WO2012055367A1 - Système de chauffage, ventilation et climatisation d'air pour un véhicule électrique ou un véhicule électrique hybride - Google Patents

Système de chauffage, ventilation et climatisation d'air pour un véhicule électrique ou un véhicule électrique hybride Download PDF

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Publication number
WO2012055367A1
WO2012055367A1 PCT/CN2011/081433 CN2011081433W WO2012055367A1 WO 2012055367 A1 WO2012055367 A1 WO 2012055367A1 CN 2011081433 W CN2011081433 W CN 2011081433W WO 2012055367 A1 WO2012055367 A1 WO 2012055367A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
battery
flap
air intake
ventilating
Prior art date
Application number
PCT/CN2011/081433
Other languages
English (en)
Inventor
Zhenwu Hu
Qianhong Yang
Original Assignee
Valeo Automotive Air Conditionning Hubei Co., Ltd.
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
Priority claimed from CN201010524780.1A external-priority patent/CN102452293B/zh
Application filed by Valeo Automotive Air Conditionning Hubei Co., Ltd. filed Critical Valeo Automotive Air Conditionning Hubei Co., Ltd.
Priority to JP2013535271A priority Critical patent/JP5933569B2/ja
Priority to EP11835640.1A priority patent/EP2652834A4/fr
Publication of WO2012055367A1 publication Critical patent/WO2012055367A1/fr

