WO2016030932A1 - 電池冷却構造、及びカバー板 - Google Patents
電池冷却構造、及びカバー板 Download PDFInfo
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- WO2016030932A1 WO2016030932A1 PCT/JP2014/004446 JP2014004446W WO2016030932A1 WO 2016030932 A1 WO2016030932 A1 WO 2016030932A1 JP 2014004446 W JP2014004446 W JP 2014004446W WO 2016030932 A1 WO2016030932 A1 WO 2016030932A1
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- Prior art keywords
- cooling
- cover plate
- battery pack
- battery
- passages
- Prior art date
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- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
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- 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
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- 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
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- 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
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- 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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
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- 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
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- 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
- H01M10/6565—Gases with forced flow, e.g. by blowers with recirculation or U-turn in the flow path, i.e. back and forth
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- 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
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
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- 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
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- 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
- H01M50/271—Lids or covers for the racks or secondary casings
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- 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
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- 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
- B60L2240/60—Navigation input
- B60L2240/66—Ambient conditions
- B60L2240/662—Temperature
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- 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
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- 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
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- 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
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- 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 battery cooling structure for cooling a battery.
- a battery for supplying electricity as energy to the motor is mounted.
- a secondary battery such as a lithium ion battery capable of repeated charge and discharge is used.
- the secondary battery is configured of a battery module in which battery cells are stacked, and the battery module is mounted in an automobile in a state of being housed inside a battery case.
- a battery pack including the battery case and the battery module and other internal components housed inside the battery case is referred to as a battery pack.
- cooling equipment such as a fan or a duct for taking in cooling air inside is attached.
- a battery pack may be disposed in a center console box disposed between a driver's seat and a front passenger's seat as a secondary battery mounting location in the case of a passenger car due to ambient temperature and layout requirements.
- the battery case has a cover portion disposed to surround the battery and an extension portion projecting from the cover portion toward the duct.
- the duct is disposed apart from the cover portion, is attached to the extension portion, and is fixed to the floor panel through the battery case (see Patent Document 1).
- An object of the present invention is to provide a battery cooling structure in which a battery pack and a cooling passage (a pipe through which cooling air passes) are integrated, and blocking of the flow of the cooling air due to blocking of the cooling passage is avoided.
- a plurality of cooling passages for taking in cooling air into a battery pack are formed in a surface of a cover plate which can be attached to a battery pack. Furthermore, a plurality of cooling passages are connected to each other in a direction intersecting the plurality of cooling passages on the surface of the cover plate to form a connecting passage that allows the cooling air to be flexible.
- the cooling passage and the connecting passage are formed on the surface of the cover plate attachable to the battery pack, it is not necessary to secure an extra space around or inside the battery pack. Further, by forming a plurality of cooling passages on the surface of the cover plate and forming a connecting passage between the cooling passages, when a cooling passage is closed, the cooling air is transmitted from the other cooling passage through the connecting passage. it can.
- FIG. 1 It is a figure which shows the structural example of the external appearance of the battery pack which concerns on 1st Embodiment of this invention.
- A is an external view of the suction side of the battery pack.
- B is a cross-sectional view taken along the line AA.
- C is a cross-sectional view taken along the line BB.
- A is a peripheral view of the battery pack when viewed from the exhaust side.
- B is a figure which shows the flow of the cooling air inside a battery pack.
- the battery cooling structure according to the first embodiment is realized in a battery pack 1 as shown in FIG. 1 (a).
- a cover plate 2 is attached to the suction side of the side surface of the battery pack 1.
- the cover plate 2 is a panel such as a metal plate.
- the cover plate 2 is attached to the side plate 1 a (side plate) on the intake side of the battery pack 1.
- the cover plate 2 may be integrated with the side plate 1 a on the intake side of the battery pack 1.
- the cover plate 2 itself may be the side plate 1 a on the suction side of the battery pack 1.
- cooling passages 2a, 2b, 2c for taking in cooling air into battery pack 1, and connecting passages 2d, 2e, 2f, 2g, 2h, 2i which mutually connect those cooling passages. Is provided.
- the insides of the cooling passages 2a, 2b, 2c and the connecting passages 2d, 2e, 2f, 2g, 2h, 2i are hollow, and the cooling air It is possible to pass.
- a cooling air air or the like
- cooling passages 2a, 2b, 2c and connection passages 2d, 2e, 2f, 2g, 2h, 2i are grooves of concave cross section formed integrally with the cover plate 2 by sheet metal processing (bending, pressing, etc.) is there.
- the cooling passages 2a, 2b, 2c and the connecting passages 2d, 2e, 2f, 2g, 2h, 2i are raised on the surface of the cover plate 2 and form a groove with a concave cross section in the back surface of the cover plate 2. .
