WO2009102014A1 - Battery cooling system - Google Patents

Battery cooling system Download PDF

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Publication number
WO2009102014A1
WO2009102014A1 PCT/JP2009/052404 JP2009052404W WO2009102014A1 WO 2009102014 A1 WO2009102014 A1 WO 2009102014A1 JP 2009052404 W JP2009052404 W JP 2009052404W WO 2009102014 A1 WO2009102014 A1 WO 2009102014A1
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WO
WIPO (PCT)
Prior art keywords
battery
cooling
cooling system
air conditioner
refrigerant
Prior art date
Application number
PCT/JP2009/052404
Other languages
French (fr)
Japanese (ja)
Inventor
Toshiyuki Motohashi
Toshikazu Yoshihara
Masayuki Nakamura
Original Assignee
Calsonic Kansei Corporation
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 Calsonic Kansei Corporation filed Critical Calsonic Kansei Corporation
Publication of WO2009102014A1 publication Critical patent/WO2009102014A1/en

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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
    • H01M50/202—Casings or frames around the primary casing of a single cell or a single 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
    • B60H1/00271—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
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • 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
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • 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
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • 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
    • H01M10/65—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
    • 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
    • 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
    • B60L2240/40—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

Definitions

  • the present invention belongs to the technical field of a battery cooling system installed in a vehicle and used for driving the vehicle.
  • Patent Document 1 Japanese Patent No. 32409773 (page 1-13, all figures)
  • the present invention has been made paying attention to the above-described problems, and the object of the present invention is to provide a battery cooling system that can suppress the temperature rise of a parked battery and can extend the life of the battery. It is to provide.
  • a case in which a battery for charging / discharging is housed a heat storage means that is integrally provided inside the wall surface of the case and stores heat, and cooling that cools the heat storage means Means.
  • the temperature rise of the parked battery can be suppressed, and the battery life can be extended.
  • FIG. It is explanatory drawing which shows the vehicle installation position of the battery cooling system of Example 1.
  • FIG. It is a structure explanatory drawing of the battery pack of the battery cooling system of Example 1.
  • FIG. It is a structure explanatory sectional view of the battery pack of the battery cooling system of Example 1. It is a figure which shows the outline of the block structure regarding cooling of the battery cooling system of Example 1.
  • FIG. It is explanatory drawing of the installation structure to the vehicle of the battery cooling system of Example 2.
  • FIG. It is explanatory drawing which shows the cooling structure of the battery cooling system of Example 2.
  • FIG. 10 is an explanatory diagram illustrating a cooling structure of a battery cooling system according to a sixth embodiment. It is explanatory drawing of the outline of the air conditioning system of Example 6.
  • FIG. 10 is an explanatory diagram illustrating a cooling structure of a battery cooling system according to a sixth embodiment. It is explanatory drawing of the outline of the air conditioning system of Example 6.
  • FIG. 1 is an explanatory diagram illustrating a vehicle installation position of the battery cooling system according to the first embodiment.
  • FIG. 2 is an explanatory diagram of the structure of the battery pack of the battery cooling system according to the first embodiment.
  • FIG. 3 is a cross-sectional view illustrating the structure of the battery pack of the battery cooling system according to the first embodiment.
  • the battery pack 1 includes a case 2, a battery 3, a cooling fan 4, a cooling passage unit 5, and a cold storage unit 6.
  • the case 2 is a structural member that protects the battery 3 and installs the battery pack 1 in the vehicle.
  • the battery 3 is a lithium ion battery that performs charge and discharge by exchanging lithium ions between electrodes. Lithium-ion batteries have the advantageous feature that no so-called memory effect occurs.
  • the battery 3 used for running the vehicle is an assembled battery in which a plurality of lithium ion batteries are combined in parallel or in series.
  • JP-A-2000-116427 is cited as a detailed example of the battery pack for traveling.
  • the structure of the assembled battery is not limited to this detailed example, but a plurality of the minimum units in which plate-like lithium ion batteries are combined are used. The total number reaches several dozen.
