlled and / or regulated valve.
  • the valve 22 can in particular comprise an expansion material or expansion fluid that reacts to temperature fluctuations, preferably in order to influence a coolant flow.
  • the valve 22 can z. B. be set up for fixed temperature control in order to keep the coolant temperature for the power electronics 21 in a predetermined temperature range.
  • the pump 23 can be set up, for example. B. for coolant temperature control to avoid condensation formation on or in the power electronics 21, to change a coolant heat flow or coolant volume flow, preferably to optionally increase and / or reduce.
  • refrigeration and/or cooling power for the second circuit 20, in particular including the battery cooling circuit 10 and/or its refrigeration circuit components such as. B. the third circuit 30.
  • the second circuit 20, the valve 22 and/or the pump 23 it is particularly possible for the second circuit 20, the valve 22 and/or the pump 23 to be set up for coolant temperature control in order to avoid condensation formation on or in the power electronics 21, in particular because this results in a temperature at or in the Power electronics 21 can expediently be kept essentially above a dew point temperature.
  • the valve 22 can in particular also be an electrical valve, in particular an electronically controlled and/or regulated valve.
  • the cooling system 100 may include an electronic control and/or regulating device (not shown in the figures).
  • the control and/or regulating device is expediently set up to control and/or regulate the valve 22 and/or the pump 23 depending on at least one of the following: a temperature and/or a humidity of the ambient air of the power electronics 21, one Temperature on or in the power electronics 21, a coolant temperature of the second circuit 20 (e.g. upstream and/or downstream of the power electronics 21), a coolant temperature of the third circuit 30 and/or a coolant temperature of the battery cooling circuit 10.
  • suitable sensors can be used.
  • the control and/or regulating device can, for. B. be set up to carry out an adjustment with at least one dew point curve and / or to keep the coolant temperature for the power electronics 21 in a predetermined temperature range.
  • the control and/or regulating device can, for. B. form part of the power electronics 21 and can therefore preferably be cooled by the second circuit 20.
  • the control and/or regulating device can also be provided in addition to the power electronics 21 and can be decoupled from the second circuit 20.
  • the battery cooling circuit 10 is expediently a closed low-temperature circuit, the cooling medium (in particular glycol-water mixture) e.g. B. is liquid.
  • the cooling medium in particular glycol-water mixture
  • e.g. B. is liquid.
  • the second circuit 20 is expediently a closed high-temperature circuit, the coolant (in particular glycol-water mixture) being, for example, liquid.
  • the coolant in particular glycol-water mixture
  • the third circuit 30 is expediently a closed refrigeration circuit, the (particularly liquid) refrigerant of which undergoes an aggregate change during operation.
  • the cooling system 100 shown in Figure 2 comprises a battery cooling circuit 10 for carrying a (e.g. liquid or gaseous) cooling medium, in particular for cooling a battery device (e.g. rechargeable battery device) 12.
  • the battery device 12 is in particular rechargeable and can e.g. B. serve to supply energy to an electric motor for driving the motor vehicle.
  • the battery cooling circuit 10 is therefore preferably a circuit for cooling a rechargeable battery device 10 (e.g. battery device) and thus in particular forms a battery cooling circuit.
  • the battery cooling circuit 10 also includes a cooling device 11 (e.g. a cooler with a fan) and a pump 13.
  • the cooling medium can e.g. B. be a glycol-water mixture.
  • the battery cooling circuit 10 can also z. B. include an expansion tank 14 (e.g. expansion tank) for the cooling medium of the battery cooling circuit 10.
  • the battery cooling circuit 10 can be in addition to the battery device 12 z. B. include at least one electronic component 15 and be set up to cool the electronic component 15.
  • the electronic component 15 can be, for. B. be control electronics, in particular for controlling the battery device 12.
  • the electronic component 15 can also include a power converter (e.g. inverter), in particular for a motor vehicle air conditioning system.
  • the electronic component 15 is shown as an example between the cooling device 11 and the battery device 12.
  • the electronic component 15 can also z. B. be arranged between the pump 13 and the battery device 12 or at another suitable location.
  • the cooling system 100 also includes a second circuit 20, which is explained in more detail below.
  • the cooling system 100 also includes a third circuit 30 (appropriately a refrigeration circuit).
  • the third circuit 30 can z. B. have a compressor and / or a capacitor, which are summarized schematically in Figure 2 under the reference number 32.
  • the third circuit 30 is thermally connected to the second circuit 20 via a first heat exchanger X1 (e.g. a chiller, in particular evaporator) and thermally connected to the battery cooling circuit 10 via a second heat exchanger connected, preferably so that the third circuit 30 can be used to generate and / or provide cooling power (expediently cold) for the battery cooling circuit 10 and the second circuit 20.
  • a first heat exchanger X1 e.g. a chiller, in particular evaporator
  • the third circuit 30 is expediently integrated between the battery cooling circuit 10 and the second circuit 20.
  • the third circuit 30 includes a first expansion element 33 (e.g. in an expansion valve) for the first heat exchanger X1 and a second expansion element 31 (e.g. in an expansion valve) for the second heat exchanger X2.
