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
  • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
  • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
  • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
  • F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
  • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
  • F01P3/00—Liquid cooling
  • F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
  • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
  • F01P5/00—Pumping cooling-air or liquid coolants
  • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
  • F01P5/06—Guiding or ducting air to, or from, ducted fans
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F28—HEAT EXCHANGE IN GENERAL
  • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
  • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
  • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
  • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
  • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
  • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
  • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
  • F01P3/00—Liquid cooling
  • F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
  • F01P2003/182—Arrangements or mounting of liquid-to-air heat-exchangers with multiple heat-exchangers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
  • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
  • F01P3/00—Liquid cooling
  • F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
  • F01P2003/187—Arrangements or mounting of liquid-to-air heat-exchangers arranged in series
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
  • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
  • F01P2025/00—Measuring
  • F01P2025/08—Temperature
  • F01P2025/52—Heat exchanger temperature

Definitions

• the field of the present invention relates to thermal regulation systems intended for motor vehicles, and more particularly to thermal regulation systems intended to be integrated into the front face of such vehicles.
• thermal regulation systems intended for the thermal treatment of their engine, their passenger compartment, and possibly other components of this vehicle.
• these thermal regulation systems include one or more heat exchangers in which a fluid circulates, for example a refrigerant or a heat transfer fluid, capable of exchanging calories with a flow of air passing through these heat exchangers.
• these heat exchangers are generally arranged on the front of the vehicle, that is to say in front of the engine compartment of this vehicle.
• the air flow intended to pass through the heat exchangers is generated at least partially by the movement of the vehicle.
• These thermal regulation systems can also include a ventilation device which makes it possible to force the supply of air, for example when the vehicle is stationary.
• thermal regulation in which at least two heat exchangers can be, depending on the operating cases of the regulation system, crossed by fresh air, that is to say air which has not passed through any other heat exchanger in upstream, while presenting an acceptable sizing given the location on the front face of this thermal regulation system.
• An object of the present invention thus relates to a regulation system
• the thermal regulation system comprising at least a first heat exchanger and at least a second heat exchanger arranged in series, the first heat exchanger extending mainly along a first plane intersecting a second plane along which s '' mainly extends the second heat exchanger so as to generate an approach of the first heat exchanger with respect to the second heat exchanger at a respective first end of the two heat exchangers and a distance of the first heat exchanger with respect to the second heat exchanger at a respective second end of these two heat exchangers.
• each heat exchanger has at least a first end and at least a second end, a first distance measured between the first ends of the first heat exchanger and of the second heat exchanger being less than a second distance measured between the second ends of the first heat exchanger and of the second heat exchanger, the first distance and the second distance being measured in two parallel directions.
• first heat exchanger and the second heat exchanger are arranged in the shape of a V without departing from the context of the invention, that is to say that, according to this alternative, the first distance measured between the first ends of the first heat exchanger and the second heat exchanger is greater than the second distance measured between the second ends of the first heat exchanger and the second heat exchanger.
• At least one ventilation device is arranged at the respective second end of the two heat exchangers, between the first heat exchanger and the second heat exchanger.
• this ventilation device is configured to generate at least one main air flow, a first part of which is intended to pass through the first heat exchanger and a second part of which is intended to pass through the second heat exchanger.
• the first heat exchanger and the second heat exchanger being arranged substantially in a V, it is understood that the ventilation device generates a first air flow which passes through the first heat exchanger and a second air flow which passes through the second heat exchanger, this first air flow and this second air flow forming, jointly, the main air flow.
• the ventilation device is controlled so that the first part intended to pass through the first heat exchanger and the second part intended to pass through the second heat exchanger meet between the first and second heat exchangers to form the main air flow intended to pass through at least the ventilation device.
• this ventilation device generates the flow main air by suction.
• the ventilation device is controlled so that the first part intended to pass through the first heat exchanger and the second part intended to pass through the second heat exchanger result from the separation, between the first and second heat exchangers, of the air flow main generated by the ventilation device. According to this alternative, the ventilation device then generates the main air flow by blowing.