- cooling passages 2a, 2b, 2c and connecting passages 2d, 2e, 2f, 2g , 2h, 2i can be provided easily. Also, layout design and change are easy.
- the above configuration is only an example. In practice, the number of cooling passages and connecting passages is arbitrary. Moreover, you may integrally mold with the cover plate 2 not only by sheet metal process but with curable resin etc.
- the cooling passages 2a and 2b are connected by connection passages 2d, 2e and 2f to form a cooling air passage.
- the cooling passages 2b and 2c are connected by connection passages 2g, 2h and 2i to form a cooling air passage.
- the cooling passages 2a, 2b, 2c extend in parallel to each other in a direction perpendicular to the floor surface (floor panel etc.) The part is open.
- the end face on the floor surface side below the cooling passages 2a, 2b, 2c is open.
- the side surface of the lower floor surface side may actually be open. That is, a part of the opening on the lower floor surface side becomes an air intake. In this way, a compact layout without waste can be realized around the battery pack 1.
- each of the cooling passages 2a, 2b and 2c is largely opened on the lower floor side, and the internal cavity narrows toward the upper ceiling side (the top plate side of the battery pack 1). Also, it is closed on the ceiling side above.
- the surfaces of the cooling passages 2a, 2b and 2c are inclined downward from the floor surface side below to the ceiling side above. Therefore, the thickness of the cooling passages 2a, 2b and 2c is close to that of the cover plate 2 on the upper ceiling side where the occupants are easily visible, and the cooling passages 2a, 2b and 2c on the surface of the cover plate 2 are not noticeable .
- the cooling passages 2a, 2b and 2c do not get in the way, and the book or the sheet can be sandwiched smoothly.
- the cooling passages 2a, 2b and 2c it is also possible to open only a part on the upper ceiling side or open both the upper ceiling side and the lower floor side.
- the air intake opening is larger than the case where only the lower floor side is partially open. Since it is close to the occupant and a slight noise (inflow noise of the cooling air) generated at the time of intake is easy for the occupant to hear, the performance is inferior in terms of quiet noise (quiet performance).
- connection passages 2d, 2e, 2f, 2g, 2h and 2i are provided parallel to one another and horizontally (parallel) to the floor surface. That is, the extending direction of the connection passages 2d, 2e, 2f, 2g, 2h, 2i is a direction orthogonal to (crosses) the extending direction of the cooling passages 2a, 2b, 2c.
- the cooling passages 2a, 2b, 2c and the connecting passages 2d, 2e, 2f, 2g, 2h, 2i are arranged in a lattice.
- the cooling passages 2a, 2b, 2c and the connection passages 2d, 2e, 2f, 2g, 2h, 2i may be arranged in a mesh shape.
- the connection passages 2d, 2e, 2f, 2g, 2h and 2i may be formed in a direction obliquely crossing the cooling passages 2a, 2b and 2c, or in an X shape.
- the connecting passages 2d, 2e, 2f, 2g, 2h and 2i for example, a book or paper sandwiched between the driver's seat or the passenger's seat and the center console box in any of the cooling passages 2a, 2b, 2c. Even when the inside of the intake port or the cooling passage is blocked due to, for example, the dust falling on the floor being sucked, the cooling air can be supplied (supplied) from the remaining cooling passage to the cooling passage through the connection passage.
- the connecting passages 2d, 2e, 2f, 2g, 2h and 2i only one of the cooling passages 2a, 2b and 2c is opened at the lower floor surface side to provide an intake port, and the other It is also possible to design the two not to have an intake port. That is, if an intake port is provided in at least one of the cooling passages 2a, 2b, 2c, the cooling air can be supplied to all the cooling passages 2a, 2b, 2c.
- the battery pack 1 accommodates a plurality of battery modules 3 in parallel.
- Each of the plurality of battery modules 3 accommodates a plurality of columnar battery cells 3a inside a casing (container) which is a rectangular parallelepiped as a whole.
- the battery cells 3a are cylindrical cells, and are accommodated in the battery module 3 in a staggered arrangement.
- the battery pack 1 accommodates three battery modules 3.
- Each battery module 3 accommodates 14 (5 + 4 + 5) battery cells 3a.
- it is not limited to these examples.
- an opening 3 b for introducing cooling air into the inside of the case is provided on the first side surface of the case of each battery module 3.
- the second side opposite to the first side is provided with another opening for discharging the cooling air from the inside of the housing.
- the cooling air taken in from the opening 3b cools the contained battery cell 3a.
- the positions of the cooling passages 2 a, 2 b and 2 c provided in the cover plate 2 and the outlets for the cooling air correspond to the positions of the openings 3 b provided in the respective battery modules 3 accommodated in the battery pack 1.
- the internal cavity of the cooling passages 2 a, 2 b, 2 c is directly connected to the opening 3 b provided in each battery module 3.
