WO2011045496A1 - Dispositif de refroidissement pour vehicule hybride - Google Patents
Dispositif de refroidissement pour vehicule hybride Download PDFInfo
- Publication number
- WO2011045496A1 WO2011045496A1 PCT/FR2010/051956 FR2010051956W WO2011045496A1 WO 2011045496 A1 WO2011045496 A1 WO 2011045496A1 FR 2010051956 W FR2010051956 W FR 2010051956W WO 2011045496 A1 WO2011045496 A1 WO 2011045496A1
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- WO
- WIPO (PCT)
- Prior art keywords
- circuit
- transfer fluid
- heat transfer
- heat
- tbt
- Prior art date
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Classifications
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- 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
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
-
- 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
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- 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
- F28D1/0417—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with particular circuits for the same heat exchange medium, e.g. with the heat exchange medium flowing through sections having different heat exchange capacities or for heating/cooling the heat exchange medium at different temperatures
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- 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
- F28D1/0443—Combination of units extending one beside or one above the other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
-
- 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
- F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
- F01P11/029—Expansion reservoirs
-
- 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
- F01P2050/00—Applications
- F01P2050/24—Hybrid vehicles
-
- 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
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/08—Cabin heater
-
- 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
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/18—Heater
Definitions
- the present invention relates to a hybrid vehicle cooling device, which comprises a heat engine coupled to an electric machine and electrical energy storage means, such as a battery for example.
- the cooling of the various electrical components, electrical energy storage means and the heat engine is ensured by the circulation of a coolant in heat exchangers.
- the invention also relates to a radiator for equipping a hybrid vehicle.
- the electrical energy storage means will simply be designated by a battery, although said means may comprise several batteries and / or one or more super -capacity (s) for example.
- a battery In a hybrid vehicle, an additional battery is normally used, dedicated to the supply of electricity to the electric motor. Its storage capacity is much higher than that of the usual battery and therefore, it tends to heat because it is much more stressed than in a vehicle having only one engine. Since the battery has an optimal operation in a defined temperature range, generally centered around 40 q C, it is necessary to cool it in order to maintain its temperature at around 40 ° C. To do this, it is possible to use an air cooling or a heat transfer fluid or a refrigerant. In the case of a coolant or refrigerant, using a cooling circuit provided with a heat exchanger (a radiator) in which circulates a coolant or coolant.
- a heat exchanger a radiator
- Figure 1 described below illustrates the most common solution of the prior art (by the use of independent cooling circuits in which circulates a coolant) and allows to easily understand the disadvantages of the art prior.
- the invention when the battery is cooled by a heat transfer fluid, the use of a heat exchanger is shared between the engine and the battery according to the operating conditions of the vehicle.
- the invention takes advantage of the fact that the elements to be cooled do not generally work, and therefore do not need to be cooled, at the same time (for example, when the heat engine is running, the electric traction motor is at stop, and vice versa).
- the cooling device uses a single separate heat exchanger in three parts.
- the device according to the invention comprises means for allowing the heat transfer fluid to flow from a cooling circuit to another circuit.
- the invention relates to a cooling device for the heat engine, electrical components and electrical energy storage means of a hybrid vehicle, said device comprising a first circuit for cooling said heat engine. a second circuit for cooling said electrical components and a third circuit for cooling said electrical energy storage means, a heat transfer fluid circulating in said circuits which comprise heat exchange means.
- said heat exchange means consist of a heat exchanger separated into three parts: a high temperature part HT connected to said first circuit, a low temperature part BT connected to said second circuit and a very low temperature part TBT connected to said third circuit. circuit.
- the device comprises means for placing said first circuit in communication with said third circuit located upstream and downstream of said portion HT of the heat exchanger, said downstream communication means being actuated as a function of the temperature of said heat transfer fluid at said communication means and said upstream communication means being actuated as a function of the flow rate of the heat transfer fluid in said first circuit.
