EP2614545A1 - Motor vehicle comprising a cooling circuit for an electrical power supply module - Google Patents

Motor vehicle comprising a cooling circuit for an electrical power supply module

Info

Publication number
EP2614545A1
EP2614545A1 EP11773491.3A EP11773491A EP2614545A1 EP 2614545 A1 EP2614545 A1 EP 2614545A1 EP 11773491 A EP11773491 A EP 11773491A EP 2614545 A1 EP2614545 A1 EP 2614545A1
Authority
EP
European Patent Office
Prior art keywords
power supply
supply module
vehicle
fan
space
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.)
Withdrawn
Application number
EP11773491.3A
Other languages
German (de)
French (fr)
Inventor
Sébastien JACOB
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Publication of EP2614545A1 publication Critical patent/EP2614545A1/en
Withdrawn legal-status Critical Current

Links

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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/63—Control systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
    • 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
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/667—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an electronic component, e.g. a CPU, an inverter or a capacitor
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • 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
    • 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
    • Y02T10/72—Electric energy management in electromobility
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • the present invention relates to a vehicle, in particular a motor vehicle. More specifically, the vehicle comprises a compartment comprising a power supply module, a space containing electrical components associated with the power supply module, and a cooling device of the electrical supply module by cooling air circulation forced by ventilation means.
  • the cooling circuit of EP1786058 includes a first specific fan for drawing air to a battery and a second fan for drawing air to a DC / DC converter.
  • the present invention aims to overcome these disadvantages by providing a compact solution, to remove the calories effectively and simply to optimize the size of the cooling circuit and the thermal and sound comfort of passengers.
  • the present invention proposes a vehicle, in particular a motor vehicle, which comprises a compartment comprising a power supply module, a space containing electrical components associated with the power supply module, and a cooling device for the power module.
  • power supply by forced cooling air circulation by means of ventilation characterized in that the cooling device comprises a fan disposed downstream of the power supply module, a cooling air exhaust duct which connects the fan to the compartment power supply module, and a valve to put the evacuation conduit in communication with said space.
  • said electrical components comprise a charger of the power supply module.
  • said cooling device comprises an exhaust air duct discharging air from the fan to the outside of the vehicle.
  • said power supply module comprises a battery.
  • the valve is controlled according to the temperature of said space.
  • said receptacle is constituted by the trunk of the vehicle.
  • the valve is directly mounted on a wall of the exhaust duct.
  • the power supply module is disposed in the trunk space of the vehicle.
  • Figure 1 is a perspective view of a rear part of a motor vehicle on which is installed a power supply module and its cooling circuit according to the invention
  • Figure 2 is a rear side view of the vehicle, mounting a valve according to the invention.
  • FIG. 1 there is shown a vehicle structure part 1.
  • the hybrid type vehicle comprises an electric motor, not shown, powered by a power supply module 10.
  • the power supply module 10 comprises a high-voltage battery installed in the trunk and cooled by air by sucking the air in the passenger compartment and rejecting the air sucked in. outside by means of a fan 16 placed behind a rear wheel arch.
  • the structure 1 comprises at least one floor, defining the lower part of the passenger compartment of the vehicle, which carries elements for the interior of the vehicle.
  • the structure 1 comprises at least one floor, defining the lower part of the passenger compartment of the vehicle, which carries elements for the interior of the vehicle.
  • Figure 1 only the rear portion 2 of the floor is shown.
  • the power supply module 10 is fixed in the trunk of the vehicle, behind the rear seats of the vehicle which are not represented. Its fixing is carried out on sleepers and / or side members arranged nearby.
  • the power supply module 10 may include any arrangement for storing and supplying power and / or power to the electric motor. This arrangement may for example comprise unitary elements, such as lead-acid batteries, Lithium Ion cells, in prismatic, cylindrical, flexible bag ... and interconnected by electrical circuits.
  • the power supply module 10 is contained in a receptacle closed by a cover, intended to receive and protect the power supply module, and forming a rigid and hermetic housing. In the example shown in Figure 1, the power supply module 10 is a battery.
  • the cooling circuit has from its inlet to its outlet: a non-visible inlet duct, supplying fresh air from the passenger compartment compartment comprising the power supply module 10, an exhaust duct 15 recovering the heated air as it passes through the compartment, a fan or blower 16 intended to accelerate the evacuation of the hot air towards the outside of the compartment; vehicle, and an air exhaust duct 17 bent at its outlet for discharging hot air under the floor of the vehicle.
  • the inlet of the discharge duct 15 is here hermetically connected to the long side of the compartment comprising the power supply module 10.
  • the air outlet of the compartment is substantially at the upper level.
  • the outlet duct 15 is hermetically connected to the inlet of the fan 16.
  • the output 12 of the fan opens at an orifice 3 made in the floor 2 of the trunk of the vehicle.
  • the extraction duct 17 is hermetically connected to the fan 16, outside the floor 2.
  • the extraction duct 17 comprises a straight portion whose free end 171 is bent towards the outside of the vehicle.
  • the right portion of the exhaust duct and the elbow portion in extension prevent any upwelling by projection to the bottom of the floor.
  • the length of the right part, and the orientation of the bent portion are optimized to promote the evacuation of hot air while avoiding the rise of liquid or solid projections.
  • organs particularly related to hybrid vehicles, can be located in the trunk as shown in Figure 2.
  • Such bodies include a charger 4.
  • the valve 19 makes it possible to use the conduit 15 and the cooling fan 16 of the battery to extract the hot air from the space constituted by the box during the operation of the elements present, in particular the charger 4.
  • the charger 4 heats up and gives off heat in the trunk.
  • the valve 19, controlled as a function of the temperature in the trunk opens and allows the hot air to be sucked into the air outlet duct of the battery and expelled to the outside by the same fan as for hot air from the battery.
  • valve 19 allows to have a single cooling system for several cooled bodies. There is then no additional noise is linked to a fan ⁇ cond.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