- the cooling air having passed through the cooling passages 2a, 2b and 2c is taken into the inside of the casing from the opening 3b of each battery module 3 to cool the battery cells 3a.
- the cover plate 6 is attached to the exhaust side of the side surface of the battery pack 1.
- the cover plate 6 is a panel such as a metal plate.
- the cover plate 6 is attached to the side plate 1 b (side plate) on the exhaust side of the battery pack 1.
- the cover plate 6 may be integrated with the side plate 1 b on the exhaust side of the battery pack 1.
- the cover plate 6 itself may be the side plate 1 b on the exhaust side of the battery pack 1.
- the inside of the cover plate 6 is hollow, and a part of the lower floor surface side is opened, and this opening is used as an exhaust port.
- cover plate 6 on the exhaust side of battery pack 1 As in cover plate 2 on the intake side of battery pack 1, a cooling passage and a connection passage are provided on the surface, and one floor side below the cooling passage is provided. It is also possible to open the part and use this opening as an exhaust port.
- the cover plate 6 is connected to an exhaust fan 7 provided on the floor surface. The exhaust fan 7 sucks the air inside the battery pack 1 from the exhaust port provided on the cover plate 6 on the exhaust side of the battery pack 1, whereby the cooling passages 2 a, 2 b, 2 c are taken on the intake side of the battery pack 1. The cooling air is drawn into the battery pack 1 from the opening (intake port) of the battery pack 1.
- the cooling air is drawn from the lower floor surface side to the inlets of the cooling passages 2a, 2b and 2c, passes through the inside of the battery module 3, and from the outlet of the cover plate 6. It goes to the lower floor side and is sucked out by the exhaust fan 7 on the floor.
- the cooling air is air inside a vehicle cooled by an air conditioner or the like.
- the cooling air is drawn in through the air inlets of the cooling passages 2 a, 2 b and 2 c, passes through the inside of the battery module 3, and is drawn out from the air outlet of the cover plate 6. After that, for example, it circulates in the vehicle, and may be again inhaled from the inlets of the cooling passages 2a, 2b, 2c.
- connection passages 2d, 2e, 2f, 2g, 2h, 2i are provided between the cooling passages 2a, 2b, 2c to make the cooling air flexible.
- an intrusion prevention fence may be provided in the air inlet, the cooling passage, and / or the connection passage to prevent the entry of foreign matter.
- a fence or net may be installed or formed in the cooling passage as an intrusion prevention fence.
- the shape of the intrusion prevention fence may be any of fence shape, lattice shape, mesh shape, dot hole shape and the like. That is, any shape that can prevent the entry of the foreign matter without inhibiting the passage of the cooling air as much as possible may be used.
- a plurality of cooling passages for introducing cooling air into the battery pack are formed on the surface of the cover plate attachable to the side surface of the battery pack. Furthermore, a plurality of cooling passages are connected to each other in a direction intersecting the plurality of cooling passages on the surface of the cover plate to form a connecting passage that allows the cooling air to be flexible. As described above, a plurality of cooling passages are formed on the surface of the cover plate attachable to the side surface of the battery pack, and a connection passage is formed between the cooling passages.
- cooling air can be accommodated through the connection passage.
- the cooling passage and the connection passage are formed on the surface of the cover plate, it is not necessary to secure an extra space around or inside the battery pack, and a compact layout without waste can be realized.
- the cooling passage and the connecting passage are grooves of concaved cross section integrally formed with the cover plate. In this way, the cooling passage and the connecting passage can be easily formed on the surface of the cover plate. Also, layout design and change are easy.
- the exhaust fan provided on the exhaust side of the battery pack sucks the cooling air inside the battery pack from the exhaust side of the battery pack, whereby the cooling air is drawn into the plurality of cooling passages.
- a fan By installing a fan on the exhaust side, it is sufficient for the intake side to simply provide an intake port for taking in the cooling air and a cooling passage.
- the cooling air in the battery pack is sucked from the exhaust side, the cooling air can be efficiently and surely discharged from the inside of the battery pack as compared with the case where the cooling air is pushed into the battery pack from the intake side.
- the battery pack is disposed in the center console box between the driver's seat and the passenger's seat of the vehicle.
- the cover plate is attached to the side of the battery pack.
- the plurality of cooling passages extend in parallel to each other and in the direction perpendicular to the floor surface, and a part of the floor surface is open.
- a slight noise (inflow of cooling air) generated at the time of intake as compared with the case where the intake port is provided on the top plate side of the battery pack Sound can not be heard by the passenger in the vehicle compartment, and good quietness performance can be obtained.
- the opening (intake port) of the cooling passage should be on the floor surface side in order to obtain good quiet performance. Makes a big sense.
- connection passage described in the first embodiment also functions as a reinforcing material (rib) of the cover plate for an input (collision, impact, pressure, etc.) from a direction perpendicular to the surface of the cover plate.