- said means for setting said first circuit to said third circuit upstream of said heat exchanger comprises a double-acting valve closing said first circuit and allowing the passage of the coolant from said third circuit to said part. HT of the heat exchanger, when the heat transfer fluid flow in said first circuit is less than a predetermined flow.
- Said means of putting said first circuit to said third circuit downstream of said heat exchanger comprises a double-acting thermostatic valve closing said first circuit and allowing the heat-transfer fluid to pass from said first circuit into said third circuit when the temperature of the heat transfer fluid at said thermostatic valve is below the optimum operating temperature of said electrical energy storage means.
- Said first circuit may comprise a water pump, a water outlet housing, said housing communicating on the one hand with a pump and a heater for heating the passenger compartment of the vehicle and secondly with the input of the HT portion of the heat exchanger via a pipe connected between the outlet of said water outlet housing and the inlet of said HT part.
- Said conduit comprises said double-acting valve located substantially at the inlet of said HT part and the output of said HT part is connected to said pump by a pipe which comprises said thermostatic valve located substantially at the outlet of said HT part of the heat exchanger.
- Said third circuit may include said electrical energy storage means, a pump and said TBT portion of the heat exchanger, the inlet of said pump being connected to the heat transfer fluid outlet of said energy storage means. electrical and the output of the pump being connected to the input of said portion TBT.
- the output of said portion TBT can be connected firstly to said first circuit via said thermostatic valve and secondly to said electrical energy storage means.
- the inlet of said portion TBT being connectable to said first circuit via said valve located substantially at the inlet of said portion HT.
- Said second circuit may comprise said portion BT of said heat exchange means, a pump, an inverter, an electric machine and a device for stopping and restarting the heat engine automatically.
- said first and third circuits comprise in common a degassing box.
- Said electrical energy storage means may comprise at least one battery.
- each of said portions TBT, HT and BT comprises a coolant inlet housing, a radiator and a heat transfer fluid outlet housing
- the input boxes of the parts TBT and HT may comprise a common passage that can be closed by a valve and allowing a portion of the heat transfer fluid to flow from the TBT input box to the HT box, and the output boxes TBT and HT parts may have a common passage that can be closed by a thermostatic valve and allowing a portion of the heat transfer fluid to flow from the output box HT to the output box TBT.
- said valve opens said common passage of the input boxes allowing a portion of the heat transfer fluid of said input box TBT to pass in said input box HT. Said valve closes said first circuit when the flow of coolant in said cooling circuit of the engine is substantially zero.
- Said thermostatic valve opens the common passage between the HT and TBT parts of said output boxes and closes the output of the output box HT when the temperature of the coolant at the output of said HT part is less than a predetermined temperature and, conversely, said thermostatic valve closes the common passage between said HT and TBT portions of said output boxes and opens the output of the output box HT when the temperature of the coolant at the output of the output box HT is greater than said predetermined temperature, which may be substantially equal to the optimum operating temperature of said electrical energy storage means.
- Said first circuit for cooling the heat engine comprises a thermostatic valve located at the outlet of the water outlet housing and makes it possible to stop the circulation of heat transfer fluid in said first circuit when the temperature of the heat transfer fluid in said housing water outlet is less than the optimum operating temperature of the engine.
- the invention also relates to a radiator in which can circulate a coolant and intended to equip a hybrid vehicle.
- the radiator comprises three parts separated from each other by a partition, each of said parts comprising an inlet housing provided with a heat transfer fluid inlet, a heat exchanger and an outlet housing provided with a heat transfer fluid outlet, one of the partitions separating the inlet boxes between two adjacent parts comprises a first passage and said partition separating the outlet boxes between said two adjacent parts comprises a second passage, first sealing means can take two positions, a position for which the input of an input box is open and said first ⁇ passage is closed and another position for which the input of an input box is closed and said first passage is open, second shutter means can take two positions, a position for which the output of a housing output is open and said second passage is closed and another position for which the output of said output housing is closed and said second passage is open.
