EP4646333A1 - Systeme de gestion thermique pour vehicule - Google Patents
Systeme de gestion thermique pour vehiculeInfo
- Publication number
- EP4646333A1 EP4646333A1 EP23817771.1A EP23817771A EP4646333A1 EP 4646333 A1 EP4646333 A1 EP 4646333A1 EP 23817771 A EP23817771 A EP 23817771A EP 4646333 A1 EP4646333 A1 EP 4646333A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat transfer
- transfer fluid
- circulation
- thermal management
- branch
- 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.)
- Pending
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 devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
-
- 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 devices
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
-
- 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
- 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 devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H2001/00307—Component temperature regulation using a liquid flow
Definitions
- the present invention relates to a thermal management system for a vehicle.
- the vehicle may be land, sea or air.
- the invention aims in particular at such an aim.
- the subject of the invention is thus a thermal management system for a vehicle, comprising:
- this first heat transfer fluid circulation loop configured to ensure thermal management of a first assembly which notably comprises an electric motor and/or power electronics associated with this electric motor
- this first heat transfer fluid circulation loop comprising: o a first heat transfer fluid circulation branch on which is placed a first cooling radiator, in particular placed on a front face of the vehicle, configured to allow the heat transfer fluid which passes through this first cooling radiator to be cooled, o a second branch circulation of heat transfer fluid on which is placed a first heat exchanger configured to allow the heat transfer fluid to exchange thermally, within this heat exchanger, with another heat transfer fluid, in particular a refrigerant fluid, of a vehicle air conditioning device,
- this second heat transfer fluid circulation loop configured to ensure thermal management of a second assembly which notably comprises a battery capable of electrically powering the first assembly
- this second heat transfer fluid circulation loop comprising: o a first branch of circulation of heat transfer fluid on which is placed a second cooling radiator, in particular placed on a front face of the vehicle, configured to allow cooling of the heat transfer fluid which passes through this second cooling radiator, o a second branch of circulation of heat transfer fluid on which is placed a second heat exchanger configured to allow the heat transfer fluid to exchange thermally, within this heat exchanger, with another heat transfer fluid, in particular a refrigerant fluid, of an air conditioning device of the vehicle,
- 6-way valve fluidly connected to the first and second branches respectively of the first and second heat transfer fluid circulation loops, this 6-way valve being capable of taking four angular positions in order to operate, selectively according to one of the four combinations possible, one of the two branches of one of the loops at the same time as one of the two branches of the other of the loops.
- the invention makes it possible, for example, to have a grouping of several fluid functions of a heat pump. [8] The invention also makes it possible to avoid having to resort to additional tubing/pipes to fluidly connect different components together.
- Thermal management can cool or, in some cases, heat certain components, for example the battery.
- the 6-way valve is configured to take a first angular position in which the first branch of both the first loop and the second heat transfer fluid circulation loop are used for the circulation of heat transfer fluid so as to cool the heat transfer fluid by the cooling radiators.
- the 6-way valve is configured to take a second angular position in which the first branch of the first heat transfer fluid circulation loop is used for the circulation of heat transfer fluid. so as to cool the heat transfer fluid by the first cooling radiator, and the second branch of the second heat transfer fluid circulation loop is used for the circulation of heat transfer fluid so as to cool the heat transfer fluid by the second heat exchanger.
- the first and second assemblies can be cooled using two different types of heat exchange, one with the first cooling radiator and the other with the second heat exchanger.
- the 6-way valve is configured to take a third angular position in which the second branch of both the first loop and the second heat transfer fluid circulation loop are used for the circulation of heat transfer fluid so as to cool the heat transfer fluid by the respective heat exchanger.
- the 6-way valve is configured to take a fourth angular position in which the second branch of the first heat transfer fluid circulation loop is used for the circulation of heat transfer fluid. so as to cool the heat transfer fluid by the first heat exchanger, and the first branch of the second heat transfer fluid circulation loop is used for the circulation of heat transfer fluid so as to cool the heat transfer fluid by the second cooling radiator.
- the first and second branches share a common section on which a pump is placed, in particular an electric pump, configured to circulate the heat transfer fluid in one or the other of the branches , depending on the angular position of the 6-way valve.
- one of the two pumps of the two loops can be stopped, or both pumps can be stopped, so as to block the circulation of fluid heat transfer in the loop concerned by the pump when stopped.
- the first and second sets can be cooled using the two heat exchangers of the two loops.
- the first and second cooling radiators are two separate radiators.
- the first and second cooling radiators are two parts, in particular two halves, of a single radiator.
- the first and second cooling radiators are formed by the same cooling radiator.
- the first and second heat exchangers are two separate heat exchangers.
- the first and second heat exchangers are two parts, in particular two halves, of a single heat exchanger.
- the first and second heat exchangers are formed by the same heat exchangers.