- the connection passage is provided intensively in a partial region on the surface of the cover plate 2, whereby the arrangement of the connection passage makes it possible to the surface of the cover plate 2.
- the battery pack 1 is disposed in a center console box disposed between the driver's seat and the passenger's seat of the vehicle.
- a general vehicle seat such as a driver's seat or a front passenger seat supports a seat back (backrest) that supports the back of a seated person, and the buttocks and thighs of the seated person It has a seat cushion (seat surface).
- This seat cushion comprises a seat cushion frame 5 that constitutes its frame.
- the seat cushion frame 5 includes a pair of left and right side frames 5a and 5b extending in the longitudinal direction of the seat, a front frame 5c connecting the front ends of the side frames 5a and 5b, and the side frames 5a and 5b.
- Side frame 5a, 5b is formed of sheet metal material.
- the front frame 5c and the rear frame 5d are formed of metal pipe material of circular cross section. However, in practice, it is not limited to the metal pipe material of circular cross section.
- the rear frame 5 d may apply a strong load to the cover plate 2 attached to the battery pack 1. Therefore, as a measure in the case where a strong load is applied to the cover plate 2, in the second embodiment, as shown in FIG. 4, the connecting passages 2d and 2e are made to approach each other, and the connecting passages 2d and 2e are connected by the connecting passage 2e. And so as to be narrower than between 2 and 2f.
- the connecting passages 2g and 2h are made to approach each other, so that the distance between the connecting passages 2g and 2h is narrower than that between the connecting passages 2h and 2i.
- the area provided with the connecting passages 2d and 2e and the connecting passages 2g and 2h in this manner is the "input protection area".
- connection passages 2d, 2e, 2g and 2h in the input protection area are provided on the surface of the cover plate 2 as the vehicle of the seat cushion frame 5 of the vehicle seat of either the driver's seat or the passenger seat close to the cover plate 2.
- the area corresponding to the movable area (movable area or position changeable area) of the pipe-shaped rear frame 5d connecting the rear ends of the pair of left and right side frames 5a and 5b extending in the front-rear direction of the seat It is formed.
- the position of the rear frame 5d in the vertical direction is adjusted in accordance with the range in which the rear frame 5d slides in the longitudinal direction along with the sliding of the vehicle seat in the front-rear direction, and the height adjustment of the vehicle seat in the vertical direction. It is formed in the area
- the input protection area on the surface of the cover plate 2 is thicker than the other areas not provided with the connection passage by the amount provided with the connection passages 2d, 2e, 2g and 2h, and the durability and rigidity against the input are large. Become.
- connection passages 2d and 2e or connection passages 2g and 2h connection passages 2d and 2e or connection passages 2g and 2h
- connection passage may be arranged intensively (formed intensively). Specifically, on the surface of the cover plate 2, the number of connection passages formed in the area closer to the lower floor surface side than the upper ceiling side (top plate side of the battery pack 1) is increased.
- the connecting passages 2d, 2e, 2g, 2h receive an input from a direction perpendicular to the surface of the cover plate 2, the connecting passages 2d, 2e, 2g, 2h are deformed or deformed When the cover plate 2 or the side plate to which it is attached supports the connection passages 2d, 2e, 2g, and 2h from behind, the influence of the input on the inside of the battery pack 1 can be reduced.
- each battery module 3 is provided with a bolt hole 3c which is a through hole.
- bolt holes 3 c are provided at four corners (or in the vicinity thereof) of each battery module 3. Since three battery modules 3 are accommodated in the battery pack 1 itself, a total of 12 bolt holes 3c are provided.
- the cover plate 2 is provided on the opposite side of the battery pack 1 with the battery pack 1 interposed therebetween through the through bolt 4 penetrating the bolt hole 3c provided in the battery module 3 described above. It is connected to the cover plate 6.
- the cover plate 2 may be connected to the side plate 1 b on the exhaust side of the battery pack 1 instead of the cover plate 6 through the through bolt 4.
- the connection method between the cover plate 2 and the side plate 1a on the intake side (attachment method) and the connection method between the cover plate 6 and the side plate 1b on the exhaust side can use existing connection methods.
- the end of the through bolt 4 is fixed by sandwiching the cover plate 2 and / or the side plate 1a on the intake side (same as the cover plate 6 and / or the side plate 1b on the exhaust side) by a member corresponding to a nut and a washer. doing.
- the cover plate 2 When a strong load is applied from the direction perpendicular to the input protection area, the cover plate 2 distributes the load to the plurality of through bolts 4 as shown in FIG. The load is transmitted to the cover plate 6. In this case, the load is directly transmitted from the cover plate 2 to the cover plate 6 through the through bolt 4 so that the side plate 1 a on the intake side and the side plate 1 b on the exhaust side of the battery pack 1 are configured. It is preferable that the load be not transmitted as much as possible.