- Said first closure means may comprise a double-acting valve which can change position when the pressure exerted on the valve is substantially zero and said second sealing means may comprise a thermostatic valve which can change position to substantially 40 °.
- FIG. 1 schematically illustrates a conventional device of the prior art
- FIGS. 2 and 3 diagrammatically illustrate two embodiments of a device according to the present invention
- the device shown in Figure 1 represents the most successful embodiment of the cooling of the various bodies of a hybrid vehicle.
- the latter comprises a heat engine 10, provided with a water outlet housing 12, an electric machine 14 (usually the electric traction motor or motors of the vehicle), a gearbox 16 and storage means electrical energy 18 (which may consist for example of one or more batteries or one or more super-capacitors).
- the electrical energy storage means will be designated hereafter by the term "battery", it being understood that this term covers all kinds of electrical energy storage means.
- the hybrid vehicle comprises three different cooling circuits: a first circuit 20 dedicated to cooling the heat engine 10 (this circuit is also called HT circuit for High Temperature) and shown in Figure 1 and the following figures in solid lines; a second circuit 22, shown in solid double lines (also referred to as BT circuit for Low Temperature), for cooling the electrical components and a third circuit 24 (also called TBT circuit for Very Low Temperature), shown with dashes, for the Battery cooling 18.
- Said electrical components generally comprise said electric machine 14, an inverter 26, and often an automatic stop and restart system 28 (usually referred to as "Stop &Start").
- a coolant usually a mixture of water and glycol, for example 50% water and 50% glycol
- the heat transfer fluid circulates in the engine 10 and out of the engine by the water outlet housing 12 (note: this is the usual name of the housing of output, although it concerns the output of the refrigerant which is not usually pure water).
- the box 12 has two outputs: an outlet 30 which can be closed by means of a thermostatic valve 32 and an outlet 34. Exiting through the outlet 34, the coolant is sucked by a pump 36 (electric pump for example ), then sent to a heater 38 to warm the passenger compartment of the vehicle. Before entering the heater 38, the coolant may optionally pass through a heater 40, which may take the form of an electric boiler or gasoline.
- the fluid is directed to a pump 42, generally called "water pump", where it returns to the engine.
- a degassing box 44 common to the first circuit 20 and the second circuit 22, is used to evacuate the gases possibly present in the coolant and to complete the coolant level in the cooling circuits 20 and 22.
- outlet 30 of the water outlet housing 12 the heat transfer fluid passes through a heat exchanger 46 (HT for High Temperature), usually a radiator placed on the front of the vehicle, then passes through the water pump 42 before returning to the engine 10.
- a bypass 43 makes it possible to turn heat transfer fluid into the water outlet housing 12 when the thermostatic valve 32 closes the outlet 30.
- the second circuit 22 for cooling the electrical components, comprises a heat exchanger 48, usually a radiator (also referred to as LV exchanger or BT radiator for low temperature).
- the heat-transfer fluid is circulated in this second circuit 22 by means of an electric pump 50, the fluid then passing successively through the pump 50, the inverter 26, the electric machine 14, the stop and restart system. Automatic 28 of the engine and the radiator BT 48.
- the third circuit 24 comprises a heat exchanger or radiator 52 or TBT (TBT for very low temperature), the heat transfer fluid being circulated by an electric pump 54 to successively cross the radiator TBT 52 and the battery 18.
- the fluid does not pass through the battery 18 itself, but heat exchange means for cooling the battery, for example a copper pipe in the form of a coil surrounding the battery.
- the HT temperature of the heat transfer fluid present in the first circuit 20 can vary from 70 to 1 10 ⁇ , the thermostatic valve 32 closing the outlet 30 and thus stopping the circulation of the heat transfer fluid in the first circuit HT, when the temperature of the fluid in the HT circuit is less than the optimum operating temperature of the engine, generally approximately 80 ° C.
- the temperature of the heat transfer fluid in the second circuit 22 BT is generally maintained at around 60 ° C, the optimum operating temperature of the electric machine 14.