• the thermal regulation system may further comprise at least one ventilation member associated with the first and / or the second heat exchanger and configured to increase the quantity of air supplied to pass through the minus one of the heat exchangers.
• this ventilation member participates in generating, together with the ventilation device, the first air flow and / or the second air flow intended to pass through the first heat exchanger and / or the second heat exchanger.
• the presence of a ventilation unit can be chosen according to the thermal power required for the first heat exchanger compared to the thermal power required for the second heat exchanger.
• the first heat exchanger when the first heat exchanger must perform greater heat exchanges than the second heat exchanger, it requires a larger supply of fresh air than the second heat exchanger so that one will preferentially choose to position the ventilation member upstream of this first heat exchanger.
• the thermal regulation system according to the invention can be devoid of this ventilation member and then only include the ventilation device configured to generate the main air flow composed of the first air flow intended to pass through the first exchanger thermal and the second air flow intended to pass through the second heat exchanger.
• thermal regulation comprises at least a third heat exchanger arranged between the first heat exchanger and the second exchanger thermal, at the respective second end of the first and second heat exchangers, the three heat exchangers defining between them an internal volume through which the air flow (s) passing through the heat exchangers is made to pass.
• the main air flow generated by the ventilation device is intended to pass through at least the first heat exchanger, the second heat exchanger and the third heat exchanger. More precisely, the first air flow passes through the first heat exchanger, the second air flow passes through the second heat exchanger and the third heat exchanger is itself crossed by the first air flow and by the second air flow. air after these have passed through the first heat exchanger and the second heat exchanger, respectively.
• the first heat exchanger and the second heat exchanger are both supplied with fresh air while the third heat exchanger is supplied with partially heated air as it passes through the first heat exchanger or the second heat exchanger.
• thermal regulation system according to this exemplary embodiment has improved thermal performance compared to the thermal regulation system which comprises only two heat exchangers.
• the ventilation device is arranged opposite the third heat exchanger, outside the internal volume defined by the three heat exchangers.
• the ventilation device is configured and controlled to generate the main air flow by suction or by blowing depending on the desired direction of circulation of the main air flow.
• the thermal regulation system comprising three
• heat exchangers can also comprise a ventilation member as described above, that is to say that this thermal regulation system may then include a ventilation member arranged upstream of the first heat exchanger or upstream of the second exchanger thermal.
• this ventilation member will be produced for the same reasons as mentioned above.
• the first and second heat exchangers are configured so as to have a sealed junction at their respective first end.
• this sealed junction is provided at the respective end of the
• this sealed junction can be achieved by contact between the first heat exchanger and the second heat exchanger.
• a closure element is arranged between this first heat exchanger and this second heat exchanger.
• this sealed junction makes it possible to avoid air loss and thus to maximize the thermal efficiency of the thermal regulation system according to the invention.
• the thermal regulation system can also share
• heat exchangers may be traversed by part of a main air flow, in particular generated by controlling a ventilation device when the vehicle is stationary.
• FIG. 6 schematically illustrates the thermal regulation system according to a variant of the second exemplary embodiment of the present invention illustrated in [ Figure 4] and in [ Figure 5], [ Figure 6] illustrating a situation in which the vehicle is stationary.
• upstream and downstream refer to a direction of circulation of a main air flow, a first air flow or a second air flow. air intended to pass through a first heat exchanger and / or a second heat exchanger and / or a third heat exchanger. According to the invention, the first air flow and the second air flow jointly participate in forming the main air flow.
• the thermal regulation system 100 comprises at least a first heat exchanger 110 and at least a second heat exchanger 120 arranged in series.
• the first heat exchanger 110 and the second heat exchanger 120 comprise at least one heat exchange zone in which a fluid circulates, for example a refrigerant or a heat transfer fluid, configured to exchange heat with a flow of air passing through this heat exchange zone.
• the first heat exchanger 110 and the second heat exchanger 120 are for example arranged on two separate cooling loops, each intended for cooling particular components of the vehicle. Alternatively, provision could be made for the first heat exchanger 110 and the second heat exchanger 120 to be arranged on a single cooling loop, that is to say that, according to this alternative, the first heat exchanger 110 and the second exchanger thermal 120 are dedicated to cooling the same components.