- the 6-way valve comprises a housing and a wheel rotatably placed in the housing, and the housing comprises six heat transfer fluid inlet/outlet openings defining the 6 ways of the 6-way valve.
- the wheel is rotatable so as to be able to take the first, second, third and fourth angular positions.
- the six heat transfer fluid inlet/outlet openings are grouped into two groups, each group being dedicated to one of the loops.
- the two groups are arranged in mirror symmetry of each other by a plane of symmetry which contains the axis of rotation of the 6-way valve.
- each group the three entry/exit openings are arranged, two by two, with an angle between them of 34°.
- This angle value can be different, depending on needs.
- the wheel of the 6-way valve comprises four chambers arranged around the axis of rotation of the 6-way valve, these chambers being separated in pairs by a partition , and each being arranged to cause two heat transfer fluid inlet/outlet openings to communicate with each other, as a function of the angular position.
- these partitions are separated angularly two by two, by angles respectively of 1 12°, 86°, 76° and 86°, when one goes around the wheel.
- these partitions are formed by a central core of the wheel.
- the thermal management system is configured to rotate the wheel 'an angle of +180° to move from the first position to the third position, an angle of +1 12° to move from the first position to the second position and an angle of -1 12° to move from the first position to the fourth position.
- the first branch of each loop communicates with an expansion tank.
- the two expansion tanks are made on a body, in particular in one piece, in particular by two tanks formed on this body.
- the two expansion tanks allow heat transfer fluid loaded with air bubbles to be freed from air bubbles.
- the two tanks are separated by a partition, in particular from the one-piece body.
- the body comprises a plate forming a seat for a pump, in particular a seat with a volute for the pump.
- the 6-way valve is mounted on this plate.
- fluid circulation channels are formed between this plate and an additional plate which are applied against each other in a sealed manner.
- the body and the components with fluidic function such as pumps and the 6-way valve, mounted on the body, form a module.
- the invention makes it possible to have a module integrating different functions and which is compact.
- the invention also relates to a heat pump, in particular on-board a vehicle, comprising a thermal management system as mentioned above, and in particular integrated with a vehicle interior air conditioning circuit.
- the heat pump is notably of the direct type.
- the invention also relates to a thermal management method, using a thermal management system comprising:
- this first heat transfer fluid circulation loop configured to ensure thermal management of a first assembly which notably comprises an electric motor and/or power electronics associated with this electric motor
- this first heat transfer fluid circulation loop comprising: o a first heat transfer fluid circulation branch on which is placed a first cooling radiator, in particular placed on a front face of the vehicle, configured to allow the heat transfer fluid which passes through this first cooling radiator to be cooled, o a second branch circulation of heat transfer fluid on which is placed a heat exchanger configured to allow the heat transfer fluid to exchange, within this heat exchanger, calories with another heat transfer fluid, in particular a heat transfer fluid, for example a refrigerant fluid, a vehicle air conditioning system,
- a heat transfer fluid for example a refrigerant fluid, a vehicle air conditioning system
- this second heat transfer fluid circulation loop comprising: o a first heat transfer fluid circulation branch on which is placed a second cooling radiator, in particular placed on a front face of the vehicle, configured to allow cooling of the heat transfer fluid which passes through this second cooling radiator, o a second heat transfer fluid circulation branch on which is placed a heat exchanger configured to allow the heat transfer fluid to exchange, within this heat exchanger, calories with another heat transfer fluid , in particular a heat transfer fluid, for example a refrigerant fluid, of a vehicle air conditioning device,
- thermo management process comprising the following step:
- FIG. 1 illustrates, schematically and partially, a thermal management system according to an exemplary embodiment of the invention, for a first angular position of the valve;
- FIG. 4 illustrates, schematically and partially, the thermal management system of [Figure 1], for a third angular position of the valve and another mode of operation;
- FIG. 5 illustrates, schematically and partially, the thermal management system of [Figure 1], for a third angular position of the valve and yet another mode of operation;
- FIG. 1 to 6 illustrate different operating methods of a thermal management system.
- thick dotted lines represent the circulation of heat transfer fluid.