- the temperature of the coolant in the third circuit 24 TBT is generally maintained at around 40 ° C, the optimal operating temperature of the battery18. These differences in optimal operating temperature of the engine, the electric machine and the battery are the cause of the use of three different cooling circuits, so three radiators, which increases the costs of manufacturing the vehicle and increases the space requirement under the hood.
- FIG. 2 schematically shows a first embodiment of the invention according to which one shares the use of a heat exchanger between the engine and the battery according to the operating conditions of the vehicle.
- the elements common with those of Figure 1 are designated by the same reference numbers.
- the second circuit 22 (LV circuit) is identical and comprises, as before, a radiator 48, an electric pump 50, an inverter 26, an electric machine 14 and a Stop & Start system STT or 28.
- the first circuit 60 (HT circuit) is identical to the first circuit 20 of Figure 1, except that the first circuit 60 of Figure 2 comprises a double-acting valve 62 placed upstream (in the fluid flow direction). coolant) of the radiator 46 (radiator HT) and a thermostatic valve 64 placed downstream of the radiator HT. More specifically, the valve 62 is located in a pipe 66 connecting the outlet 30 of the water outlet housing 12 to the radiator HT. In addition, a pipe 68 connects the pipe 70 connecting the pump 54 to the radiator 52 (radiator TBT).
- the pipe 68 opens into the pipe 66 opposite the valve 62 so that when the valve 62 closes the pipe 66, the heat transfer fluid can flow from the pipe 68 to the radiator HT, and vice versa, when the valve 62 is open , the communication between the pipe 66 and the radiator HT is open while the communication between the pipe 68 and the radiator HT is closed.
- the thermostatic valve 64 is located downstream of the radiator HT in a pipe 72 connecting the outlet 74 of the radiator HT to the water pump 42.
- the TBT circuit comprises a pipe 76 connecting the pipe 72 to the battery 18, the pipe 76 opening into the pipe 72 at the thermostatic valve 64 so that, when the valve 64 closes the pipe 72, the heat transfer fluid leaving the radiator HT can pass in the pipe 76 and, conversely, when the valve 64 does not close the pipe 72, the heat transfer fluid leaving the radiator HT can not pass in the pipe 76.
- the third circuit 78 dedicated to the cooling of the battery 18, comprises the radiator TBT 52, a pipe 80 (connecting the outlet 82 of the radiator 52 to the pipe 68), the pipe 76, the battery 18 (more generally the means for storing electrical energy) and the pump 54 connected to the battery 18 via the pipe 84 and connected to the inlet 86 of the radiator TBT via the pipe 70.
- the radiators 52, 46 and 48 may advantageously be formed of a single heat exchanger 88 separated into three distinct parts so as to form the three radiators 52 (TBT), 46 (HT) and 48 (BT).
- the HT circuit (or first circuit) is shown in continuous solid lines
- the LV circuit (or second circuit) is shown in double lines
- the TBT circuit (or third circuit) in dashed lines.
- the double-acting valve 62 makes it possible to put the first circuit 60 into communication with the third circuit 78 when the flow rate of the coolant in the pipe 72 is very low, practically nil.
- This situation occurs when the thermostatic valve 32 closes the outlet 30 of the water outlet housing 12, which occurs when the temperature of the coolant in the water outlet housing 12 is below the optimum operating temperature. of the engine.
- This optimum operating temperature may for example be between 80 and 110 ° C.
- the outlet 30 is open when the temperature of the heat transfer fluid is equal to or greater than, for example, 80 ° C. and the outlet 30 is closed when the temperature of the heat transfer fluid is less than 80 ° C.
- the valve 62 opens the communication of the pipe 68 to the radiator HT, thus putting the third circuit 78 (TBT) in communication with the first circuit 60 (HT).
- the double-acting thermostatic valve 64 is calibrated to open the pipe 72 at a predetermined temperature, corresponding substantially to the optimum operating temperature of the battery 18. This temperature may be for example about 40 ° C.