- the cover plate 2, the through bolt 4 and the cover plate 6 are used to form a pseudo-strong case outside the side surface of the battery pack 1.
- the estimated contactable range (the range where it is estimated that contact may occur) is expanded.
- the estimated accessible range includes the movable range of the rear frame 5d.
- the input protection area includes an area where the rear frame 5 d may come in contact with the cover plate 2.
- the area on the floor surface side below the cover plate 2 (for example, the area below the center in the height direction of the cover plate 2) It is good also as all the presumed accessible areas (or input protection area).
- the through bolt 4 itself may directly receive the load by the input.
- the end of the through bolt 4 protruding on the surface of the cover plate 2 may directly receive the load by the input. That is, the through bolt 4 may also be part of the input protection area.
- the input protection area includes the through bolt 4.
- connection passage is mainly formed as a rib of the cover plate in a region estimated to be applied with a load on the surface of the cover plate.
- an input protection area is formed on the surface of the cover plate in the assembly of the connection passage, and the durability and rigidity against the input from the side surface of the power pack can be improved. it can.
- connection passage is formed on the front surface of the cover plate in the front and rear of the vehicle seat in the seat cushion frame of the vehicle seat of either the driver's seat or the front passenger's seat. It is formed in a region corresponding to the movable range of a pipe-shaped rear frame connecting the rear ends of a pair of left and right side frames extending in the direction.
- the rear frame of the vehicle seat adjacent to the cover plate of the battery pack covers the battery pack in case of emergency.
- connection passages There are a plurality of connection passages, and the number of regions closer to the floor surface side is larger than that of the top plate side of the battery pack. That is, the number of connection passages formed in the region closer to the lower floor surface side than the top plate side of the upper battery pack is increased.
- the area on the lower floor surface side is considered to correspond to the movable area of the rear frame of the vehicle seat. It is possible to properly improve the durability and rigidity of the (4)
- the load applied to the surface of the cover plate of the battery pack is transmitted to the cover plate on the opposite side of the battery pack through the through bolt. Thereby, the transmission of the load to the inside of the battery pack is prevented, and the deformation of the contents of the battery pack is prevented.