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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 [HVAC] 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 [HVAC] devices
    • B60H1/00007—Combined heating, ventilating, or cooling devices
    • B60H1/00021—Air flow details of HVAC devices
    • B60H1/00028—Constructional lay-out of the devices in the vehicle
    • 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
    • B60L1/04—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits fed by the power supply line
    • B60L1/06—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits fed by the power supply line using only one supply
    • 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
    • H01M10/65—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
    • 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
    • H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • 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 [HVAC] devices
    • B60H1/00007—Combined heating, ventilating, or cooling devices
    • B60H1/00021—Air flow details of HVAC devices
    • B60H2001/0015—Temperature regulation
    • B60H2001/00178—Temperature regulation comprising an air passage from the HVAC box to the exterior of the cabin
    • 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 [HVAC] 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
    • 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
    • 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
    • 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 discloses an HVAC (Heating, Ventilating and Air Conditioning) system for an electric vehicle or hybrid electric vehicle, in particular an HVAC system to conduct conditioned air in the cabin as well as to adjust temperature of the battery cells.
  • HVAC Heating, Ventilating and Air Conditioning
  • the battery powering the engine comprises a plurality of battery cells, in particular of the NiMH or Lithium- ion type.
  • a proper running of the battery typically requires a certain temperature range to which the battery should be subjected.
  • the temperature of the battery usually exceeds that range due to environmental temperatures, heats from the vehicle engine and the battery itself, etc. HVAC systems are thus required to adjust the temperature of the battery, in particular to cool the battery cells to avoid efficiency decreases or even explosions of the battery cells due to overheating.
  • US application No. 2006/0073378 discloses an HVAC system for an electric vehicle or hybrid electric vehicle. The HVAC system disclosed in US application No.
  • 2006/0073378 comprises an air conditioning apparatus for cabin, in which are arranged a blower, an evaporator, and a radiator.
  • the air conditioning apparatus is provided with an opening on the bottom, said opening being in communication with the duct leading to the battery, thereby at least a portion of the cooled air at low temperature provided by the air conditioning apparatus for cabin could be used to cool the battery.
  • a first flap combined with a second flap is provided at the opening. The first flap opens or closes the opening leading to the duct, and the second flap opens or closes an opening supplying air to the radiator.
  • the HVAC system is capable of utilizing the air outside the cabin to cool the battery.
  • the duct is provided with an air intake for introducing the air outside the cabin, as well as a third flap to open or close the said air intake.
  • the HVAC system according to US application No.2006/0073378 has a complicated structure, with a large number of parts thereof.
  • the present invention aims to further optimize the structure of the HVAC system for an electric vehicle or hybrid electric vehicle, thereby decreasing the occupied space of the system and the manufacturing cost.
  • an HVAC (Heating, Ventilating and Air Conditioning) system for an electric vehicle or hybrid electric vehicle comprising: a casing, a blower disposed within the casing and an air duct for the battery disposed outside the casing.
  • the casing includes a first air intake opening provided upstream of the blower and a first air discharge opening provided downstream of the blower, wherein the air duct for the battery is connected to the first air discharge opening.
  • the air duct for the battery has an air intake opening for the battery communicating with the interior of a cabin, and an air intake controlling valve for battery which controls the air fed to the battery with options:
  • the air intake controlling valve for the battery comprises a first flap which simultaneously controls the first air discharge opening and the air intake opening for the battery.
  • the first flap is movable between two extreme positions. Moreover, the first flap closes the first air discharge opening in the first extreme position, and closes the air intake opening for the battery in the second extreme position.
  • the casing further comprises a second discharge opening for feeding air to the cabin and a closing valve for controlling the second discharge opening.
  • the closing valve When the cabin air temperature is below or equal to 15°C, the closing valve is in the open position and the first flap is in the first extreme position.
  • the closing valve When the cabin air temperature is above 15°C but below or equal to 20°C, the closing valve is in the close position, and the first flap is in the second extreme position. Finally, when the cabin air temperature is above 20 °C, the closing flap is in the open position and the first flap is in the second extreme position.
  • a secondary blower is also provided inside the air duct for the battery.
  • the first flap comprises a closing portion and a pivoting portion, wherein the closing portion has a shape of plate, and the first flap is pivotably mounted to the casing or the air duct for the battery via the pivoting portion.
  • the first flap comprises a closing portion, a pivoting portion and a supporting portion, wherein the closing portion is provided with a cylindrical surface, the first flap is pivotably mounted to the air duct for the battery via the pivoting portion, and the supporting portion connects the pivoting portion and the closing portion.
  • the casing is further provided with a second air intake opening between the first air intake opening and the blower, wherein the first air intake opening is connected to the exterior of the cabin, and the second air intake opening is connected to the interior of the cabin.
  • a filter is also provided between the first air intake opening and the blower.