- a device according to the invention operates differently depending on the conditions of use of the vehicle. For example :
- the thermostatic valve 32 At a coolant temperature below 80 ° C in the HT circuit, the thermostatic valve 32 is closed: the heat transfer fluid from the heat engine 10 is sent directly to the heater 40 and the heater 38 to heat the heater. cabin of the vehicle.
- the heat transfer fluid does not cross the radiator HT, the flow in the pipe 66 is zero: the valve 62 is in the closed position (no pressure exerted on it).
- the heat transfer fluid of the third circuit 78 (TBT) then passes through the radiator HT in addition to the radiator TBT. This improves the cooling of the battery 18 by increasing the exchange surface of the coolant in the heat exchanger 88.
- the temperature in the third TBT circuit not exceeding 40 q C, the thermostatic valve 64 is in the closed position : It makes it possible to send the coolant leaving the radiator HT back to the battery 18.
- the thermostatic valve 64 also makes it possible to prevent any risk of heat transfer fluid being sent to a temperature greater than 40 ° in the battery 18, which would degrade its temperature. performance and / or life.
- the flow in the third circuit TBT being provided by the electric pump 54, the cooling of the battery is ensured when the engine is stopped.
- the thermostatic valve 32 opens. Under the pressure of the coolant, the valve 62 also opens and closes the pipe 76. The heat transfer fluid from the engine 10 is cooled in the radiator HT. As the temperature at the outlet 74 of the radiator HT is greater than 40 ° C., the thermostatic valve 64 also opens and makes it possible to send the fluid towards the heat engine via the pipe 72. The battery 18 is then cooled only by the radiator TBT , the valve 62 and the thermostatic valve 64 closing the lines 68 and 76 connecting the third circuit TBT to the radiator HT.
- FIG. 3 schematically illustrates a second embodiment of the invention.
- This embodiment uses the same elements as those of the embodiment shown in FIG. 2, these common elements being designated by the same reference numbers.
- the differences between the two embodiments relate to the heat exchanger (framed in an oval 88), the valve 62 and the thermostatic valve 64.
- the heat exchanger 88 is formed of a single split radiator in three parts TBT, HT and BT.
- the valve 62 and the valve 64 are integrated in the radiator HT.
- the heat exchanger 88 is shown schematically in Figure 4 which shows a situation for which the temperature of the coolant in the HT circuit is lower than the optimum operating temperature of the engine (for example less than 80 ° C) .
- the exchanger 88 constitutes a "complex" radiator with exchanges of refrigerant between the parts TBT and HT.
- This radiator is composed of three parts: a part TBT (Very Low Temperature) 90, HT (High Temperature) portion 92 and BT (Low Temperature) portion 94.
- the TBT and HT portions are separated by a partition 96 and the HT and LV portions are separated by a partition 98.
- Each of these parts comprises a heat transfer fluid inlet casing (100 for the TBT part, 102 for the HT part and 104 for the BT part), a heat exchange part (106 for the TBT part, 108 for the HT part and 1 10 for the BT part) and an output box (1 12 for the TBT part, 1 14 for the HT part and 1 16 for the BT part).
- the heat transfer fluid circulates in the directions indicated by the dashed arrows for the TBT part, in full lines for the HT part and in double lines for the BT part.
- Each of the input boxes 100, 102 and 104 is provided with a heat transfer fluid inlet respectively 1 18, 120 and 122.
- Each of the output boxes 1 12, 1 14 and 1 16 comprises a fluid outlet respectively 124, 126 and 128.
- the partition 96 separating the parts TBT and HT comprises a first passage 130 of communication between the input boxes 100 and 102 and a second passage 132 of communication between the output boxes 1 12 and 1 14.
- the passage 130 is provided with first closure means 134 which can take two positions, a position for which the inlet 120 of the inlet box 102 is open and the first passage 130 is closed and another position for which the inlet 120 of the input box 102 is closed and the first passage 130 is open.