• the two heat exchangers are arranged so as not to be arranged parallel to each other.
• the first heat exchanger 1 10 extends so that it is centered, in a longitudinal and vertical plane as illustrated in [Figure 1], on a first axis shown in [ Figure 1] by the axis P1.
• the second heat exchanger 120 extends so that it is centered, in the same longitudinal and vertical plane illustrated in [Figure 1], on a second axis shown in [ Figure 1] by the axis P2. It is understood that the two heat exchangers extend substantially perpendicular to the longitudinal direction, that is to say in the direction
• a first plane P1 can be defined defining the position of the first heat exchanger and a second plane P2 defining the position of the second heat exchanger.
• the first plane P1 and the second plane P2 intersect.
• a first distance d1 measured between the first end 1 1 1 of the first heat exchanger 1 10 and the first end 121 of the second heat exchanger 120 is less than a second distance d2 measured between the second end 1 12 of the first heat exchanger 110 and the second end 122 of the second heat exchanger 120, this first distance d1 and this second distance d2 being measured according to two parallel lines.
• a shutter element 140 is arranged between the second ends 1 12,
• this closure element 140 is movable between a closed position in which it closes the internal volume 101 of the thermal regulation system 100 and an open position in which it leaves this internal volume 101 accessible.
• this element d 'shutter 140 may be a movable shutter whose closed position is for example illustrated in [ Figure 1] and whose open position is for example illustrated in [ Figure 2]
• a sealed junction 102 is further formed between the first end 1 1 1 of the first heat exchanger 110 and the first end 121 of the second heat exchanger 120 so as to avoid any loss of air.
• this sealed junction 102 is produced by contact, that is to say that the first end 1 1 1 of the first heat exchanger 1 10 is in contact with the first end 121 of the second heat exchanger 120
• the first heat exchanger 110 and the second heat exchanger 120 are arranged in an inverted V, with the first ends of the heat exchangers in contact with each other which are arranged vertically above the second ends of the heat exchangers.
• this is only an exemplary embodiment and that these heat exchangers 1 10, 120 could, alternatively, be arranged in a V without departing from the context of the present invention.
• the bringing together of the first heat exchanger relative to the second heat exchanger could be achieved at their respective second end and the distance of the first heat exchanger relative to the second heat exchanger could be achieved at their respective first end without harm the invention.
• the embodiment also comprises at least one ventilation device 160 arranged at the respective second end 1 12, 122 of the first heat exchanger 110 and of the second heat exchanger 120.
• the ventilation device 160 is more particularly arranged between the second end 1 12 of the first heat exchanger 1 10 and the second end 122 of the second heat exchanger 120, and so as to be disposed outside the internal volume 101 of the regulation system 100.
• the regulation system 100 here comprises a third air duct 182 arranged at the second ends of the heat exchangers, so as to allow the introduction or extraction of air from the internal volume 101 defined by the two exchangers. thermal and the shutter element as defined above.
• the ventilation device 160 is arranged in the third air duct 182 and it should be noted that the representation here is schematic in that this ventilation device could be arranged in another position in the third air duct. 182, and in particular in a position further away from second ends of the heat exchangers so as to allow the pivoting of the shutter element between the closed position and the open position in which respectively the shutter element prevents and allows the passage of air between the internal volume 101 and the third air duct 182.
• FIG. 1 illustrates a situation in which the vehicle on which the thermal regulation system 100 according to the invention is integrated is in the rolling phase.
• the movement of the vehicle generates an air flow FA which enters the vehicle via the front face 200, passes through the first heat exchanger 1 10 via the first air duct 180, then passes through the second heat exchanger 120 before leaving the thermal regulation system 100 by borrowing the second air duct 181.
• the air flow entering through the front face successively passes through the two heat exchangers arranged in series.
• the term “passes through the first / second heat exchanger” here means the fact that the air flow in question passes through the heat exchange zone of the heat exchanger concerned and exchanges calories with the fluid circulating in this zone. heat exchange as mentioned above.