  • the first air intake opening and the second air intake opening are controlled by a second flap which is movable between two extreme positions, and the second flap closes the first air intake opening in the first extreme position and closes the second air intake opening in the second extreme position.
  • the second flap comprises a closing portion and a pivoting portion, wherein the closing portion has a shape of plate, and the second flap is pivotably mounted to the casing via the pivoting portion.
  • the second flap comprises a closing portion, a pivoting portion and a supporting portion, wherein the closing portion is provided with a cylindrical surface, the second flap is pivotably mounted to the casing via the pivoting portion, and the supporting portion connects the pivoting portion and the closing portion.
  • the present invention simplifies the structure of the HVAC system significantly, which saves the spaces occupied and decreases the number of the parts, thereby decreasing the manufacturing costs.
  • FIG. 1 is a schematic view of a HVAC system for an electric vehicle and hybrid electric vehicle in accordance with a first embodiment of the present invention
  • Figure 2 is a schematic structural view of a first flap in accordance with the first embodiment of the present invention.
  • FIG. 3 is a schematic view of a HVAC system for an electric vehicle and hybrid electric vehicle in accordance with a second embodiment of the present invention
  • Figure 4 is a schematic structural view of a first flap in accordance with the second embodiment of the present invention
  • Figure 5 is a schematic view of a HVAC system for an electric vehicle and hybrid electric vehicle in accordance with a third embodiment of the present invention.
  • FIG. 1 is a schematic view of a HVAC system for an electric vehicle and hybrid electric vehicle in accordance with a first embodiment of the present invention.
  • the HVAC system comprises a casing 110, a blower 120 disposed within the casing 110, an evaporator 130 and a radiator 140 disposed downstream of the blower 120, etc.
  • the HVAC system further comprises an air duct for the cabin 150 disposed outside the casing
  • the casing 110 has a first air intake opening 111 provided upstream of the blower 120, as well as a first air discharge opening 112 and a second air discharge opening 113 provided downstream of the evaporator 130.
  • the first air discharge opening 112 is completely different from the second air discharge opening 113, both in positions and functions.
  • the first air discharge opening 112 is connected to the air duct for the battery 160, solely to supply the conditioned air into the battery cells via the air duct for the battery 160.
  • the second air discharge opening 113 is connected to the air duct for the cabin 150, serving as a typical opening in HVAC systems to supply the conditioned air to the cabin.
  • the blower 120 creates an airflow within the casing 110 between the first air intake opening 111 and the first air discharge opening 112 and/or the second air discharge opening 113.
  • terms 'downstream' and 'upstream' in the present specification are defined in relation with the airflow direction within the casing 110 between the first air intake opening
  • the first air discharge opening 112 is disposed in the casing 110, downstream of the blower 120 and the evaporator 130.
  • the air discharge opening 112 is disposed in the casing 110 upstream of the radiator 140.
  • figure 1 schematically illustrates that the first air discharge opening 112 and the second air discharge opening 113 are disposed on different sides of the casing , it should not be considered as limiting, but rather, the relative positions between the first air discharge opening
  • the second air discharge opening 113 could be optimized freely dependent on the position of the battery within the electric vehicle or the hybrid electric vehicle as well as the position of the air duct for the cabin 150.
  • the air duct for the battery 160 further comprises an air intake opening for the battery 161 leading to the outside of the casing.
  • the air intake opening for the battery 161 could be disposed around or close to the first air discharge opening 112, thereby enabling a simplified design of an air intake controlling valve for the battery, which is used to open or close the air intake opening for the battery 161 and disposed around or close to the first air discharge opening 112.
  • the air intake opening for the battery 161 is in communication with the interior of the cabin 190.
  • the air intake controlling valve for battery controls the air fed to the battery with options:
  • the air intake opening for the battery 161 in communication with the interior of the cabin is provided in the air duct for the battery 160, clean and/or recycled air of proper temperature in the cabin could serve as another source of the cooled air fed to the battery cells in addition to the air conditioned by the HVAC system, thereby increasing the reliability of the system for cooling the battery and saving energy.
  • the air intake opening for the battery 161 could also communicate with the exterior of the cabin.
  • the air outside the cabin i.e., environmental air and/or fresh air
  • the air intake opening for the battery 161 could also communicate with the exterior of the cabin and with the interior of the cabin 190.
  • a selecting mode flap is provided to select the air from the exterior of the cabin and/or from the interior of the cabin 190.
  • an additional filter may also be provided at the air intake opening for the battery 161 of the air duct for the battery 160, in order to ensure the cleanliness of the cooled air.
  • the air intake controlling valve for the battery of the HVAC system takes the form of a first flap 170.
  • the first flap 170 is used to open or close the air intake opening for the battery 161 and the first air discharge opening 112.
  • the first flap 170 could be positioned into the casing 110, or into the air duct for the battery 160.
  • a secondary blower 162 is also arranged inside the air duct for the battery 160.
  • the secondary blower 162 could be positioned inside the air duct for the battery 160 and downstream of the air intake opening for the battery 161.
  • other air feeding devices could be used without providing a secondary blower 162.
  • the structure of the first flap 170 in accordance with the first embodiment of the present invention is schematically shown in Figure 2.
  • the first flap 170 comprises a closing portion 1701 and a pivoting portion 1701.
  • the closing portion 1701 has a shape of plate, being pivotably mounted into the casing 110 or the air duct for the battery 160 through the pivoting portion 1702.