- the passage 132 is provided with second closure means 136 which can take two positions, a position for which the outlet 126 of the outlet housing 1 14 is open and the second passage 132 is closed and another position for which the outlet 126 is closed and the second passage 132 is open.
- the closure means 134 may comprise a double-acting valve equivalent to the valve 62 of the embodiment of Figure 2; this valve closing the inlet 120 and opening the passage 130 when the flow in the pipe 72 is very low, or even zero, and therefore when the temperature of the coolant is less than eO 'for example (temperature for which the thermostatic valve 32 closes the outlet 30 of the water outlet housing).
- the shutter means 136 may comprise a thermostatic valve identical to the thermostatic valve 64 of the embodiment of the invention. FIG. 2. This valve closes the outlet 126 and opens the passage 132 when the temperature of the coolant in the outlet box 1 14 is lower than the optimal operating temperature of the battery 18, for example 40 ⁇ .
- the conditions for a coolant circulation of the circuit TBT in the radiator HT are as follows: when the thermostatic valve 32 of the water outlet housing closes the outlet 30, the flow rate in the radiator HT108 is zero; the valve 134 closes the inlet 120 of the radiator HT and the passage 130 is open; the input boxes 100 and 102 communicate and heat transfer fluid of the TBT circuit can then pass into the HT circuit.
- the fluid contained in the HT radiator 108 cools.
- the thermostatic valve 136 opens the passage 132 and closes the outlet 126 of the radiator HT.
- the heat transfer fluid of the TBT circuit can then circulate in the HT circuit, more precisely in the radiator 108 of the HT circuit.
- FIG. 5 shows the radiator of Figure 4, when the thermostatic valve 32 of the water outlet housing is in the open position, that is to say when the outlet 30 is open.
- This corresponds to a temperature of the coolant greater than or equal to the optimum operating temperature of the heat engine (for example 80 ° C.).
- the valve 134 closes the passage 130 and opens the inlet 120 of the radiator HT 108.
- the thermostatic valve 136 (open up to 40 ° C approximately) is open that is to say it opens the exit 126 of the radiator HT and closes the passage 132.
- the radiator HT is in this case dedicated to the cooling of the engine.
- the implementation of the cooling circuit in the vehicle is made easier due to the small size of the radiator of the invention compared to the three radiators of the prior art,
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10770595.6A EP2488737B1 (fr) | 2009-10-13 | 2010-09-21 | Dispositif de refroidissement pour vehicule hybride |
US13/501,670 US9238994B2 (en) | 2009-10-13 | 2010-09-21 | Cooling device for a hybrid vehicle |
BR112012007501-2A BR112012007501B1 (pt) | 2009-10-13 | 2010-09-21 | dispositivo de arrefecimento e radiador para veículo híbrido |
CN201080046170.3A CN102575567B (zh) | 2009-10-13 | 2010-09-21 | 用于混合动力车辆的冷却装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0957165A FR2951114B1 (fr) | 2009-10-13 | 2009-10-13 | Dispositif de refroidissement pour vehicule hybride |
FR0957165 | 2009-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011045496A1 true WO2011045496A1 (fr) | 2011-04-21 |
Family
ID=42199581
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2010/051956 WO2011045496A1 (fr) | 2009-10-13 | 2010-09-21 | Dispositif de refroidissement pour vehicule hybride |