  • a first expansion element 33 e.g. in an expansion valve
  • a second expansion element 31 e.g. in an expansion valve
  • the compressor and/or the condenser are expediently operatively connected to the first heat exchanger X1 and its upstream expansion element 33 and expediently with the second heat exchanger X2 and its upstream expansion element 31 are operatively connected.
  • the first heat exchanger X1 and the second heat exchanger X2 are in particular connected in parallel in the third circuit 30.
  • the battery cooling circuit 10 and the third circuit 30 can in principle be z. B. be a conventional battery cooling arrangement. This means that all of the components (in particular compressor and/or condenser) of an active refrigeration circuit required to generate cooling capacity are already present and therefore advantageously do not have to be installed again or possibly even operated electrically.
  • the cooling system 100 includes power electronics 21, preferably at least one control device and/or at least one computer (e.g. at least one chip, processor, etc.), preferably for data processing for autonomous or semi-autonomous driving of the motor vehicle.
  • power electronics 21 preferably at least one control device and/or at least one computer (e.g. at least one chip, processor, etc.), preferably for data processing for autonomous or semi-autonomous driving of the motor vehicle.
  • the second circuit 20 (expediently cooling circuit) serves in particular for cooling the power electronics 21 and/or for coolant temperature control to avoid condensation formation on or in the power electronics 21.
  • the second circuit 20 expediently serves to carry a (e.g. liquid or gaseous) coolant (e.g. glycol-water mixture).
  • the second circuit 20 can z. B. include an expansion tank 50 (e.g. expansion tank) for the coolant of the second circuit 20.
  • an expansion tank 50 e.g. expansion tank
  • the second circuit 20 can include a valve 22 for coolant temperature control to avoid condensation formation on or in the power electronics 21.
  • the valve 22 is preferably a 3-way valve. It can e.g. B. have at least three connections 22.1, 22.2, 22.3 and/or have at least two switching positions and z. B. be designed as a 3/2-way valve. In particular, the valve 22 can be set up to bring together coolant at different temperatures.
  • the second circuit 20 may also have an optional cooling device 24, e.g. B. a cooler with a fan.
  • an optional cooling device 24 e.g. B. a cooler with a fan.
  • the second circuit 20 comprises a first line section A and a second line section B.
  • the first line section A expediently extends upstream of the power electronics 21 between the first heat exchanger X1 and the power electronics 21.
  • the second line section B expediently extends downstream of the power electronics 21 between the power electronics 21 and the first heat exchanger X1 and/or the cooling device 24.
  • the power electronics 21 and the first heat exchanger X1 can therefore z. B. be positioned between the first line section A and the second line section B, so that the first line section A corresponds to a line section upstream of the power electronics 21 and downstream of the first heat exchanger X1 and / or the second line section B corresponds to a line section downstream of the power electronics 21 and upstream of the first Heat exchanger X1 corresponds.
  • a third line section C of the second circuit 20 is set up to form a bypass line and z. B. to connect the second line section B with the valve 22 in order to lead coolant to the valve 22 and/or into the first line section A, bypassing the cooling device 24 and/or the first heat exchanger X1, and preferably back to the power electronics 21.
  • the valve 22 is expediently integrated into the first line section A and the third line section C.
  • the third line section C branches off from the second line section B at a branch point 25.
  • the branch point 25 is downstream of the power electronics 21 and z. B. positioned upstream of the cooling device 24 and/or the first heat exchanger X1.
  • the cooling device 24 is preferably integrated into the second line section B and / or downstream of the branch point 25 and z. B. positioned upstream of the first heat exchanger X1.
  • the second circuit 20 also includes a pump 23, which can expediently be integrated into the first line section A.
  • the pump 23 can z. B. be integrated into the second circuit 20 upstream of the power electronics 21 and downstream of the valve 22 and/or downstream of the first heat exchanger X1.
  • the coolant of the second circuit 20 can in particular absorb heat from the power electronics 21 and use the heat for coolant temperature control to avoid condensation formation on or in the power electronics 21, preferably in combination with coolant cooled by means of the first heat exchanger X1 and/or the cooling device 24.
  • the valve 22 includes a first input 22.1, which is connected to an output of the first heat exchanger X1 by means of a first section A1 of the first line section A.
  • the valve 22 includes a second inlet 22.2, which is connected to the second line section B by means of the third line section C.
  • the valve 22 comprises an output 22.3 in order to supply coolant via a second section A2 of the first line section A depending on valve switching positions for coolant temperature control (expediently warmed up by means of the power electronics 21 and/or cooled by means of the battery cooling circuit 10 and/or the cooling device 24). Power electronics 21 to forward.
  • the first input 22.1 and/or the second input 22.2 and optionally the output 22.3 can z. B. have an open position in which it is completely open, have a closed position in which it is completely closed, and / or have at least an intermediate position in which it is partially opened.