• the thus cooled fluid is then able to continue the cooling loop on which the heat exchanger in question is arranged in order to cool the various components arranged on this cooling loop.
• FIG. 2 illustrates for its part a situation in which the vehicle integrating the thermal regulation system 100 according to the invention is stationary, but has a significant cooling requirement. Such a situation is observed, for example, in electric or hybrid vehicles when an electrical energy storage device intended to supply, at least partially, a drive motor of the vehicle is in the rapid charging phase.
• the term “rapid charging phase” is understood to mean a phase during which a large quantity of electrical energy is sent to this electrical energy storage device, in a very short time. This results in a heating of this electrical energy storage device which aims to be mitigated by improving the increased thermal performance of the thermal regulation system according to the invention, as the description which follows teaches.
• the ventilation device 160 can be turned on and the shutter element 140 can pass into its open position.
• the ventilation device 160 is here configured to operate in suction mode, so as to generate on the one hand a first flow of air FA1 from the first air duct 180 and intended to pass through the first heat exchanger 110, and d 'on the other hand a second air flow FA2 coming from the second air duct 181 and intended to pass through the second heat exchanger 120, this first air flow FA1 and this second air flow FA2 joining together, according to the example illustrated here, in the internal volume 101 of the thermal regulation system to form a main air flow FAp which can then be evacuated via the passage formed between the two heat exchangers and here released by the open position of the element of shutter 140.
• the main air flow FAp is subsequently evacuated out of the vehicle through the third air duct 182.
• the present invention therefore enables the first heat exchanger 110 and the second heat exchanger 120, by virtue of their relative positions , of both be traversed by fresh air.
• the temperature difference between the air which passes through, respectively, the heat exchange zone of the first heat exchanger 1 10 and the heat exchange zone of the second heat exchanger 120 and the fluid which circulates in each of these heat exchange zones is maximized, thus improving the exchange of calories which takes place in these heat exchange zones as described above.
• first and second heat exchangers 110, 120 can only be supplied by the air streams FA1, FA2 generated by the ventilation device 160 operating in suction mode, so that there is precise management of the quantities of air which pass through the first heat exchanger 110 and the second heat exchanger 120 as well as the origin of this air.
• the ventilation device 160 is arranged downstream of the first heat exchanger 110 and the second heat exchanger 120 with respect to a direction of circulation of the main air flow FAp . In other words, this ventilation device 160 generates the main air flow FAp by suction.
• thermal regulation is configured so that the air flows FA1, FA2 respectively pass through the first, the second heat exchanger from the internal volume 101 to the corresponding air duct 180, 181.
• the ventilation device 160 is configured to operate by blowing, thus generating a main air flow FAp in the third air duct 182 and pushing it into the internal volume 101 of the thermal regulation system, this main air flow then splitting into the first flow air and the second air flow respectively intended to pass through the first heat exchanger and the second heat exchanger.
• the position of the ventilation device is schematically illustrated and that this ventilation device could be placed in the third air duct at a distance from the closure element and the passage formed between the second ends of the exchangers.
• the thermal regulation system is here configured so that the ventilation device 160 is arranged upstream of the first heat exchanger 110 and the second heat exchanger 120 with respect to the air flow paths.
• the ventilation device 160 advantageously has the form of a motor-fan unit with which is associated a control module not shown here and configured to control at least the start and stop of the fan drive motor, possibly the motor rotation speed for
• this particular arrangement of the ventilation device 160 relative to the first heat exchanger 110 and relative to the second heat exchanger 120 makes it possible to supply fresh air to both this first heat exchanger 110 and this second heat exchanger 120 and thus to maximize the thermal performance of these two heat exchangers 1 10, 120, for example to alleviate a need for one-off cooling of the vehicle, while limiting the total size of the thermal regulation system 100 according to the invention so that the latter can be easily integrated into said front face 200 of the vehicle.
• the thermal regulation system 100 further comprises a ventilation member 170 arranged in the first air duct 180, that is to say outside the internal volume 101 of the thermal regulation system 100.