The invention relates to a vehicle, in particular a motor vehicle, which comprises a compartment containing a power supply module (10), a space containing electrical components associated with the battery, and a device for cooling the module by the circulation of cooling air, said circulation being forced by ventilation means, characterized in that the cooling device comprises a fan (16) positioned downstream of the module, a cooling air discharge pipe (15) which connects the fan (16) to the compartment containing the power supply module (10), and a shutter (19) for placing the discharge pipe (15) in communication with said space.

Description

VEHICULE AUTOMOBILE COMPORTANT UN CIRCUIT DE REFROIDISSEMENT D ' UN MODULE D ' ALIMENTATION ELECTRIQUE  MOTOR VEHICLE COMPRISING A COOLING CIRCUIT OF AN ELECTRIC POWER MODULE
La présente invention concerne un véhicule, notamment un véhicule automobile. Plus précisément, le véhicule comporte un compartiment comportant un module d'alimentation électrique, un espace contenant des organes électriques associés au module d'alimentation électrique, et un dispositif de refroidissement du module d'alimentation électrique par circulation d'air de refroidissement forcée par des moyens de ventilation. The present invention relates to a vehicle, in particular a motor vehicle. More specifically, the vehicle comprises a compartment comprising a power supply module, a space containing electrical components associated with the power supply module, and a cooling device of the electrical supply module by cooling air circulation forced by ventilation means.
Ainsi par exemple, le circuit de refroidissement du document EP1786058 comprend un premier ventilateur spécifique pour puiser de l'air vers une batterie et un deuxième ventilateur pour puiser de l'air vers un convertisseur CC/CC.  For example, the cooling circuit of EP1786058 includes a first specific fan for drawing air to a battery and a second fan for drawing air to a DC / DC converter.
L'ajout d'un ou plusieurs ventilateurs pour refroidir des organes du véhicule distincts de la batterie, présente de nombreux inconvénients, en termes de coût, d'encombrement et de nuisance sonore.  The addition of one or more fans for cooling vehicle components separate from the battery, has many disadvantages, in terms of cost, space and noise.
La présente invention a pour but de pallier ces inconvénients en proposant une solution compacte, permettant d'évacuer les calories efficacement et simplement, d'optimiser l'encombrement du circuit de refroidissement et le confort tant thermique que sonore des passagers.  The present invention aims to overcome these disadvantages by providing a compact solution, to remove the calories effectively and simply to optimize the size of the cooling circuit and the thermal and sound comfort of passengers.
A cet effet, la présente invention propose un véhicule, notamment un véhicule automobile, qui comporte un compartiment comportant un module d'alimentation électrique, un espace contenant des organes électriques associés au module d'alimentation électrique, et un dispositif de refroidissement du module d'alimentation électrique par circulation d'air de refroidissement forcée par des moyens de ventilation, caractérisé en ce que le dispositif de refroidissement comprend un ventilateur disposé en aval du module d'alimentation électrique, un conduit d'évacuation d'air de refroidissement qui relie le ventilateur au compartiment du module d'alimentation électrique, et un clapet pour mettre le conduit d'évacuation en communication avec ledit espace. For this purpose, the present invention proposes a vehicle, in particular a motor vehicle, which comprises a compartment comprising a power supply module, a space containing electrical components associated with the power supply module, and a cooling device for the power module. power supply by forced cooling air circulation by means of ventilation, characterized in that the cooling device comprises a fan disposed downstream of the power supply module, a cooling air exhaust duct which connects the fan to the compartment power supply module, and a valve to put the evacuation conduit in communication with said space.
