EP2057025A1 - Systeme de climatisation pour vehicule automobile avec circuit secondaire pour alimenter la batterie - Google Patents
Systeme de climatisation pour vehicule automobile avec circuit secondaire pour alimenter la batterieInfo
- Publication number
- EP2057025A1 EP2057025A1 EP07823700A EP07823700A EP2057025A1 EP 2057025 A1 EP2057025 A1 EP 2057025A1 EP 07823700 A EP07823700 A EP 07823700A EP 07823700 A EP07823700 A EP 07823700A EP 2057025 A1 EP2057025 A1 EP 2057025A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heater
- hydraulic
- engine
- circuit
- conditioning system
- 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.)
- Ceased
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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00885—Controlling the flow of heating or cooling liquid, e.g. valves or pumps
-
- 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
- B60H1/00492—Heating, cooling or ventilating devices comprising regenerative heating or cooling means, e.g. heat accumulators
- B60H1/00499—Heat or cold storage without phase change including solid bodies, e.g. batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by 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
- B60H2001/003—Component temperature regulation using an air flow
-
- 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
-
- 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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H2001/00928—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices comprising a secondary circuit
-
- 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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H2001/00949—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices comprising additional heating/cooling sources, e.g. second evaporator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/34—Cabin temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Definitions
- the present invention relates to an air conditioning system for a motor vehicle having life conditions in which the heat engine is stopped during the driving phase.
- an air conditioning system for cooling the passenger compartment of a motor vehicle comprises a heat exchanger system comprising an evaporator, a compressor, a condenser, an expander and a fluid that can change states: liquid / gas, as shown in the diagram of Figure 1.
- the compressor Directly driven by the vehicle's engine using a belt and a pulley, it compresses refrigerant, delivering it under high pressure and at high temperature to the condenser.
- the condenser Thanks to a forced ventilation, this heat exchanger causes the condensation of the gas which reaches the gaseous state at high pressure and high temperature. It liquefies it by lowering the temperature of the air passing through it.
- Evaporator This is the last component of the air conditioning system. It is a heat exchanger, like the condenser that takes calories from the air that will be blown into the cabin (it cools the air and dries it). Moisture taken from the air flows on the fins of the evaporator and is gradually evacuated under the vehicle.
- the regulator is a component that regulates the flow rate of gas entering the loop via a change of passage section depending on the temperature and the pressure at the evaporator.
- the present invention relates to a system for managing the best intake of frigories or calories according to the "hot” or “cold” weather conditions for both the cockpit only for the battery and in particular to bring hot and cold to the battery via the engine water circuit in “cold” and “hot” climatic conditions. More specifically, the invention relates to an air conditioning system for a vehicle, in particular a hybrid motor vehicle, equipped with a heat engine, a direct or indirect heat exchange means with a battery, and a hydraulic circuit , said system comprising an evaporator, a heater and means for supplying air to the heater at the outlet of the evaporator, characterized in that it comprises:
- a secondary hydraulic circuit for supplying the exchanger comprising the battery, connected to the hydraulic power supply circuit of the heater.
- the hydraulic supply circuit of the heater and the secondary hydraulic circuit are connected via a three-way valve.
- the air conditioning system further comprises means for dissociating the hydraulic supply circuit of the engine of the hydraulic supply circuit of the heater, these means may typically comprise two hydraulic ducts connected in parallel. .
- the means for dissociating the hydraulic power supply circuit of the heat engine from the hydraulic circuit for supplying the heater comprises a three-way valve, making it possible to feed the hydraulic power supply circuit of the heater. closed circuit air heater.
- the part of the hydraulic supply circuit of the heater comprises an electric pump.
- the system comprises means for varying the supply air flow rate of the heater.
- the part of the hydraulic circuit for supplying the heat engine comprises bypass means
- FIGS. 3a and 3b schematize the evolutions of air temperature in the air-conditioning unit in the mode "cold supply possible engine stopped”. These temperatures are given in the summer phase, respectively when the engine is running (air heater storing cold and thus heating the air) and when it is stopped (air heater restoring cold air and therefore drying and cooling it);
- FIGS. 4a, 4b, 4c, 4d and 4e illustrate a first variant of the invention concerning a system equipped with an engine bypass and are respectively relative to the architecture and the operations of this architecture according to different living conditions.