• the ventilation unit can be activated to increase the flow rate of the air flow generated by the movement of the vehicle and configured to pass through the first heat exchanger and the second heat exchanger.
• this ventilation member 170 participates in generating the first air flow FA1 intended to pass through the first heat exchanger 1 10 and participating in forming the main air flow FAp.
• this ventilation member 170 is thus arranged upstream of the first heat exchanger 110 relative to a direction of circulation of the first air flow FA1 so that this ventilation member 170 participates in forming this first air flow FA1 while blowing.
• this ventilation member can be a controlled motor-driven fan unit as could be described above for the ventilation device 160.
• This variant of the first embodiment can be implemented for example if the first heat exchanger 110 has a power greater than a power of the second heat exchanger 120, that is to say when the first heat exchanger 1 10 has a greater air requirement than the second heat exchanger 120.
• this second variant will be preferred if the cooling requirements of the elements treated
• thermally by the first heat exchanger 1 10, that is to say the elements arranged on the cooling loop on which the first heat exchanger 1 10 is arranged, are greater than the cooling requirements of the elements heat treated by the second heat exchanger 120.
• the ventilation member arranged outside the internal volume 101 can be is arranged in the second air duct configured to be taken by the second flow intended for the supply of the second heat exchanger, and upstream of this second heat exchanger.
• the ventilation member participates in generating, by blowing, the second air flow which supplies the second heat exchanger and which participates in forming the main air flow.
• this other variant will be chosen when the heat exchange requirement of the second heat exchanger is more powerful than the heat exchange requirement of the first heat exchanger. .
• FIG. 1 schematically illustrate the thermal regulation system 100 according to a second exemplary embodiment of the present invention which differs from the first exemplary embodiment in particular in that it comprises a third heat exchanger 130 arranged in the third air duct 182.
• this third heat exchanger 130 has a heat exchange zone in which circulates a fluid, for example a refrigerant or a heat transfer fluid, capable of exchanging calories with an air flow which passes through this heat exchange zone. The fluid thus cooled can then cool the various elements arranged on a cooling loop carrying the third heat exchanger 130.
• a fluid for example a refrigerant or a heat transfer fluid
• the third heat exchanger 130 can be arranged on a separate cooling loop from the cooling loops on which the first heat exchanger 110 and the second heat exchanger 120 are arranged.
• this third heat exchanger 130 is arranged so as to define a third plane P3 intersecting the first plane P1 and the second plane P2 previously defined and associated respectively with the orientation of the first heat exchanger 110 and the second heat exchanger 120. More particularly, this third heat exchanger 130 is arranged between the first heat exchanger 1 10 and the second heat exchanger 120, and even more particularly between the second end 1 12 of the first heat exchanger 1 10 and the second end 122 of the second heat exchanger 120 so that the first heat exchanger 110, the second heat exchanger 120 and the third heat exchanger 130 together define the internal volume 101 of the thermal regulation system 100.
• exemplary embodiment is devoid of the closure element.
• the ventilation device 160 is, according to this second example of embodiment, arranged outside the internal volume 101 of the thermal regulation system 100.
• the thermal regulation system 100 can have a first sealing zone 103 between the third heat exchanger 130 and the first heat exchanger 110 and a second sealing zone 104 between the third heat exchanger 130 and the second heat exchanger 120.
• first sealing zone 103 and / or the second sealing zone 104 can be produced by simple contact between the various heat exchangers in question, or else a sealing device, for example a joint, can be arranged between them.
• these sealing zones 103, 104 make it possible to control the quantities and the origin of the air flows circulating in the internal volume 101 of the thermal regulation system 100 and, consequently, of controlling the quantities and the origin of the air flows which pass through the first, second and third heat exchangers 1 10, 120, 130.
• thermal regulation system 100 is in the rolling phase. Such as
• the air flow FA ' firstly passes through the first heat exchanger 1 10 before reaching the internal volume 101 of the thermal regulation system 100 in which it separates into two in order to supply both the second heat exchanger 120 and the third heat exchanger 130.
• the first heat exchanger January 10 is supplied with fresh air, the second heat exchanger 120 and the third heat exchanger 130 being both supplied by air already at least partially heated by its passage through the first heat exchanger 1 10.