  • the valve 22 can have different switching positions in order to selectively let through coolant heated by the power electronics 21 (expediently by means of the second input 22.2) and coolant cooled by the battery cooling circuit 10 and/or the cooling device 24 (expediently by means of the first input 22.1) for coolant temperature control and/or to block.
  • the valve 22 can z. B. have a switching position in which the first input 22.1 is completely closed and the second input 22.2 is completely or partially open, preferably so that coolant (in particular warmed up by the power electronics 21) between the output 22.3, the power electronics 21 and the second Input 22.2 can circulate, but an inflow of coolant via the first input 22.1 and preferably thus from the cooling device 24 and / or from the first heat exchanger X1 can be prevented.
  • the valve 22 can z. B. have a switching position in which the first input 22.1 is partially open and the second input 22.2 is completely or partially open, preferably so that coolant (in particular warmed up by the power electronics 21) between the output 22.3, the power electronics 21 and the second Input 22.2 can circulate, but also an inflow of coolant (in particular cooled by means of the battery cooling circuit 10 and / or the cooling device 24) via the first input 22.1 and preferably thus from the cooling device 24 and / or the first heat exchanger X1 is permitted.
  • This can z. B.
  • a circulation mode can be made possible, which includes the power electronics 21, the valve 22 (namely preferably the first at least partially open input 22.1 and the second at least partially open input 22.2) and the cooling device 24 and / or the first heat exchanger X1 and z.
  • the pump 23 includes.
  • the valve 22 can z. B. have a switching position in which the first input 22.1 is completely open, preferably in such a way that coolant (in particular cooled by means of the battery cooling circuit 10 and / or the cooling device 24) circulates between the output 22.3, the power electronics 21 and the first input 22.1, and in which the second entrance 22.2 is completely closed or is only partially and/or intermittently opened.
  • B. includes the pump 23, preferably with the second input 22.2 essentially closed.
  • the valve 22 can z. B. be a thermostat valve and / or a self-adjusting valve for coolant temperature control.
  • the valve 22 can z. B. be a non-electronically controlled and / or regulated valve.
  • the valve 22 can in particular comprise an expansion material or expansion fluid that reacts to temperature fluctuations, preferably in order to influence a coolant flow.
  • the valve 22 can z. B. be set up for fixed temperature control in order to keep the coolant temperature for the power electronics 21 in a predetermined temperature range.
  • the pump 23 can be set up, for example. B. for coolant temperature control to avoid condensation formation on or in the power electronics 21, to change a coolant heat flow or coolant volume flow, preferably to optionally increase and / or reduce.
  • cooling and/or cooling power for the second circuit 20, in particular including the battery cooling circuit 10 and/or the third circuit 30.
  • the second circuit 20, the valve 22 and/or the pump 23 it is particularly possible for the second circuit 20, the valve 22 and/or the pump 23 to be set up for coolant temperature control in order to avoid condensation formation on or in the power electronics 21, in particular because this results in a temperature at or in the Power electronics 21 can expediently be kept essentially above a dew point temperature.
  • the valve 22 can in particular also be an electrical valve, in particular an electronically controlled and/or regulated valve.
  • the cooling system 100 may include an electronic control and/or regulating device (not shown in the figures).
  • the control and/or regulating device is expediently set up to control and/or regulate the valve 22 and/or the pump 23 depending on at least one of the following: a temperature and/or a humidity of the ambient air of the power electronics 21, one Temperature on or in the power electronics 21, a coolant temperature of the second circuit 20 (e.g. upstream and/or downstream of the power electronics 21), a coolant temperature of the third circuit 30 and/or a coolant temperature of the battery cooling circuit 10.
  • suitable sensors can be used.
  • the control and/or regulating device can, for. B. be set up to carry out an adjustment with at least one dew point curve and / or to keep the coolant temperature for the power electronics 21 in a predetermined temperature range.
  • the control and/or regulating device can, for. B. form part of the power electronics 21 and can therefore preferably be cooled by the second circuit 20.
  • the control and/or regulating device can also be provided in addition to the power electronics 21 and can be decoupled from the second circuit 20.
  • the battery cooling circuit 10 is expediently a closed low-temperature circuit, the cooling medium (in particular glycol-water mixture) e.g. B. is liquid.
  • the second circuit 20 is expediently a closed high-temperature circuit, the coolant (in particular glycol-water mixture) being, for example, liquid.
  • the third circuit 30 is expediently a closed refrigeration circuit, the (particularly liquid) refrigerant of which undergoes an aggregate change during operation.
  • Cooling device preferably cooler with fan
  • Cooling device preferably cooler with fan
  • a first line section preferably upstream of the power electronics and downstream of the first heat exchanger and/or the cooling device 24
  • B second line section preferably downstream of the power electronics and upstream of the first heat exchanger and / or the cooling device 24 C third line section, preferably bypass line to bypass the cooling device 24 and/or the first heat exchanger
  • X1 first heat exchanger preferably chiller
  • X2 second heat exchanger preferably chiller