- Figure 4b relating to a heating of the passenger compartment and the battery (common need in winter);
- Figure 4c relating to a cooling of the passenger compartment and the battery (eg: common need in summer);
- Figure 4d relating to a heating of the passenger compartment but not the battery (eg battery already hot in winter);
- FIG. 4d relating to a cooling of the passenger compartment and not of the battery (eg: priority for cooling the passenger compartment with respect to the battery)
- - Figure 5 illustrates a second variant of the invention for an application not equipped with a "bypass" engine.
- the hydraulic cooling circuit of the thermal engine comprises, in a conventional manner, a radiator 1, associated with the heat engine 2 coupled to a hydraulic cooling circuit comprising a first part 21 comprising a water pump 22, a water box 23 and a thermostat 24 for controlling and controlling the circulation of the coolant at the output of the engine.
- the hydraulic circuit also comprises a second portion 31 comprising an electric pump 32 for supplying a heater 3.
- the air conditioning unit 4 including an evaporator 41, sends cooled air into the heater that heats it.
- air at 5 ° C. at the outlet of the evaporator can emerge from the heater at a temperature of 7 ° C. and thus provide fresh air into the passenger compartment by conventional means for distributing the means of the heater. treated air comprising pipes, distributor flaps and ventilation nozzles.
- the heater then stores cold when the engine is running in summer. Engine stopped, the air heats up and evaporates at the evaporator, but will be condensed at the heater. The operation of this type of system is described below in more detail and in FIGS. 3a and 3b.
- the evaporator can typically cool a hot air at approximately 30 ° C. taken from the outside at a temperature of approximately 5 ° C. This cooled air is then sent to the air heater, which by thermal exchange with a circulation of water coming from the independent hydraulic circuit of the cooling circuit of the heat engine generates a cooling of the water (the air is then a little warmer at the output of the heater compared to its entry (7 0 C compared with 5 0 C).
- the evaporator is no longer operational, the air entering at 30 ° C., comes out at 30 ° C., to enter the heater and benefit from the inertia of this unit. last to be a little cooled, passing in the example shown at a temperature of 12 ° C.
- the air conditioning system of the known art may be adapted, optimized and coupled to a hydraulic circuit for supplying the battery or an exchanger comprising the battery which the vehicle is equipped with in order to take advantage of the storage of calories or frigories present in said system when the engine is running or stopped and the battery also needs to be heated or cooled.
- the heat exchanger comprising the battery will be called battery but it could quite well be an exchanger located upstream of a battery and which cools the fluid flow through the latter.
- an air conditioning system comprising a "bypass" pipe connected with the hydraulic supply circuit 31 of the heater 3 and a hydraulic circuit 51 of the power supply. 5. It should be noted that the latter, shown downstream of the supply circuit of the heater, could just as well be upstream in another variant of the invention.
- the air conditioning system of the invention is illustrated schematically in Figure 4a in the context of a "bypass" engine application. More precisely in this configuration, the engine equipped with a bypass on the engine water circuit has the following specificity: when the engine thermostat is closed (that is to say when there is no flow in the radiator on the front of the vehicle), a large flow of water is maintained in the engine due to the passage of water both in the air heater branch but also by a low pressure drop tube.
- the two hydraulic circuits 31 and 51 can advantageously be connected via a three-way valve 61.
- the hydraulic circuit 21 for supplying the heat engine and the hydraulic circuit 31 for supply can moreover be dissociated by the presence of the two conduits 33 and 34 and a three-way valve 60; the duct 33 being the duct forming part of the heat engine.
- Figure 4b schematizes the operation of this variant during a request for heating the passenger compartment and battery (common need in winter).
- the duct 34 is represented in this case by a dashed line because it is not operational, the hydraulic supply circuit of the engine is not dissociated from the hydraulic supply circuit of the heater.
- Figure 4c shows the operation of this variant during a request for cooling the passenger compartment and the battery (eg common need in summer).
- the hydraulic supply circuits of the heat engine and of the heater unit are dissociated.
- Figure 4d shows the operation of this variant during a request for heating the passenger compartment but not the battery (eg battery already hot in winter).
- the hydraulic power supply circuits of the motor and the power supply of the heater are not dissociated, while the power supply of the battery and the power supply of the heater are.
- Figure 4e schematizes the operation of this variant during a request for cooling the passenger compartment and not the battery (eg priority to cooling the passenger compartment relative to the battery).