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Abstract
Description
本発明の目的は、電池パックと冷却通路(冷却風が通過する配管)とを一体化し、且つ、冷却通路の閉塞による冷却風の流れの阻害を回避する電池冷却構造を提供することである。
以下に、本発明の第1実施形態について添付図面を参照して説明する。
(構成)
第1実施形態に係る電池冷却構造は、図1(a)に示すような電池パック1において実現される。電池パック1の側面の吸気側には、カバー板2が取り付けられている。例えば、カバー板2は、金属板等のパネルである。ここでは、カバー板2は、電池パック1の吸気側の側面板1a(サイドプレート)に取り付けられている。実際には、カバー板2は、電池パック1の吸気側の側面板1aと一体化していても良い。また、カバー板2自体が、電池パック1の吸気側の側面板1aでも良い。
また、図1(a)に示すように、冷却通路2a、2b、2cは、互いに並列に、且つ、床面(フロアパネル等)に対して垂直方向に延伸し、下方の床面側の一部が開口している。例えば、冷却通路2a、2b、2cの下方の床面側の端面が開口している。なお、実際には、下方の床面側の側面が開口していても良い。すなわち、下方の床面側の一部の開口部が吸気口となる。このようにすることで、電池パック1の周辺において無駄の無いコンパクトなレイアウトが実現できる。
また、連結通路2d、2e、2f、2g、2h、2iを設けたことにより、冷却通路2a、2b、2cのいずれか1本のみ下方の床面側を開口させて吸気口を設け、他の2本には吸気口を設けないという設計も可能となる。すなわち、冷却通路2a、2b、2cのうち少なくとも1本に吸気口を設けていれば、冷却通路2a、2b、2cの全てに冷却風を供給することが可能となる。
図2に示すように、電池パック1は、複数の電池モジュール3を並列に収容している。複数の電池モジュール3の各々は、全体として直方体である筐体(容器)の内部に複数の柱状の電池セル3aを収容している。例えば、電池セル3aは円筒形セルであり、電池モジュール3に千鳥配列で収容されている。ここでは、電池パック1は、3つの電池モジュール3を収容している。個々の電池モジュール3は、14本(5本+4本+5本)の電池セル3aを収容している。但し、実際には、これらの例に限定されない。
図3(a)に示すように、電池パック1の側面の排気側には、カバー板6が取り付けられている。例えば、カバー板6は、金属板等のパネルである。ここでは、カバー板6は、電池パック1の排気側の側面板1b(サイドプレート)に取り付けられている。実際には、カバー板6は、電池パック1の排気側の側面板1bと一体化していても良い。また、カバー板6自体が、電池パック1の排気側の側面板1bでも良い。カバー板6は、内部が空洞となっており、下方の床面側の一部を開口し、この開口部を排気口としている。なお、電池パック1の排気側のカバー板6についても、電池パック1の吸気側のカバー板2と同様に、表面に冷却通路及び連結通路を設け、この冷却通路の下方の床面側の一部を開口し、この開口部を排気口としても良い。カバー板6は、床面に設けられた排気用ファン7に接続されている。排気用ファン7が、電池パック1の排気側のカバー板6に設けられた排気口から、電池パック1の内部の空気を吸い出すことで、電池パック1の吸気側において冷却通路2a、2b、2cの開口部(吸気口)から電池パック1の内部に冷却風が吸い込まれる。
このように、吸気口に冷却風を押し込むのではなく、排気口から電池パック1の中の空気を吸い出すことで、吸気口から冷却風を吸い込む構造である場合、吸気口への異物の侵入を完全に防止することや、吸気口又は冷却通路内に詰まった異物を冷却風で押し流すことは困難である。そのため、冷却通路2a、2b、2cの間に連結通路2d、2e、2f、2g、2h、2iを設けて、冷却風を融通可能にすることに大きな意味が生じる。
必要であれば、吸気口、冷却通路内、及び/又は連結通路内に、異物の侵入を防止するための侵入防止柵を設置しても良い。例えば、侵入防止柵として、冷却通路内に柵又は網を設置又は形成しても良い。侵入防止柵の形状は、柵状、格子状、網目状、ドット穴状等のいずれでも良い。すなわち、冷却風の通過を極力阻害せず、異物の侵入を防止可能な形状であれば良い。
第1実施形態によれば、以下のような効果を奏する。
(1)第1実施形態に係る電池冷却構造では、電池パックの側面に取り付け可能なカバー板の表面に、電池パック内に冷却風を取り入れるための複数の冷却通路を形成する。更に、カバー板の表面上で複数の冷却通路と交差する方向に、複数の冷却通路を互いに連結して冷却風を融通可能にする連結通路を形成する。
このように、電池パックの側面に取り付け可能なカバー板の表面に、複数の冷却通路を形成し、冷却通路同士の間に連結通路を形成する。これにより、例えば運転席又は助手席とセンターコンソールボックスとの間に挟まれた本や紙、又は床面に落ちたゴミが吸い込まれる等により、ある冷却通路が閉塞したときに、他の冷却通路から連結通路を通して冷却風を融通できる。また、カバー板の表面上に冷却通路と連結通路を形成するため、電池パックの周辺や内部に余分な空間を確保する必要が無く、無駄の無いコンパクトなレイアウトが実現できる。
このようにすることで、カバー板の表面上に冷却通路及び連結通路を容易に形成することができる。また、レイアウト設計及び変更も容易である。
排気側にファンを設置することで、吸気側は冷却風を取り込む吸気口と冷却通路を設けるだけで十分となる。更に、排気側から電池パック内の冷却風を吸い出すため、吸気側から電池パック内に冷却風を押し込む場合と比べて、電池パック内から効率良く確実に冷却風を排出することができる。
このように、冷却通路の開口部(吸気口)が床面側であるため、電池パックの天板側に吸気口を設ける場合と比べて、吸気の際に生じる僅かな音(冷却風の流入音)が車室内の乗員に聞こえ難くなり、良好な静粛性能を得ることができる。また、電池パックの上に物が置かれても、吸気口が塞がれる心配が無い。