Country Status (6)
Country | Link |
---|---|
US (1) | US9238994B2 (fr) |
EP (1) | EP2488737B1 (fr) |
CN (1) | CN102575567B (fr) |
BR (1) | BR112012007501B1 (fr) |
FR (1) | FR2951114B1 (fr) |
WO (1) | WO2011045496A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104329156A (zh) * | 2014-08-20 | 2015-02-04 | 中国石油天然气股份有限公司 | 混合动力车用发动机电机一体冷却装置及混合动力车 |
WO2020126619A1 (fr) * | 2018-12-21 | 2020-06-25 | Renault S.A.S | Dispositif de gestion thermique d'un circuit de fluide caloporteur d'un véhicule hybride |
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FR2995072B1 (fr) * | 2012-09-06 | 2014-09-12 | Peugeot Citroen Automobiles Sa | Radiateur air/eau pour un dispositif de thermonamagement de vehicule hybride |
FR2995670A3 (fr) * | 2012-09-20 | 2014-03-21 | Renault Sa | Echangeur thermique ayant une partie condenseur et une partie radiateur basse temperature |
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SE541753C2 (en) * | 2016-08-23 | 2019-12-10 | Scania Cv Ab | A cooling system for an electric power unit in a vehicle |
FR3067680B1 (fr) * | 2017-06-14 | 2019-07-19 | Peugeot Citroen Automobiles Sa | Systeme de gestion thermique d’un vehicule hybride ou electrique comportant deux boucles de fluide caloporteur |
CN107839432B (zh) * | 2017-11-28 | 2024-02-20 | 中国第一汽车股份有限公司 | 插电式混合动力汽车的整车热管理系统 |
FR3078386B1 (fr) | 2018-02-28 | 2020-01-24 | Psa Automobiles Sa | Systeme thermique d’un vehicule hybride ou electrique comportant trois boucles de fluide caloporteur |
CN108952935A (zh) * | 2018-06-29 | 2018-12-07 | 中车大连机车车辆有限公司 | 内走廊式内燃机车外置冷却装置综合冷却控制系统及控制方法 |
JP2020011676A (ja) * | 2018-07-20 | 2020-01-23 | トヨタ自動車株式会社 | 車両駆動システムの冷却装置 |
JP7040352B2 (ja) * | 2018-08-08 | 2022-03-23 | トヨタ自動車株式会社 | 車両駆動システムの冷却装置 |
US11305883B2 (en) * | 2019-03-01 | 2022-04-19 | United Technologies Advanced Projects, Inc. | Circulating coolant fluid in hybrid electrical propulsion systems |
FR3104200B1 (fr) * | 2019-12-06 | 2022-07-15 | Psa Automobiles Sa | Circuit caloporteur pour groupe motopropusleur |
FR3124120A1 (fr) | 2021-06-18 | 2022-12-23 | Psa Automobiles Sa | Systeme de regulation thermique pour un vehicule electrifie comportant un boitier centralise de mise en circulation de fluide caloporteur |
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- 2010-09-21 CN CN201080046170.3A patent/CN102575567B/zh active Active
- 2010-09-21 WO PCT/FR2010/051956 patent/WO2011045496A1/fr active Application Filing
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104329156A (zh) * | 2014-08-20 | 2015-02-04 | 中国石油天然气股份有限公司 | 混合动力车用发动机电机一体冷却装置及混合动力车 |
WO2020126619A1 (fr) * | 2018-12-21 | 2020-06-25 | Renault S.A.S | Dispositif de gestion thermique d'un circuit de fluide caloporteur d'un véhicule hybride |
FR3090501A1 (fr) * | 2018-12-21 | 2020-06-26 | Renault S.A.S. | Dispositif de gestion thermique d’un circuit de fluide caloporteur d’un véhicule hybride |
KR20210103543A (ko) * | 2018-12-21 | 2021-08-23 | 르노 에스.아.에스. | 하이브리드 차량의 열전달 유체 회로를 위한 열 관리 장치 |
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Also Published As
Publication number | Publication date |
---|---|
BR112012007501B1 (pt) | 2020-11-03 |
EP2488737A1 (fr) | 2012-08-22 |
US20120199313A1 (en) | 2012-08-09 |
FR2951114A1 (fr) | 2011-04-15 |
BR112012007501A2 (pt) | 2016-11-22 |
FR2951114B1 (fr) | 2011-11-04 |
CN102575567A (zh) | 2012-07-11 |
EP2488737B1 (fr) | 2014-12-17 |
US9238994B2 (en) | 2016-01-19 |
CN102575567B (zh) | 2015-03-25 |
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