  • the battery pack 1 has a structure in which plate-shaped batteries 3 are arranged on the left and right sides in the case 2 so that the longitudinal direction of the vehicle is the longitudinal direction. Then, cooling air is introduced into the inside of the case 2 from the cooling passage portion 5 installed on the front side of the case 2, and is discharged to the outside of the case 2 from the discharge port 21 provided at the rear portion of the case 2. At this time, inside the case 2, as shown in FIG. 3, a part of the support portion above and to the left and right sides of the battery 3 and below the battery 3 serves as a cooling air passage 22.
  • the cold storage unit 6 of the first embodiment is integrally provided below the case 2, and as shown in FIG. 3, the cold storage agents 61 are arranged on the left and right sides of the vehicle front-rear direction, respectively. A long space is provided in the direction, and this is used as a cooling air passage 62. Then, cooling air is introduced into the passage 62 inside the cold storage unit 6 from the cooling passage unit 5 installed on the front side of the case 2 and the cold storage unit 6, and is discharged from the discharge port 63.
  • the cold storage agent 61 is made of nitric acid / ammonium chloride, polypropylene glycol, a water-absorbing polymer, vegetable cellulose, or the like.
  • the cooling fan 4 is installed in the upper part of the case 2, and the fan is electrically driven by the control of the battery controller 7 to blow air to the cooling passage portion 5.
  • a blower fan that blows air by rotating a cylindrical object is mentioned.
  • the cooling passage portion 5 is a front portion of the case 2 and the cold storage portion 6 and is a passage for sending the air blown from the cooling fan 4 to the passage 22 of the case 2 and the passage 62 of the cold storage portion 6.
  • FIG. 4 is a schematic diagram illustrating a block configuration related to cooling of the battery cooling system according to the first embodiment.
  • the battery pack 1 includes temperature sensors 71 and 72 that detect the temperature of each battery 3 and an SOC sensor 73 that detects the charging rate of the battery 3.
  • the detection results of the temperature sensors 71 and 72 and the SOC sensor 73 are input to the battery controller 7.
  • the battery controller 7 drives the cooling fan 4 to blow air. Further, the air may be blown even when a predetermined condition is satisfied.
  • the temperature sensors 71 and 72 detect the temperature of the battery 3 in the battery pack 1 during traveling. Then, when the battery temperature becomes equal to or higher than a predetermined temperature due to repeated charge and discharge of the battery during traveling, the cooling fan 4 is driven under the control of the battery controller 7 so that the temperature of the battery 3 becomes equal to or lower than the predetermined temperature. .
  • the cooling air passes from the cooling passage portion 5 through the passage 22 inside the case 2 and is discharged from the discharge port 21 to the outside of the case 2.
  • the battery 3 can output the output relating to the driving of the vehicle satisfactorily without being damaged by the temperature rise.
  • the air blown from the cooling fan 4 that cools the battery 3 is distributed by the cooling passage portion 5, and a part of the air flows toward the cold storage portion 6 and passes through the passage 62 inside the cold storage portion 6.
  • the agent 61 is cooled.
  • the battery 3 may have a significant temperature rise due to a high load applied to the battery 3.
  • the cool storage agent 61 is cooled together with the battery 3 in this way, in the case where the temperature rise of the running battery is significant, in addition to the cooling air cooling by the cooling fan 4, the cool storage unit 6 for the amount of cool storage up to that point is performed.
  • the cooling from is performed from below.
  • the battery temperature control by the battery controller 7 is not performed.
  • the temperature of the battery 3 further increases because of the increase in the temperature of the passenger compartment caused by leaving under the sun in addition to the self-heating of the battery due to the use so far.
  • the cool storage unit 6 is provided integrally with the case 2 below the battery 3 and is cooled by the cooling fan 4 in the same manner as the battery 3 during traveling. Therefore, the heat that rises while the battery 3 is parked is absorbed by the cold storage unit 6. Therefore, the temperature rise of the battery 3 at the time of parking is suppressed so that the battery deteriorates and does not shorten the battery life. Thereby, the battery life can be extended.
  • the battery controller 7 basically controls the cooling fan 4 so as to lower the temperature of the battery 3 by the temperature sensors 71 and 72.
  • heat storage control for driving the cooling fan 4 may be performed at a time when the cooling fan 4 is not yet at a starting temperature. Then, the cooling while the battery 3 is traveling is also coordinated with the cold storage unit 6, and the time for rotating the cooling fan 4 at a high speed can be shortened or the high-speed rotation can be avoided. Then, the cooling fan 4 is driven with low noise, and the quietness in the passenger compartment can be ensured. At that time, the temperature change of the battery 3 itself is suppressed. In other words, the cool storage unit 6 causes the battery 3 to be provided with a damper for temperature change. Then, it is less likely that the temperature of the battery is increased, which affects the life, and the life of the battery can be extended.