更に、上記の(3)のように吸気側において吸気口から冷却風を吸い込む構造を実現した場合、良好な静粛性能を得るため、冷却通路の開口部(吸気口)を床面側にすることに大きな意味が生じる。
以下に、本発明の第2実施形態について説明する。
第2実施形態に係る電池パック1の構成については、基本的に第1実施形態と同様である。
第1実施形態で説明した連結通路は、カバー板の表面に対して垂直な方向からの入力(衝突、打撃、加圧等)に対するカバー板の補強材(リブ)としても機能する。第2実施形態では、図4に示すように、カバー板2の表面上の一部の領域に、重点的に連結通路を設けることで、連結通路の配置により、カバー板2の表面に対して垂直な方向からの入力に対する耐久性や剛性を向上させた「入力防護領域」を形成する。
シートクッションフレーム5は、図6に示すように、シート前後方向に延びる左右一対のサイドフレーム5a、5bと、サイドフレーム5a、5bの各前端部を連結したフロントフレーム5cと、サイドフレーム5a、5bの各後端部を連結したリアフレーム5dとを含んで構成されている。サイドフレーム5a、5bは、板金材料によって形成されている。フロントフレーム5c及びリアフレーム5dは、円形断面の金属製のパイプ材によって形成されている。但し、実際には、円形断面の金属製のパイプ材に限定されない。
そこで、カバー板2に強い加重が加わる場合の対策として、第2実施形態では、図4に示すように、連結通路2dと2eとを接近させ、連結通路2dと2eとの間が連結通路2eと2fとの間よりも狭くなるように設ける。同様に、連結通路2gと2hとを接近させ、連結通路2gと2hとの間が連結通路2hと2iとの間よりも狭くなるように設ける。このように連結通路2d、2e及び連結通路2g、2hを設けた領域が「入力防護領域」となる。
また、入力防護領域において、上下方向に2本の連結通路(連結通路2dと2e、又は連結通路2gと2h)を並べて配置することで、1本の連結通路のみを設ける場合と比べて、構造上、入力に対する耐久性及び剛性が大きくなり、且つ、入力による荷重を2本の連結通路に分散することができる。
また、連結通路2d、2e、2g、2hがカバー板2の表面に対して垂直な方向からの入力を受けた場合には、連結通路2d、2e、2g、2hが変形することや、変形した連結通路2d、2e、2g、2hをカバー板2又はそれを取り付けた側面板が裏から支えることにより、入力による電池パック1の内部への影響を低減することができる。
ここでは、図4及び図5に示すように、カバー板2は、上記の電池モジュール3に設けられているボルト穴3cを貫通する通しボルト4を介して、電池パック1を挟んで反対側のカバー板6と連結している。実際には、カバー板2は、通しボルト4を介して、カバー板6ではなく、電池パック1の排気側の側面板1bと連結していても良い。若しくは、カバー板2とカバー板6ではなく、電池パック1の吸気側の側面板1aと排気側の側面板1bとが、通しボルト4を介して連結していても良い。この場合、カバー板2と吸気側の側面板1aとの連結方法(取り付け方法)、及びカバー板6と排気側の側面板1bとの連結方法については、既存の連結方法を利用できるため、特に限定しない。通しボルト4の端部は、ナットと座金に相当する部材により、カバー板2及び/又は吸気側の側面板1a(カバー板6及び/又は排気側の側面板1bも同様)を挟持して固定している。
なお、実際には、入力防護領域は、強い衝撃を受けてリアフレーム5dが突出、変形又は破損し、可動域を超えてカバー板2に接触する事態に備えて、リアフレーム5dの可動域よりも拡大した推定接触可能範囲(接触が起こり得ると推定される範囲)にすると好ましい。推定接触可能範囲は、リアフレーム5dの可動域を内包する。このように、入力防護領域は、リアフレーム5dがカバー板2に接触する可能性のある領域を含んでいる。
また、実際には、通しボルト4自体が、入力による荷重を直接受けても良い。例えば、カバー板2の表面に突出した通しボルト4の端部が、入力による荷重を直接受けても良い。すなわち、通しボルト4も、入力防護領域の一部であっても良い。この場合、入力防護領域は、通しボルト4を含む。
第2実施形態によれば、第1実施形態に係る電池冷却構造と同様の作用効果を奏し、更に以下のような効果を奏する。
(1)第2実施形態に係る電池冷却構造では、連結通路は、カバー板のリブとして、カバー板の表面上で荷重が加えられると推定される領域に重点的に形成されている。
このように、連結通路の配置を工夫することにより、連結通路の集合体でカバー板の表面上に入力防護領域を形成し、電源パックの側面からの入力に対する耐久性や剛性を向上させることができる。
電池パックが車両の運転席と助手席との間のセンターコンソールボックス内に配置されている場合、有事の際に、電池パックのカバー板に近接した車両用シートのリアフレームが、電池パックのカバー板の表面に荷重を加える可能性がある。そこで、連結通路の配置をリアフレームの可動域に対応させることで、的確に荷重を受け止めることが可能な入力防護領域を形成することができる。
カバー板の表面上において、下方の床面側の領域は車両用シートのリアフレームの可動域に対応すると考えられるため、下方の床面側の領域に連結通路を集中配置することで、カバー板の耐久性及び剛性を的確に向上させることが可能となる。
(4)電池パックのカバー板の表面に加えられた荷重を、通しボルトを介して電池パックの反対側のカバー板に伝達する。
これにより、電池パックの内部への荷重の伝達を防止し、電池パックの内容物の変形を防止する。
なお、上記の各実施形態は、任意に組み合わせて実施することも可能である。以上、本発明の実施形態を詳述してきたが、実際には、上記の実施形態に限られるものではなく、本発明の要旨を逸脱しない範囲の変更があっても本発明に含まれる。
1a 側面板(吸気側)
1b 側面板(排気側)
2 カバー板(吸気側)
2a、2b、2c 冷却通路
2d、2e、2f、2g、2h、2i 連結通路
3 電池モジュール
3a 電池セル
3b 開口部
3c ボルト穴
4 通しボルト
5 シートクッションフレーム
5a、5b サイドフレーム
5c フロントフレーム
5d リアフレーム
6 カバー板(排気側)
7 排気用ファン
Claims (8)