- a thermal management system 1 for a motor vehicle comprising: - a first heat transfer fluid circulation loop 100, configured to ensure thermal management of a first assembly 101 which comprises an electric motor and/or power electronics associated with this electric motor, this first heat transfer fluid circulation loop 100 comprising: o a first branch 1 10 for circulation of heat transfer fluid on which is placed a first cooling radiator 1 11, placed on a front face of the vehicle, configured to allow cooling of the heat transfer fluid which passes through this first cooling radiator 1 11, o a second branch 120 for circulation of heat transfer fluid on which is placed a first heat exchanger 121, also called "chiller" in English, configured to allow the heat transfer fluid to exchange thermally, within this heat exchanger heat 121, with another heat transfer fluid, here a refrigerant fluid, of an air conditioning device 150, with an HVAC, of the vehicle,
- this second heat transfer fluid circulation loop 200 configured to ensure thermal management of a second assembly 201 which comprises a battery capable of electrically powering the first assembly 101, this second heat transfer fluid circulation loop 200 comprising: o a first branch 210 for circulation of heat transfer fluid on which is placed a second cooling radiator 21 1, placed on a front face of the vehicle, configured to allow cooling of the heat transfer fluid which passes through this second cooling radiator 211, o a second branch 220 for circulation of heat transfer fluid on which is placed a second heat exchanger 221, or "chiller" in English, configured to allow the heat transfer fluid to exchange thermally, within this heat exchanger 221, with another fluid heat transfer fluid, here the refrigerant, of the air conditioning device of the vehicle 150,
- 6-way valve 300 fluidly connected to the first and second branches respectively 1 10, 210 and 210, 220 of the first and second heat transfer fluid circulation loops 100 and 200, this 6-way valve 300 being capable of taking four angular positions POS1, POS2, POS3 and POS4 in order to operate, selectively according to one of the four possible combinations POS1, POS2, POS3 and POS4, one of the two branches of one of the loops at the same time as one of the two branches of the other of the loops, as will be described below.
- HVAC Heating, Ventilating and Air Conditioning
- the heat transfer fluid circulating in the first and second loops 100 and 200 is here glycol water.
- the refrigerant fluid in the air conditioning device 150 is chosen from an R134a, R1234yf or R744 fluid.
- the exchangers 121 and 221 are of the plate or tube type, in particular mini-channel tubes, forming evaporation exchangers, also called "chiller" in English.
- the cooling radiators 1 1 1 and 211 comprise tubes in which the heat transfer fluid circulates and between which a moving air flow makes it possible to cool the tubes, and therefore the heat transfer fluid.
- the thermal management system 1 is part of a heat pump, on board the vehicle.
- the heat pump is for example of the direct type.
- the assembly 201 may include, in addition to the battery, an electric heating device for heating the heat transfer fluid.
- each heat transfer fluid circulation loop 100 and 200 the first and second branches 1 10 and 120, respectively 210 and 220, share a common section 140, respectively 240, on which is placed an electric pump 141, respectively 241 , configured to circulate the heat transfer fluid in one or the other of branches 1 10 and 120, respectively 210 and 220, depending on the angular position of the 6-way valve 300.
- the 6-way valve 300 is configured to take a first angular position POS1 in which the first branch 1 10 and 210 of both the first loop 100 and the second loop 200 of circulation of heat transfer fluid are used for the circulation of heat transfer fluid so as to cool the heat transfer fluid by the cooling radiators 1 1 1 and 21 1.
- These fluid circulations, for the first angular position POS1, are illustrated in Figure 1.
- the 6-way valve 300 is configured to take a second angular position POS2 illustrated in Figure 2, in which the first branch 1 10 of the first heat transfer fluid circulation loop 100 is used for the circulation of heat transfer fluid so as to cool the heat transfer fluid by the first cooling radiator 1 11, and the second branch 220 of the second heat transfer fluid circulation loop 200 is used for the circulation of heat transfer fluid so as to cool the heat transfer fluid by the second heat exchanger. heat 221 .
- the first and second assemblies 101 and 201 can be cooled using two different types of heat exchange, one with the first cooling radiator 111 and the other with the second heat exchanger 221.
- the air conditioning device 150 can be turned on to air condition the passenger compartment, or not be used for air conditioning of the passenger compartment.
- the 6-way valve is configured to take a third angular position POS3 illustrated in Figure 3, and the second branch 120, 220 of both the first loop 100 and the second loop 200 of circulation of heat transfer fluid are used for the circulation of heat transfer fluid so as to cool the heat transfer fluid by the respective heat exchanger 121, 221.
- the two pumps 141 and 241 are put into operation so that heat transfer fluid circulates in the second branches 120, 220 of the two loops 100, 200.
- the 6-way valve 300 When the 6-way valve 300 is in the third angular position POS3, it is possible to activate the heating of the passenger compartment by the direct heat pump including a front evapo-condenser, not shown, configured to recover calories from the ambient air, and an internal condenser (not shown) of the HVAC is then used to send hot air into the cabin. Furthermore, in the operating mode of Figure 3, the second branch 120 and 220 allow recovery of the thermal energy from the traction assembly 101, here the electric motor and power electronics, and from the battery 201.
- the 6-way valve 300 is configured to take a fourth angular position POS4 (illustrated in Figure 6) in which the second branch 120 of the first heat transfer fluid circulation loop 100 is used for the circulation of heat transfer fluid. so as to cool the heat transfer fluid by the first heat exchanger 121, and the first branch 210 of the second heat transfer fluid circulation loop 200 is used for the circulation of heat transfer fluid so as to cool the heat transfer fluid by the second cooling radiator 21 1 .