• FIG. 5 illustrates a situation similar to the situation illustrated in [ Figure 2], that is to say a situation in which the vehicle is stationary and has a need for cooling. occasionally higher than normal, for example linked to a rapid charging phase of the vehicle's electrical energy storage device.
• the ventilation device 160 is started so that at least the first heat exchanger and the second heat exchanger are supplied with fresh air.
• the ventilation device 160 is configured to generate the main air flow FAp by suction.
• the first air flow FA1 passes through the first heat exchanger 1 10 before joining the internal volume 101 of the thermal regulation system 100 in which also arrives the second air flow FA2 having passed through the second heat exchanger.
• the first air flow FA1 and the second air flow FA2 jointly form the main air flow FAp which leaves this internal volume 101 by passing through the third heat exchanger 130.
• this main air flow FAp is able to exchange calories with the fluid circulating in the heat exchange zone of this third heat exchanger 130 so as to ensure the cooling of the elements arranged on the carrier cooling loop of this third heat exchanger 130.
• the closure element will be, according to this option, in its closed position in order to optimize the exchange of calories which takes place at the level of the exchange zone.
• this shutter element can be put in its open position so as to allow power to the third heat exchanger and thus, either the cooling of the elements arranged on the same cooling loop as this third heat exchanger, or to improve this cooling if the third heat exchanger is arranged on the same cooling loop.
• the second exemplary embodiment is identical to the first exemplary embodiment and the description given above with reference to [ Figure 1] and [ Figure 2] applies mutatis mutandis to this second example of achievement.
• Figure 6 for its part illustrates, schematically, a variant of this second embodiment of the present invention. According to this variant of the second exemplary embodiment of the present invention illustrated on
• the thermal regulation system 100 further comprises a ventilation member 170 ’arranged upstream of the second heat exchanger 120 relative to the direction of circulation of the main air flow FAp.
• this ventilation member 170 participates in generating the main air flow FAp by blowing. More particularly, it will be noted that this ventilation member 170 ′ is arranged in the second air duct 181 which makes it possible to convey or evacuate the second air flow FA2 intended for supplying the second heat exchanger 120. It is possible to route or evacuate the second air flow FA2 intended for supplying the second heat exchanger 120. It therefore understands that this ventilation member 170 ′ participates in generating the second air flow FA2 intended to pass through the second heat exchanger 120 and participating in forming the main air flow FAp. As has been described above for other exemplary embodiments, this ventilation member 170 ’may include a motor-fan unit and an appropriate control member to control the motor of this motor-fan unit.
• This variant of the second exemplary embodiment can thus be implemented, for example if the second heat exchanger 120 has a power greater than a power of the first heat exchanger 110, that is to say when the second heat exchanger thermal 120 has a greater air requirement than the first heat exchanger 1 10.
• This variant of the second embodiment will be particularly preferred if the
• cooling of the elements heat-treated by the second heat exchanger 120 are greater than the cooling requirements of the elements heat-treated by the first heat exchanger January 10.
• the ventilation member is arranged in the first air duct configured to be taken by the first air flow intended to supply the first heat exchanger, and upstream of this first heat exchanger.
• the ventilation member participates in generating, by blowing, the first air flow which supplies the first heat exchanger and which participates in forming the main air flow.
• the present invention thus provides a thermal regulation system

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• General Engineering & Computer Science (AREA)
• Transportation (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
• Air-Conditioning For Vehicles (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=67107827

Family Applications (1)

Country Status (5)

Family Cites Families (15)

• 2019
  • 2019-02-28 FR FR1902117A patent/FR3093347B1/fr active Active
• 2020
  • 2020-02-27 WO PCT/FR2020/050383 patent/WO2020174191A1/fr unknown
  • 2020-02-27 EP EP20719676.7A patent/EP3931430A1/de not_active Withdrawn
  • 2020-02-27 CN CN202080031539.7A patent/CN113728154A/zh active Pending
  • 2020-02-27 US US17/434,195 patent/US11840138B2/en active Active

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