  • Case 2 in which a battery 3 for charging / discharging is housed, a cold storage unit 6 that is integrally provided inside the wall surface of the case 2 and stores heat, a cooling fan 4 and a cooling passage for cooling the cold storage unit 6 Since the part 5 is provided, the temperature rise of the parked battery can be suppressed, and the battery life can be extended.
  • the cooling means includes the cooling fan 4 that sends cooling air to the battery 3 and the cooling passage portion 5 that distributes part of the air blown to the battery 3 to the cold storage portion 6, the cooling means cools the battery 3.
  • Cold storage can be performed by a part of the wind, the temperature rise of the parked battery can be suppressed, and the battery life can be extended.
  • the battery cooling system of the second embodiment is an example in which the cool storage agent is cooled by the air-conditioner wind of the front air conditioner.
  • FIG. 5 is an explanatory diagram of an installation structure of the battery cooling system according to the second embodiment on a vehicle.
  • FIG. 6 is an explanatory diagram illustrating a cooling structure of the battery cooling system according to the second embodiment.
  • the second embodiment with respect to the battery pack 1 having the cold storage unit 6 integrally provided on the lower surface of the case 2 housing the battery 3, a part of the cold storage unit 6 is inside the cooling air duct 8 from the front air conditioner 23. It is the structure exposed to.
  • FIG. 7 is a schematic explanatory diagram of an air conditioning system of the battery cooling system according to the second embodiment.
  • the system of the front air conditioner 23 sends the high-pressure refrigerant compressed by the electric compressor 102 to the condenser 101 to cool and dissipate the heat, liquefies the refrigerant, then removes moisture and dust in the liquid tank 103 and sends the liquefied refrigerant to the solenoid valve 81.
  • the refrigerant flow rate of the refrigerant line 201 toward the air conditioning evaporator 106 is controlled.
  • the refrigerant is expanded to a low pressure by a valve (not shown), the refrigerant is evaporated by the air conditioning evaporator 106, the air sent to the passenger compartment by the fan 104 is cooled, and the evaporated low-pressure refrigerant is collected by the refrigerant line 202 to be recovered from the electric compressor 102. It is circulated as if it is sent to.
  • FIG. 8 is a schematic explanatory diagram of the internal unit 9 of the battery cooling system according to the second embodiment.
  • the duct 8 is connected to a portion where the air flow generated by the fan 104 is distributed to the center ventilator, the foot side, or the like in the space of the internal unit 9 after passing through the air conditioning evaporator 106.
  • a part of the cooling air passes through the duct 8 to form a passage structure that cools the cold storage unit 6 of the battery pack 1. Since other configurations are the same as those of the first embodiment, description thereof is omitted.
  • the cooling air after passing through the air conditioning evaporator 106 is taken out from the internal unit 9 by the duct 8 in the front air conditioner 23. And the cool storage part 6 is exposed to the inside through which the cooling air of the duct 8 passes.
  • the front air conditioner 23 is almost always used by a driver who drives the vehicle, and the front air conditioner 23 is surely used by the driver when the environment of the vehicle is under hot weather.
  • the cooling air taken out by the duct 8 becomes low temperature by the air conditioning evaporator 106. Therefore, the cool storage unit 6 is sufficiently cooled during traveling.
  • the battery 3 is cooled by the cool storage unit 6 sufficiently cooled by the cooling air of the front air conditioner 23.
  • the battery pack 1 may or may not be provided with the cooling fan 4.
  • the cool storage unit 6 is sufficiently cooled in advance by the cooling air of the front air conditioner 23, so that the heat that rises during the parking of the battery 3 is generated by the cool storage unit. 6 is sufficiently absorbed. Therefore, the temperature rise of the battery 3 at the time of parking is suppressed so that the battery deteriorates and does not shorten the battery life. Thereby, the battery life can be extended.
  • the battery cooling system according to the second embodiment has the following effects in addition to the above (1).