  • Figure 2 schematically illustrates that the closing portion 1701 is of a rectangular shape. It should be understood, by those skilled in the art, that the shape of the closing portion 1701 is not limited to rectangular, but any shape that could close, in a sealing way, the first air discharge opening 112 and/or the air intake opening for the battery 161.
  • the first flap 170 is movable between two extreme positions.
  • the solid line within the dashed circle illustrates the situation where the first flap 170 is in the first extreme position.
  • the first flap 170 in the first extreme position closes the first discharge opening 112, admitting only the air (preferably, clean or recycled air of proper temperature in the cabin) from the air intake opening for the battery 161 into the air duct for the battery 160.
  • the dotted line within the dashed circle illustrates the situation where the first flap 170 is in the second extreme position.
  • the first flap 170 in the second extreme position closes the air intake opening for the battery 161, admitting only the air from casing 110 cooled by the evaporator (namely cooled air, or conditioned air) into the air duct for the battery 160.
  • both of the first air discharge opening 112 and the air intake opening for the battery 161 are partially open, allowing both the air from the air intake opening for the battery 161 and the cooled air from the casing 110 into the air duct for the battery 160, forming an air mixture to cool the battery.
  • the ratio between the airs from the air intake opening for the battery 161 and/or from the casing 110 in the mixture could be adjusted by adjusting the position of the first flap 170.
  • the casing 110 further comprises a second discharge opening 113 for feeding air to the cabin and a closing valve 180 for controlling the second discharge opening.
  • the closing valve 180 when the cabin air temperature is below or equal to 15°C, the closing valve 180 is in the open position and the first flap 170 is in the first extreme position, only air from the cabin though the air intake opening for the battery 161 is fed to the battery cells.
  • the closing valve 180 When the cabin air temperature is above 15°C but below or equal to 20°C, the closing valve 180 is in the close position, and the first flap 170 is in the second extreme position, only cooled air from the HVAC system is fed to the battery cells.
  • the closing flap 180 when cabin air temperature is above 20°C, the closing flap 180 is in the open position and the first flap 170 is in the second extreme position, only cooled air from the HVAC system is fed to the battery cells.
  • the cooled air from the HVAC system is also fed to the cabin to adjust the cabin air temperature.
  • an air intake opening for the battery 161 another source for cooled air could be added in addition to the cooled air from the HVAC system to cool the battery cells, thereby increasing the reliability of the system for cooling the battery and increasing the energy efficiency.
  • it is not necessary to provide an additional filter in case of providing an air intake opening for the battery 161 communicating with the interior of the cabin, it is not necessary to provide an additional filter, thereby simplifying the structure of the HVAC system, and eliminating the energy cost due to the additional filter.
  • the first embodiment significantly simplifies the structure of the HVAC system, decreases the spaces occupied and lowers the costs.
  • FIG 3 is a schematic view of the HVAC system for an electric vehicle and hybrid electric vehicle.
  • the structure of the HVAC system in accordance with the second embodiment is similar to the structure of the HVAC system in accordance with the first embodiment. Therefore, similar parts are denoted by similar reference numbers. The only difference is on the structure of the first flap.
  • Figure 4 is a schematic view of the structure of the first flap 270 in accordance with the second embodiment of the present invention. As shown in Figure 4, the first flap 270 comprises a closing portion 2701, a pivoting portion 2702, and a supporting portion 2703. The closing portion 2701 is provided with a cylindrical surface. The first flap 270 is pivotably mounted into the casing 110 or the air duct for the battery 160 through the pivoting portion 2702.
  • the supporting portion 2703 connects the pivoting portion 2702 and the closing portion 2701.
  • the supporting portion 2703 is preferably of the rod shape, but could be of any other shape.
  • this embodiment significantly simplifies the structure of the HVAC system, decreases the spaces occupied and lowers the costs
  • FIG. 5 is a schematic view of the HVAC system for an electric vehicle and hybrid electric vehicle.
  • the similarities between the HVAC system in accordance with the third embodiment and the HVAC system in accordance with the second embodiment will not be described again. Therefore, similar parts are denoted by similar reference numbers. The differences between them will be described as follow.
  • the casing 110 further has a second air intake opening 312 provided between the first air intake opening 111 and the blower 120.
  • the first air intake 111 is in communication with the exterior of the cabin; the second air intake opening 312 is in communication with the interior of the cabin 190.
  • an air filter 380 may be provided downstream of the first air intake opening 111 and the second air intake opening 312 and upstream of the blower 120, in order to clean the air sucked from the first air intake opening 11 land/or the second air intake opening 312.
  • the ratio between the air from the exterior of the cabin and the air from the interior of the cabin in the air sucked into the casing 110 could be adjusted as required, thereby keeping the air fresh and saving energy.
  • the air intake opening for the battery 161 is provided communicating with the exterior of the cabin 190, not requiring a separate filter, thereby simplifying the structure.
  • one second flap 390 could open and close the first air intake opening 111 and the second air intake opening 312.
  • the structure of the second flap 390 could be that of the first flap 170 in accordance with the first embodiment, or that of the first flap 270 in accordance with the second embodiment.
  • the adjustment of the ratio between the air from the exterior of the cabin and the air from the interior of the cabin 190 in the air sucked into the casing 110 could be implemented by any of the structures.
  • the second flap 390 is of the plate shape.
  • the second flap 390 could be of the structure as shown in figure 4 or any other shape that could be recognized by those skilled in the art.