Selon une caractéristique, lesdits organes électriques comprennent un chargeur du module d'alimentation électrique.  According to one characteristic, said electrical components comprise a charger of the power supply module.
Selon une autre caractéristique, ledit dispositif de refroidissement comprend un conduit d'extraction d'air évacuant l'air provenant du ventilateur vers l'extérieur du véhicule.  According to another characteristic, said cooling device comprises an exhaust air duct discharging air from the fan to the outside of the vehicle.
Selon une autre caractéristique, ledit module d'alimentation électrique comprend une batterie.  According to another characteristic, said power supply module comprises a battery.
Selon une autre caractéristique, le clapet est piloté en fonction de la température dudit espace.  According to another characteristic, the valve is controlled according to the temperature of said space.
Selon une autre caractéristique, ledit réceptacle est constitué par le coffre du véhicule.  According to another characteristic, said receptacle is constituted by the trunk of the vehicle.
Selon une autre caractéristique, le clapet est directement monté sur une paroi du conduit d'évacuation.  According to another characteristic, the valve is directly mounted on a wall of the exhaust duct.
Selon une autre caractéristique, le module d'alimentation électrique est disposé dans l'espace du coffre du véhicule.  According to another characteristic, the power supply module is disposed in the trunk space of the vehicle.
D'autres caractéristiques et avantages de l'invention apparaîtront au cours de la description qui va suivre, donnée à titre d'exemple et faite en référence aux dessins annexés, sur lesquels :  Other features and advantages of the invention will become apparent from the following description, given by way of example and with reference to the appended drawings, in which:
la figure 1 est une vue en perspective d'une partie arrière de véhicule automobile sur laquelle est installée un module d'alimentation électrique et son circuit de refroidissement selon l'invention ;  Figure 1 is a perspective view of a rear part of a motor vehicle on which is installed a power supply module and its cooling circuit according to the invention;
la figure 2 est une vue de côté arrière du véhicule, montant un clapet conforme à l'invention.  Figure 2 is a rear side view of the vehicle, mounting a valve according to the invention.
Sur les figures, les mêmes éléments portent la même référence numérique.  In the figures, the same elements carry the same numerical reference.
Sur la figure 1, on a représenté une partie de structure 1 de véhicule. Le véhicule, de type hybride, comporte un moteur électrique, non représenté, alimenté par un module d'alimentation électrique 10. Dans l'exemple illustré par la figure 1, le module d'alimentation électrique 10, comprend une batterie haute tension implantée dans le coffre et refroidie par air en aspirant l'air de l'habitacle et en rejetant l'air aspiré à l'extérieur au moyen d'un ventilateur 16 placé derrière un passage de roue arrière. In Figure 1, there is shown a vehicle structure part 1. The hybrid type vehicle comprises an electric motor, not shown, powered by a power supply module 10. In the example illustrated in FIG. 1, the power supply module 10 comprises a high-voltage battery installed in the trunk and cooled by air by sucking the air in the passenger compartment and rejecting the air sucked in. outside by means of a fan 16 placed behind a rear wheel arch.