  • the cooling means is the duct 8 that takes in a part of the cooling air of the internal unit 9 of the front air conditioner 23 provided in the vehicle and cools the cool storage unit 6, the cooling unit uses the cooling air of the front air conditioner 23. 6 can be performed, the temperature rise of the parked battery can be suppressed, and the battery life can be extended. Since other functions and effects are the same as those of the first embodiment, description thereof is omitted.
  • the battery cooling system of the third embodiment is an example in which the cool storage agent is cooled by the air-conditioner wind of the rear air conditioner.
  • FIG. 9 is an explanatory diagram of an installation structure of the battery cooling system according to the third embodiment in a vehicle.
  • FIG. 10 is an explanatory diagram illustrating a cooling structure of the battery cooling system according to the third embodiment.
  • FIG. 11 is a schematic explanatory diagram of the internal unit 11 of the rear air conditioner of the battery cooling system according to the third embodiment.
  • a part of the cold storage unit 6 is inside the cooling air duct 10 from the rear air conditioner 24. It is the structure exposed to.
  • the duct 10 has a structure in which one end is connected to a part of the internal unit 11 of the rear air conditioner 24, the cooling air is taken into the interior, and after passing through the cool storage unit 6, the air is exhausted to the outside air.
  • the air flow generated by the fan 107 is distributed to the foot side in the space of the internal unit 11 after passing through the air conditioning evaporator 108.
  • the duct 10 is connected. A part of the cooling air of the rear air conditioner 24 passes through the duct 10 to form a passage structure that cools the cold storage unit 6 of the battery pack 1. Since other configurations are the same as those of the second embodiment, description thereof is omitted.
  • the cooling air taken out from the internal unit 11 by the duct 10 cools the cold storage unit 6 with little loss. In other words, cooling is performed efficiently. Therefore, the cooling air taken out by the duct 10 becomes low temperature by the air conditioning evaporator 108. Therefore, the cool storage unit 6 is sufficiently cooled during traveling. As a result, when the temperature of the battery 3 rises significantly during traveling, the battery 3 is cooled by the cool storage unit 6 sufficiently cooled by the cooling air of the rear air conditioner 24.
  • the battery pack 1 may or may not be provided with the cooling fan 4.
  • the cool storage unit 6 is sufficiently cooled by the cooling air of the rear air conditioner 24 in advance, the heat that rises during the parking of the battery 3 is generated by the cool storage unit. 6 is sufficiently absorbed. Therefore, the temperature rise of the battery 3 at the time of parking is suppressed so that the battery deteriorates and does not shorten the battery life. Thereby, the battery life can be extended.
  • the battery cooling system according to the third embodiment has the following effects in addition to the above (1).
  • the cooling means is the duct 10 that takes in a part of the cooling air of the internal unit 11 of the rear air conditioner 24 provided in the vehicle and cools the cool storage unit 6, the cooling unit uses the cooling air of the rear air conditioner 24. 6 can be performed, the temperature rise of the parked battery can be suppressed, and the battery life can be extended. Since other functions and effects are the same as those of the second embodiment, description thereof is omitted.
  • the battery cooling system according to the fourth embodiment is an example in which the heat storage agent is cooled through the cold plate by the refrigerant of the front air conditioner.
  • FIG. 12 is an explanatory diagram of an installation structure of the battery cooling system according to the fourth embodiment in a vehicle.
  • FIG. 13 is an explanatory diagram illustrating a cooling structure of the battery cooling system according to the fourth embodiment.
  • FIG. 14 is an explanatory diagram of a cold plate of the battery cooling system according to the fourth embodiment.
  • the battery pack 1 provided integrally with the cold storage unit 6 on the lower surface of the case 2 containing the battery 3 is further cold-contacted with the lower surface of the cold storage unit 6, that is, the lower surface of the battery pack 1.
  • a plate 12 is provided.
  • the cold plate 12 is provided with a refrigerant inlet 121 and an outlet 122 of the front air conditioner 23 at the front end, and forms a flow path through which the refrigerant passes in a U shape.
  • the battery pack 1 may or may not be provided with the cooling fan 4.
  • FIG. 15 is a schematic explanatory diagram of an air conditioner system according to a fourth embodiment.
  • the system of the front air conditioner 23 according to the fourth embodiment is provided with a refrigerant line 201 that goes from the electromagnetic valve 81 to the air conditioning evaporator 106 and a refrigerant line 203 that sends the refrigerant to the cold plate 12.