Abstract

L'invention concerne un système de chauffage, ventilation et climatisation d'air (CVCA) pour un véhicule électrique ou un véhicule électrique hybride comprenant une enceinte (110), un souffleur (120) disposé dans l'enceinte (110) et une conduite d'air de batterie (160) disposé à l'extérieur du boîtier (110). Le boîtier (110) comprend une première entrée d'air (111) disposée en amont du souffleur (120) et une première sortie d'air (112) disposée en aval d'un évaporateur (130). La conduite d'air de batterie (160) est connectée à la première sortie d'air (112). La conduite d'air de batterie (160) a une entrée d'air de batterie (161) communiquant avec l'intérieur d'une chambre (190) et une vanne de commande d'admission d'air qui commande l'alimentation d'air vers la batterie avec les options : (a) alimenter en air refroidi depuis le système CVCA à travers la première sortie d'air (112) ; (b) alimenter en air depuis la chambre (190) à travers l'entrée d'air de la batterie (161) ; (c) alimenter en air à partir d'une combinaison de (a) et de (b). La vanne de commande d'admission d'air comprend un premier clapet (170, 270) qui est mobile entre deux positions extrêmes. Le premier clapet (170, 270) ferme la première sortie d'air (112) dans la première position extrême et ferme l'entrée d'air de batterie (161) dans la seconde position extrême. La structure du système CVCA est optimisée et l'espace occupé par le système et les coûts de fabrication sont réduits.
PCT/CN2011/081433 2010-10-29 2011-10-27 Système de chauffage, ventilation et climatisation d'air pour un véhicule électrique ou un véhicule électrique hybride WO2012055367A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013535271A JP5933569B2 (ja) 2010-10-29 2011-10-27 電動車両またはハイブリッド電動車両の暖房、換気、および空調システム
EP11835640.1A EP2652834A4 (fr) 2010-10-29 2011-10-27 Système de chauffage, ventilation et climatisation d'air pour un véhicule électrique ou un véhicule électrique hybride

Applications Claiming Priority (2)

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CN201010524780.1A CN102452293B (zh) 2010-10-29 电动或混合动力汽车的采暖、通风与空调系统
CN201010524780.1 2010-10-29

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EP (1) EP2652834A4 (fr)
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CN103344074A (zh) * 2013-07-15 2013-10-09 合肥华凌股份有限公司 用于冰箱的风道组件和具有其的冰箱
CN109927535A (zh) * 2017-12-16 2019-06-25 郑州宇通客车股份有限公司 导风罩
FR3083009A1 (fr) * 2018-06-26 2019-12-27 Valeo Systemes Thermiques Dispositif de ventilation pour vehicule automobile

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KR102582794B1 (ko) * 2021-11-29 2023-09-26 (주)대한솔루션 하이브리드차의 고전압 배터리용 배기 덕트

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Also Published As

Publication number Publication date
CN102452293A (zh) 2012-05-16
JP5933569B2 (ja) 2016-06-15
EP2652834A1 (fr) 2013-10-23
EP2652834A4 (fr) 2017-11-15
JP2013544700A (ja) 2013-12-19

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