- the first and second cooling radiators 111 and 211 are two separate radiators.
- the first and second heat exchangers 121 and 221 are two separate heat exchangers.
- the 6-way valve 300 comprises a housing 301 formed on a body 350 and a wheel 302 rotatably placed in the housing 301.
- the housing 301 includes six inlet/outlet openings 310 of heat transfer fluid defining the 6 ways of the 6-way valve 300, which are fluidly connected to the four branches 110, 120, 210 and 220, forming four inlets of valve and two valve outlets.
- the wheel 302 is rotatable so as to be able to take the first, second, third and fourth angular positions POS1, POS2, POS3 and POS4.
- the six inlet/outlet openings 310 of heat transfer fluid are grouped into two groups, each group being dedicated to one of the loops 100, 200.
- the two groups of apertures 310 are arranged in mirror symmetry of each other by a plane of symmetry PS which contains the axis of rotation X of the 6-way valve 300.
- This angle value may be different, depending on the design.
- the wheel 302 of the 6-way valve 300 comprises four chambers 312 arranged around the axis of rotation each to communicate with each other two inlet/outlet openings 310 of heat transfer fluid, as a function of the angular position. [99] These partitions 314 are separated angularly two by two, by angles respectively of 112°, 86°, 76° and 86°, when going around the wheel, as shown in Figure 12.
- the thermal management system 1 is configured to rotate the wheel through an angle of +180° for move from the first position POS1 to the third position POS3, by an angle of +112° to move from the first position POS1 to the second position POS2 and by an angle of -112° to move from the first position POS1 to the fourth position POS4.
- the body 350 of the one-piece type comprises a plate 351 forming a seat 352 with a volute 353 for each of the pumps 141 and 241.
- the housing 301 of the 6-way valve 300 is formed on this plate 351.
- the 6-way valve 300 is associated with an electric actuator.
- Fluid circulation channels 355 are formed between this plate 351 and an additional plate 356 which are applied against each other in a sealed manner.
- the body 350 and the plate 356 include fluid connection tips 360 for connecting the branches 110, 120, 210 and 220.
- the body 350 and the components with a fluidic function, here the pumps 141 and 241, and the 6-way valve 300, mounted on the body 350 form a compact module which can easily be integrated into the vehicle.
- the two expansion tanks 130 and 230 are made on the one-piece body 350, by two tanks 131 and 231.
- the two tanks 131 and 231 are separated by a partition 357, in particular from the one-piece body 350.
- a cover 361 is provided to close the two tanks 131 and 231.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2300006A FR3144548B1 (fr) | 2023-01-02 | 2023-01-02 | Système de gestion thermique pour véhicule |
| PCT/EP2023/084397 WO2024146729A1 (fr) | 2023-01-02 | 2023-12-05 | Systeme de gestion thermique pour vehicule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4646333A1 true EP4646333A1 (fr) | 2025-11-12 |
Family
ID=85685198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23817771.1A Pending EP4646333A1 (fr) | 2023-01-02 | 2023-12-05 | Systeme de gestion thermique pour vehicule |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4646333A1 (fr) |
| CN (1) | CN120418105A (fr) |
| FR (1) | FR3144548B1 (fr) |
| WO (1) | WO2024146729A1 (fr) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102530943B1 (ko) * | 2018-07-25 | 2023-05-11 | 현대자동차주식회사 | 차량의 열관리 시스템 |
| KR102869061B1 (ko) * | 2020-07-01 | 2025-10-10 | 현대자동차 주식회사 | 차량용 히트펌프 시스템 |
| CN115139736B (zh) * | 2022-06-09 | 2025-04-08 | 浙江零跑科技股份有限公司 | 一种集成水壶 |
| CN115042587B (zh) * | 2022-06-24 | 2024-05-14 | 智己汽车科技有限公司 | 一种整车热管理系统 |
| CN115107457B (zh) * | 2022-06-24 | 2025-09-19 | 广汽埃安新能源汽车股份有限公司 | 基于多通阀的热管理系统及电动装置 |
-
2023
- 2023-01-02 FR FR2300006A patent/FR3144548B1/fr active Active
- 2023-12-05 EP EP23817771.1A patent/EP4646333A1/fr active Pending
- 2023-12-05 CN CN202380090189.5A patent/CN120418105A/zh active Pending
- 2023-12-05 WO PCT/EP2023/084397 patent/WO2024146729A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024146729A1 (fr) | 2024-07-11 |
| FR3144548A1 (fr) | 2024-07-05 |
| FR3144548B1 (fr) | 2024-11-15 |
| CN120418105A (zh) | 2025-08-01 |
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