  • the refrigerant discharged from the outlet 122 of the cold plate 12 is collected by the refrigerant line 204.
  • the refrigerant line 204 joins the refrigerant line 202 from the air conditioning evaporator 106 to the electric compressor 102. Since other configurations are the same as those of the first embodiment, description thereof is omitted.
  • the cool storage unit 6 is sufficiently cooled by the heat transfer of the cold plate 12 cooled by the refrigerant, and the cool storage unit 6 cools the battery 3. Further, even in the case of standing in the sun when parked, since the cold storage unit 6 is sufficiently cooled by the cold plate 12 in advance, the heat that rises during the parking of the battery 3 is sufficient for the cold storage unit 6. Endothermic. Therefore, the temperature rise of the battery 3 at the time of parking is suppressed so that the battery deteriorates and does not shorten the battery life. Thereby, the battery life can be extended.
  • the battery cooling system according to the fourth embodiment has the following effects in addition to the above (1).
  • the cooling means brings a part of the plate surface into contact with the cool storage unit 6 and passes a part of the refrigerant of the front air conditioner 23 provided in the vehicle into the plate to cool the cool storage unit 6 by heat transfer. Since it is the cold plate 12, the cold storage unit 6 can be sufficiently cooled by the cold plate 12 sufficiently cooled by the refrigerant, the temperature rise of the parked battery can be suppressed, and the battery life can be extended. can do. Since other functions and effects are the same as those of the first embodiment, description thereof is omitted.
  • the battery cooling system of Example 5 is an example in which the heat storage agent is cooled by a refrigerant of a front air conditioner via a cold pipe.
  • FIG. 16 is an explanatory diagram of a cold plate of the battery cooling system according to the fifth embodiment.
  • the battery pack 1 provided with the cold storage unit 6 integrally on the lower surface of the case 2 housing the battery 3 is further cold-contacted so as to be in contact with the lower surface of the cold storage unit 6, that is, the lower surface of the battery pack 1.
  • a pipe 13 is provided.
  • the cold pipe 13 has one end of a U-shaped tube 130 having a U shape as an inlet 131 and the other end as an outlet 132.
  • the cold pipe 13 is in contact with the lower surface of the regenerator 6 inside the U shape.
  • a hot plate 133 is provided.
  • the refrigerant line 203 is connected to the inlet 131 of the U-shaped tube 130, and the refrigerant line 204 is connected to the outlet 132 of the pipe.
  • the battery pack 1 may or may not be provided with the cooling fan 4. Since other configurations are the same as those of the fourth embodiment, the description thereof is omitted.
  • the battery cooling system according to the fifth embodiment has the following effects in addition to the above (1).
  • the cooling means is provided in the vehicle on the cold pipe 13 including the heat transfer plate 133 that makes a part of the cool storage unit 6 contact and the U-shaped tube 130 that is arranged around the heat transfer plate 133 in a U shape. Since a part of the refrigerant of the front air conditioner 23 is passed through the U-shaped tube 130 and the cool storage unit 6 is cooled by heat transfer, the cool storage unit 6 is connected by the cold pipe 13 sufficiently cooled by the coolant. The battery can be sufficiently cooled, temperature rise of the parked battery can be suppressed, and the battery life can be extended. Since other functions and effects are the same as those of the fourth embodiment, description thereof is omitted.
  • the battery cooling system according to the sixth embodiment is an example in which the heat storage agent is cooled by the refrigerant of the rear air conditioner via the cold plate.
  • FIG. 17 is an explanatory diagram of an installation structure of the battery cooling system according to the sixth embodiment on a vehicle.
  • FIG. 18 is an explanatory diagram illustrating a cooling structure of the battery cooling system according to the sixth embodiment.
  • the battery pack 1 provided integrally with the cold storage unit 6 on the lower surface of the case 2 containing the battery 3 is further cold-contacted to the lower surface of the cold storage unit 6, that is, the lower surface of the battery pack 1.
  • a plate 12 is provided.
  • FIG. 19 is a schematic explanatory diagram of an air conditioner system according to a sixth embodiment.