L'air alors aspiré dans l'habitacle pour passer au travers de la batterie puis dans un conduit 15 relié au ventilateur 16 qui expulse l'air vers l'extérieur, permet de refroidir la batterie qui chauffe lorsque le véhicule hybride roule.  The air then sucked into the passenger compartment to pass through the battery then into a duct 15 connected to the fan 16 which expels the air to the outside, allows to cool the battery that heats when the hybrid vehicle rolls.
De manière connue, la structure 1 comporte au moins un plancher, délimitant la partie inférieure de l'habitacle du véhicule, qui porte des éléments destinés à l'aménagement de l'intérieur du véhicule. Sur la figure 1, seule la partie arrière 2 du plancher est représentée .  In known manner, the structure 1 comprises at least one floor, defining the lower part of the passenger compartment of the vehicle, which carries elements for the interior of the vehicle. In Figure 1, only the rear portion 2 of the floor is shown.
Le module d'alimentation électrique 10 est fixé dans le coffre du véhicule, derrière les sièges arrière du véhicule qui ne sont pas représentés. Sa fixation est réalisée sur des traverses et/ou longeronnets disposés à proximité .  The power supply module 10 is fixed in the trunk of the vehicle, behind the rear seats of the vehicle which are not represented. Its fixing is carried out on sleepers and / or side members arranged nearby.
Le module d'alimentation électrique 10 peut inclure tout agencement destiné à stoker et fournir de l'énergie et/ou de la puissance au moteur électrique. Cet agencement peut par exemple comprendre des éléments unitaires, tels que des batteries au plomb, des cellules Lithium Ion, se présentant sous forme prismatique, cylindrique, de sachet souple ... et reliés entre eux par des circuits électriques. Le module d'alimentation électrique 10 est contenu dans un réceptacle fermé par un couvercle, destiné à recevoir et à protéger le module d'alimentation, et formant un boîtier rigide et hermétique. Dans l'exemple représenté sur la figure 1, le module d'alimentation 10 est une batterie.  The power supply module 10 may include any arrangement for storing and supplying power and / or power to the electric motor. This arrangement may for example comprise unitary elements, such as lead-acid batteries, Lithium Ion cells, in prismatic, cylindrical, flexible bag ... and interconnected by electrical circuits. The power supply module 10 is contained in a receptacle closed by a cover, intended to receive and protect the power supply module, and forming a rigid and hermetic housing. In the example shown in Figure 1, the power supply module 10 is a battery.
Le circuit de refroidissement comporte de son entrée vers sa sortie : un conduit d'entrée non visible, fournissant l'air frais provenant de l'habitacle au compartiment comportant le module d'alimentation électrique 10, un conduit d'évacuation 15 récupérant l'air réchauffé lors de son passage dans le compartiment, un ventilateur ou pulseur 16 destiné à accélérer l'évacuation de l'air chaud vers l'extérieur du véhicule, et un conduit d'extraction d'air 17 coudé à sa sortie permettant d'évacuer l'air chaud sous le plancher du véhicule. The cooling circuit has from its inlet to its outlet: a non-visible inlet duct, supplying fresh air from the passenger compartment compartment comprising the power supply module 10, an exhaust duct 15 recovering the heated air as it passes through the compartment, a fan or blower 16 intended to accelerate the evacuation of the hot air towards the outside of the compartment; vehicle, and an air exhaust duct 17 bent at its outlet for discharging hot air under the floor of the vehicle.
L'entrée du conduit 15 d'évacuation, est ici branchée hermétiquement sur le long côté du compartiment comportant le module d'alimentation électrique 10.  The inlet of the discharge duct 15 is here hermetically connected to the long side of the compartment comprising the power supply module 10.
La sortie d'air du compartiment est sensiblement au niveau supérieur.  The air outlet of the compartment is substantially at the upper level.