- 電池パックに取り付け可能なカバー板の表面に形成され、前記電池パック内に冷却風を取り入れるための複数の冷却通路と、
前記カバー板の表面上で前記複数の冷却通路と交差する方向に形成され、前記複数の冷却通路を互いに連結して前記冷却風を融通可能にする連結通路と、を備えることを特徴とする電池冷却構造。 - 前記冷却通路及び前記連結通路は、前記カバー板と一体成形された断面凹型の溝である請求項1に記載の電池冷却構造。
- 前記電池パックの排気側に設けられた排気用ファンを更に備え、
前記排気用ファンが前記電池パックの排気側から前記電池パックの内部の前記冷却風を吸い出すことで、前記複数の冷却通路に前記冷却風が吸い込まれる請求項1又は2に記載の電池冷却構造。 - 前記電池パックは、車両の運転席と助手席との間のセンターコンソールボックス内に配置され、
前記カバー板は、前記電池パックの側面に取り付けられ、
前記複数の冷却通路は、互いに並列に、且つ、床面に対して垂直方向に延伸し、前記床面側の一部が開口している請求項1から請求項3のいずれか一項に記載の電池冷却構造。 - 前記連結通路は、前記カバー板の表面上において、前記カバー板に近接する運転席及び助手席のいずれかの車両用シートのシートクッションフレームのうち前記車両用シートの前後方向に延びる左右一対のサイドフレームの各後端部を連結するパイプ状のリアフレームの可動域に対応する領域に形成されている請求項4に記載の電池冷却構造。
- 前記連結通路は複数であり、前記電池パックの天板側よりも床面側に近い領域のほうの本数が多い請求項4又は請求項5に記載の電池冷却構造。
- 前記カバー板の表面に加えられた荷重を、前記電池パックの反対側のカバー板に伝達する通しボルトを更に備える請求項4から請求項6のいずれか一項に記載の電池冷却構造。
- 冷却風が通過する複数の冷却通路が表面に形成され、
前記複数の冷却通路を互いに連結して前記冷却風を融通可能にする連結通路が前記表面上で前記複数の冷却通路と交差する方向に形成され、
電池パックに取り付けられることを特徴とするカバー板。
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CN201480081643.1A CN106605331B (zh) | 2014-08-29 | 2014-08-29 | 电池冷却构造和盖板 |
US15/507,092 US10084216B2 (en) | 2014-08-29 | 2014-08-29 | Battery cooling structure and the cover plate |
RU2017110094A RU2640572C1 (ru) | 2014-08-29 | 2014-08-29 | Структура охлаждения аккумуляторной батареи |
PCT/JP2014/004446 WO2016030932A1 (ja) | 2014-08-29 | 2014-08-29 | 電池冷却構造、及びカバー板 |
MYPI2017700648A MY175556A (en) | 2014-08-29 | 2014-08-29 | Battery cooling structure and the cover plate |
EP14900998.7A EP3188305B1 (en) | 2014-08-29 | 2014-08-29 | Vehicle comprising a battery cooling structure |
MX2017002166A MX365686B (es) | 2014-08-29 | 2014-08-29 | Estructura de enfriamiento de batería y la placa de cubierta. |
JP2016545093A JP6237913B2 (ja) | 2014-08-29 | 2014-08-29 | 電池冷却構造、及びカバー板 |
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DE102018210575B4 (de) * | 2018-06-28 | 2022-07-07 | Volkswagen Aktiengesellschaft | Vorrichtung zur Reduzierung einer Krafteinwirkung auf eine Batterie, sowie Kraftfahrzeug mit einer solchen Vorrichtung |
US10763556B2 (en) | 2018-12-10 | 2020-09-01 | Volvo Car Corporation | Vehicle battery assembly utilizing side cooling plates |
UA135453U (uk) | 2019-04-10 | 2019-06-25 | Олександр Сергійович Цихмістро | Акумуляторна батарея |
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US10084216B2 (en) | 2018-09-25 |
RU2640572C1 (ru) | 2018-01-10 |
EP3188305B1 (en) | 2018-11-21 |
MX2017002166A (es) | 2017-05-01 |
JP6237913B2 (ja) | 2017-11-29 |
EP3188305A1 (en) | 2017-07-05 |
JPWO2016030932A1 (ja) | 2017-04-27 |
MX365686B (es) | 2019-06-11 |
CN106605331B (zh) | 2018-05-01 |
US20170288284A1 (en) | 2017-10-05 |
EP3188305A4 (en) | 2017-09-20 |
CN106605331A (zh) | 2017-04-26 |
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