  • the rear air conditioner 24 system of the sixth embodiment is provided with a refrigerant line 201 from the electromagnetic valve 81 to the air conditioner evaporator 106 for the front air conditioner and a refrigerant line 203 to the air conditioner evaporator 108 for the rear air conditioner. Then, the refrigerant line 203 is further diverted to form the refrigerant line 205 and connected to the intake port 121 of the cold plate 12.
  • the refrigerant discharged from the outlet 122 of the cold plate 12 is collected by the refrigerant line 206 and joined to the refrigerant line 204 for collecting the refrigerant discharged from the air conditioning evaporator 108 for the rear air conditioner. Is recovered by being merged into the refrigerant line 202. Then, it is sent to the electric compressor 102. Since other configurations are the same as those of the fourth embodiment, description thereof is omitted.
  • the vehicle When the refrigerant of the rear air conditioner 24 is used for the cold plate 12, the vehicle includes both the front air conditioner 23 and the rear air conditioner 24. Therefore, the frequency with which the electric compressor 102 operates increases. Therefore, even if no special control is performed, the cold plate 12 has an appropriate cooling opportunity. Therefore, the cool storage unit 6 is sufficiently cooled. Further, as heat storage control, when neither the front air conditioner 23 nor the rear air conditioner 24 is driven for a long time, the electric compressor 102 may be driven at an appropriate time interval. Since other operations are the same as those of the fourth embodiment, description thereof is omitted.
  • the battery cooling system according to the sixth embodiment has the following effects in addition to the above (1).
  • the cooling means brings a part of the plate surface into contact with the cold storage unit 6 and passes a part of the refrigerant of the rear air conditioner 24 provided in the vehicle into the plate to cool the cold storage unit 6 by heat transfer. Since it is a cold plate, the cold storage unit 6 can be sufficiently cooled by the cold plate 12 sufficiently cooled by the refrigerant, the temperature rise of the parked battery can be suppressed, and the battery life can be extended. be able to. Since other functions and effects are the same as those of the fourth embodiment, description thereof is omitted.
  • the battery cooling system of Example 7 is an example in which the heat storage agent is cooled by a refrigerant of a rear air conditioner via a cold pipe.
  • the battery pack 1 provided integrally with the cold storage unit 6 on the lower surface of the case 2 housing the battery 3 is further cold-contacted with the lower surface of the cold storage unit 6, that is, the lower surface of the battery pack 1.
  • a pipe 13 is provided. Since other configurations are the same as those of the sixth embodiment, description thereof is omitted.
  • the battery cooling system according to the seventh embodiment has the following effects in addition to the above (1).
  • the cooling means is provided in the vehicle on the cold pipe 13 including the heat transfer plate 133 that makes a part of the cool storage unit 6 contact and the U-shaped tube 130 that is arranged around the heat transfer plate 133 in a U shape. Since a part of the refrigerant of the rear air conditioner 24 is passed through the U-shaped tube 130 and the cool storage unit 6 is cooled by heat transfer, the cool storage unit 6 is connected by the cold pipe 13 sufficiently cooled by the coolant. The battery can be sufficiently cooled, temperature rise of the parked battery can be suppressed, and the battery life can be extended. Since other functions and effects are the same as those of the sixth embodiment, description thereof is omitted.
  • the battery cooling system of the present invention has been described based on the first to seventh embodiments.
  • the specific configuration is not limited to these embodiments, and the claims relate to each claim. Design changes and additions are allowed without departing from the scope of the invention.

Abstract

Provided is a battery cooling system which makes it possible to suppress rises in the temperature of a battery during parking operations, and which makes it possible to lengthen the lifespan of the battery. The battery cooling system is provided with a case 2 which internally houses a battery 3 which is charged and discharged, a cooling storage part 6 for thermal storage which is provided as a single piece with the case 2 on the inside of the wall surface thereof, and a cooling fan 4 and cooling passage part 5 for cooling the cooling storage part 6. Cooling means are provided with the cooling fan 4 for sending cooling air to the battery 3 and the cooling passage part 5 for distributing some of the air bound for the battery 3 to the cooling storage part 6.

Description

バッテリ冷却システムBattery cooling system
　本発明は、車両に設置され車両の駆動に使用するバッテリ冷却システムの技術分野に属する。 The present invention belongs to the technical field of a battery cooling system installed in a vehicle and used for driving the vehicle.