Le conduit de sortie 15 est branché hermétiquement à l'entrée du ventilateur 16.  The outlet duct 15 is hermetically connected to the inlet of the fan 16.
La sortie 12 du ventilateur débouche au niveau d'un orifice 3 réalisé dans le plancher 2 du coffre du véhicule .  The output 12 of the fan opens at an orifice 3 made in the floor 2 of the trunk of the vehicle.
Le conduit d'extraction 17 est branché hermétiquement sur le ventilateur 16, à l'extérieur du plancher 2.  The extraction duct 17 is hermetically connected to the fan 16, outside the floor 2.
Le conduit d'extraction 17 comporte une partie droite dont l'extrémité libre 171 est coudée vers l'extérieur du véhicule.  The extraction duct 17 comprises a straight portion whose free end 171 is bent towards the outside of the vehicle.
La partie droite du conduit d'évacuation et la partie coudée en prolongement permettent d'empêcher toute remontée d'eau par projection vers le dessous du plancher .  The right portion of the exhaust duct and the elbow portion in extension prevent any upwelling by projection to the bottom of the floor.
La longueur de la partie droite, et l'orientation de la partie coudée sont optimisées pour favoriser l'évacuation de l'air chaud tout en évitant les remontées de projections liquide ou solide.  The length of the right part, and the orientation of the bent portion are optimized to promote the evacuation of hot air while avoiding the rise of liquid or solid projections.
D'autres organes, liés notamment aux véhicules hybrides, peuvent être implantés dans le coffre comme représenté en figure 2. De tels organes comprennent notamment un chargeur 4. De façon à pouvoir refroidir ces organes sans avoir à concevoir un système de ventilation supplémentaire, on pilote un clapet 19 sur le conduit d'air 15 en sortie de batterie. Le clapet 19 permet d'utiliser le conduit 15 et le ventilateur 16 de refroidissement de la batterie pour extraire l'air chaud de l'espace constitué par le coffre lors du fonctionnement des organes présents, notamment du chargeur 4. Other organs, particularly related to hybrid vehicles, can be located in the trunk as shown in Figure 2. Such bodies include a charger 4. In order to be able to cool these organs without having to design an additional ventilation system, we pilot a flap 19 on the air duct 15 at the battery outlet. The valve 19 makes it possible to use the conduit 15 and the cooling fan 16 of the battery to extract the hot air from the space constituted by the box during the operation of the elements present, in particular the charger 4.
Lorsque le véhicule est en charge, le chargeur 4 chauffe et dégage de la chaleur dans le coffre. A ce moment là, le clapet 19, piloté en fonction de la température dans le coffre, s'ouvre et permet à l'air chaud d'être aspiré dans le conduit de sortie d'air de la batterie et expulsé vers l'extérieur par le même ventilateur que pour l'air chaud de la batterie.  When the vehicle is charging, the charger 4 heats up and gives off heat in the trunk. At this moment, the valve 19, controlled as a function of the temperature in the trunk, opens and allows the hot air to be sucked into the air outlet duct of the battery and expelled to the outside by the same fan as for hot air from the battery.
Ainsi, le clapet 19 permet d'avoir un seul système de refroidissement pour plusieurs organes refroidis. Il n'existe alors pas de bruit supplémentaire lié à un se¬ cond ventilateur. Thus, the valve 19 allows to have a single cooling system for several cooled bodies. There is then no additional noise is linked to a fan ¬ cond.
Bien évidemment, l'invention n'est pas limitée au mode de réalisation décrit ci-dessus. Ainsi, d'autres formes peuvent être données aux conduits d'entrée et de sortie sans pour autant sortir du cadre de la présente invention .  Obviously, the invention is not limited to the embodiment described above. Thus, other shapes can be given to the inlet and outlet ducts without departing from the scope of the present invention.