- the supply circuits of the motor and the heater are dissociated, the battery supply circuit being also dissociated from that of the heater.
- the operation of the air conditioning system according to the invention can typically be as follows:
- the air conditioning system according to the invention is also well suited to a configuration in which the engine is equipped with a "motor bypass", for which a thermostat in the closed position (that is to say when it does not). there is no flow in the radiator on the front of the vehicle) ensures a large flow of water in the engine due to the passage of water on the air heater branch and because of the use of a tube to low pressure loss, that for configurations in which the hydraulic circuit comprises for example an additional water circuit to overcome the "engine bypass".
- Figure 5 illustrates a second variant of the invention in the context of a motor not equipped with a "bypass" engine. More precisely in this configuration, the engine without a bypass on the engine water circuit has the following specificity: when the engine thermostat is closed (that is to say when there is no flow in the radiator on the front of the vehicle), the entire flow of water passing through the motor flows in the air heater branch. The presence of a minimum water flow in the engine is necessary to ensure its proper operation.
- Means such as a second water circulation pipe 34 in parallel with a pipe 35 and means for adjusting the water flow rate 62 in the hydraulic circuit of the heater, make it possible to recycle the water in the circuit hydraulic heater at a temperature different from that flowing in the engine. The heat exchanges can take place during the entire shutdown of the engine.
- a flow of air at a given temperature passes through the heater to come out in the form of air flow at a temperature corresponding gradually to a stabilized temperature, defined to be the chosen air temperature to be diffused in the passenger compartment.
- a stabilized temperature defined to be the chosen air temperature to be diffused in the passenger compartment.
- the latter emerges at a lower temperature until converging to a predetermined temperature, to regulate the temperature of the air flow.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0607625A FR2905309B1 (fr) | 2006-08-30 | 2006-08-30 | Systeme de climatisation pour vehicule automobile avec circuit secondaire pour alimenter la batterie |
| PCT/FR2007/051794 WO2008025915A1 (fr) | 2006-08-30 | 2007-08-07 | Systeme de climatisation pour vehicule automobile avec circuit secondaire pour alimenter la batterie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2057025A1 true EP2057025A1 (fr) | 2009-05-13 |
Family
ID=37809397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07823700A Ceased EP2057025A1 (fr) | 2006-08-30 | 2007-08-07 | Systeme de climatisation pour vehicule automobile avec circuit secondaire pour alimenter la batterie |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2057025A1 (fr) |
| FR (1) | FR2905309B1 (fr) |
| WO (1) | WO2008025915A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008035216A1 (de) * | 2008-04-19 | 2009-10-22 | Daimler Ag | Kühlanordnung und Verfahren zum Kühlen eines temperaturempfindlichen Aggregats eines Kraftfahrzeugs |
| DE102010039028B4 (de) * | 2010-08-06 | 2012-05-31 | J. Eberspächer GmbH & Co. KG | Heiz/-Kühl-System für ein elektromotorisch betriebenes Fahrzeug |
| CN113276631B (zh) * | 2021-06-25 | 2022-07-08 | 东风汽车集团股份有限公司 | 一种整车热管理系统及汽车 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4424470C2 (de) * | 1994-07-12 | 1996-06-05 | Daimler Benz Ag | Vorrichtung zur Innenraumbeheizung eines Elektrofahrzeuges |
| DE19542125A1 (de) * | 1994-11-29 | 1996-05-30 | Bayerische Motoren Werke Ag | Heiz- und Kühlmittelkreislauf für ein Elektrofahrzeug |
| DE19730678A1 (de) * | 1997-07-17 | 1999-01-21 | Volkswagen Ag | Hybridfahrzeug mit einer Vorrichtung zur Kühlung von Antriebsbauteilen und zur Innenraumheizung |
-
2006
- 2006-08-30 FR FR0607625A patent/FR2905309B1/fr not_active Expired - Fee Related
-
2007
- 2007-08-07 EP EP07823700A patent/EP2057025A1/fr not_active Ceased
- 2007-08-07 WO PCT/FR2007/051794 patent/WO2008025915A1/fr not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008025915A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008025915A1 (fr) | 2008-03-06 |
| FR2905309B1 (fr) | 2015-03-27 |
| FR2905309A1 (fr) | 2008-03-07 |
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