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un système de refroidissement (100), de préférence pour un véhicule automobile, comprenant un circuit de refroidissement de batterie (10) pour refroidir un dispositif de batterie (12) et comprenant une électronique de puissance (21), de préférence pour traiter des données pour une conduite autonome ou partiellement autonome du véhicule automobile. Le système de refroidissement (100) comprend un second circuit (20) dans lequel l'électronique de puissance (21) est intégrée et qui est conçu pour refroidir l'électronique de puissance (21) et/ou pour réguler la température du fluide de refroidissement afin d'empêcher la formation de condensation sur ou dans l'électronique de puissance (21). L'invention concerne également un procédé correspondant.
PCT/EP2023/071497 2022-08-12 2023-08-03 Système de refroidissement destiné à refroidir une électronique de puissance et/ou à réguler la température d'un fluide de refroidissement WO2024033202A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102022120420.0A DE102022120420A1 (de) 2022-08-12 2022-08-12 Kühlsystem zum Kühlen einer Leistungselektronik und/oder zur Kühlmitteltemperierung
DE102022120410.3A DE102022120410A1 (de) 2022-08-12 2022-08-12 Kühlsystem zum Kühlen einer Leistungselektronik und/oder zur Kühlmitteltemperierung
DE102022120420.0 2022-08-12
DE102022120410.3 2022-08-12

Publications (1)

Publication Number Publication Date
WO2024033202A1 true WO2024033202A1 (fr) 2024-02-15

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Application Number Title Priority Date Filing Date
PCT/EP2023/071497 WO2024033202A1 (fr) 2022-08-12 2023-08-03 Système de refroidissement destiné à refroidir une électronique de puissance et/ou à réguler la température d'un fluide de refroidissement

Country Status (1)

Country Link
WO (1) WO2024033202A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017120164A1 (de) * 2017-09-01 2019-03-07 Benteler Automobiltechnik Gmbh Thermomanagementsystem für ein Elektrokraftfahrzeug

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017120164A1 (de) * 2017-09-01 2019-03-07 Benteler Automobiltechnik Gmbh Thermomanagementsystem für ein Elektrokraftfahrzeug

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