Claims

REVENDICATIONS
1. Véhicule, notamment un véhicule automobile, qui comporte un compartiment comportant un module d'alimentation électrique (10), un espace contenant des organes électriques associés au module d'alimentation électrique (10), et un dispositif de refroidissement du module d'alimentation électrique (10) par circulation d'air de refroidissement forcée par des moyens de ventilation, caractérisé en ce que le dispositif de refroidissement comprend un ventilateur (16) disposé en aval du module d'alimentation électrique, un conduit (15) d'évacuation d'air de refroidissement qui relie le ventilateur (16) au compartiment du module d'alimentation électrique (10), et un clapet (19) pour mettre le conduit (15) d'évacuation en communication avec ledit espace et en ce que lesdits organes électriques comprennent un chargeur (4) du module d'alimentation électrique (10). A vehicle, in particular a motor vehicle, which comprises a compartment comprising a power supply module (10), a space containing electrical components associated with the power supply module (10), and a cooling device for the power supply module. power supply (10) by forced cooling air circulation by ventilation means, characterized in that the cooling device comprises a fan (16) disposed downstream of the power supply module, a conduit (15) for a cooling air outlet which connects the fan (16) to the compartment of the power supply module (10), and a valve (19) for communicating the drain duct (15) with said space and in that said electrical members comprise a charger (4) of the power supply module (10).
2. Véhicule selon la revendication 1, caractérisé en ce que ledit module d'alimentation électrique (10) comprend une batterie. 2. Vehicle according to claim 1, characterized in that said power supply module (10) comprises a battery.
3. Véhicule selon l'une des revendications précédentes, caractérisé en ce que le clapet (19) est piloté en fonction de la température dudit espace. 3. Vehicle according to one of the preceding claims, characterized in that the valve (19) is controlled according to the temperature of said space.
4. Véhicule selon l'une des revendications précédentes, caractérisé en ce que ledit espace est constitué par le coffre du véhicule. 4. Vehicle according to one of the preceding claims, characterized in that said space is constituted by the trunk of the vehicle.
5. Véhicule selon l'une des revendications précédentes, caractérisé en ce que le clapet (19) est directement monté sur une paroi du conduit (15) d'évacuation. 5. Vehicle according to one of the preceding claims, characterized in that the valve (19) is directly mounted on a wall of the duct (15) discharge.
6. Véhicule selon l'une des revendications précédentes, caractérisé en ce qu'il comprend un conduit d'extraction d'air (17) évacuant l'air provenant du ventilateur (16) vers l'extérieur du véhicule. 6. Vehicle according to one of the preceding claims, characterized in that it comprises an exhaust air duct (17) discharging the air from the fan (16) to the outside of the vehicle.
EP11773491.3A 2010-09-09 2011-09-08 Motor vehicle comprising a cooling circuit for an electrical power supply module Withdrawn EP2614545A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1057156A FR2964798B1 (en) 2010-09-09 2010-09-09 MOTOR VEHICLE COMPRISING A COOLING CIRCUIT OF AN ELECTRIC POWER SUPPLY MODULE
PCT/FR2011/052061 WO2012032271A1 (en) 2010-09-09 2011-09-08 Motor vehicle comprising a cooling circuit for an electrical power supply module

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EP2614545A1 true EP2614545A1 (en) 2013-07-17

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WO (1) WO2012032271A1 (en)

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JP6175405B2 (en) * 2014-05-30 2017-08-02 日立建機株式会社 Construction machinery
FR3084526B1 (en) * 2018-07-26 2020-07-31 Psa Automobiles Sa COOLING SYSTEM OF A LITHIUM-ION ONBOARD NETWORK BATTERY
FR3107008B1 (en) * 2020-02-11 2022-01-07 Renault Sas Arrangement of a rear part of a vehicle comprising a device for thermal regulation of a battery
FR3120827A1 (en) * 2021-03-19 2022-09-23 Psa Automobiles Sa TRACTION BATTERY SYSTEM OF AN ELECTRIC OR HYBRID VEHICLE WITH VENTILATION

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WO2012032271A1 (en) 2012-03-15
FR2964798B1 (en) 2013-03-15

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