　従来では、空調された車室内空気をバッテリ冷却用送風機で吸い込み、バッテリに送風することでバッテリを冷却している（例えば、特許文献１参照。）。
特許３２４０９７３号公報（第１－１３頁、全図） Conventionally, air-conditioned vehicle interior air is sucked by a battery cooling blower and blown to the battery to cool the battery (see, for example, Patent Document 1).
Japanese Patent No. 32409773 (page 1-13, all figures)
　しかしながら、従来にあっては、走行中のバッテリの温度制御は可能であるが、駐車中には一切機能を果たさないものであった。よって、特に炎天下放置時には車室内温度の上昇に伴い、バッテリの温度も上昇するため、電池寿命を短くしてしまうという問題があった。 However, in the past, it was possible to control the temperature of the battery while traveling, but it did not function at all during parking. As a result, the battery temperature rises as the vehicle interior temperature rises, particularly when left under the sun, resulting in a problem of shortening the battery life.
　本発明は、上記問題点に着目してなされたもので、その目的とするところは、駐車中のバッテリの温度上昇を抑制することができ、電池を長寿命化することができるバッテリ冷却システムを提供することにある。 The present invention has been made paying attention to the above-described problems, and the object of the present invention is to provide a battery cooling system that can suppress the temperature rise of a parked battery and can extend the life of the battery. It is to provide.
　上記目的を達成するため、本発明では、充放電を行なうバッテリを内部に収容したケースと、前記ケースの壁面内部に一体的に設けられ、蓄熱を行なう蓄熱手段と、前記蓄熱手段を冷却させる冷却手段と、を備えたことを特徴とする。 In order to achieve the above object, in the present invention, a case in which a battery for charging / discharging is housed, a heat storage means that is integrally provided inside the wall surface of the case and stores heat, and cooling that cools the heat storage means Means.
　よって、本発明にあっては、駐車中のバッテリの温度上昇を抑制することができ、電池を長寿命化することができる。 Therefore, in the present invention, the temperature rise of the parked battery can be suppressed, and the battery life can be extended.
実施例１のバッテリ冷却システムの車両設置位置を示す説明図である。It is explanatory drawing which shows the vehicle installation position of the battery cooling system of Example 1. FIG. 実施例１のバッテリ冷却システムのバッテリパックの構造説明図である。It is a structure explanatory drawing of the battery pack of the battery cooling system of Example 1. FIG. 実施例１のバッテリ冷却システムのバッテリパックの構造説明断面図である。It is a structure explanatory sectional view of the battery pack of the battery cooling system of Example 1. 実施例１のバッテリ冷却システムの冷却に関するブロック構成の概略を示す図である。It is a figure which shows the outline of the block structure regarding cooling of the battery cooling system of Example 1. FIG. 実施例２のバッテリ冷却システムの車両への設置構造の説明図である。It is explanatory drawing of the installation structure to the vehicle of the battery cooling system of Example 2. FIG. 実施例２のバッテリ冷却システムの冷却構造を示す説明図である。It is explanatory drawing which shows the cooling structure of the battery cooling system of Example 2. 実施例２のバッテリ冷却システムの空調システムの概略説明図である。It is a schematic explanatory drawing of the air conditioning system of the battery cooling system of Example 2. 実施例２のバッテリ冷却システムの内部ユニット９の概略説明図である。It is a schematic explanatory drawing of the internal unit 9 of the battery cooling system of Example 2. 実施例３のバッテリ冷却システムの車両への設置構造の説明図である。It is explanatory drawing of the installation structure to the vehicle of the battery cooling system of Example 3. FIG. 実施例３のバッテリ冷却システムの冷却構造を示す説明図である。It is explanatory drawing which shows the cooling structure of the battery cooling system of Example 3. 実施例３のバッテリ冷却システムのリアエアコンの内部ユニットの概略説明図である。It is a schematic explanatory drawing of the internal unit of the rear air conditioner of the battery cooling system of Example 3. 実施例４のバッテリ冷却システムの車両への設置構造の説明図である。It is explanatory drawing of the installation structure to the vehicle of the battery cooling system of Example 4. 実施例４のバッテリ冷却システムの冷却構造を示す説明図である。It is explanatory drawing which shows the cooling structure of the battery cooling system of Example 4. 実施例４のバッテリ冷却システムのコールドプレートの説明図である。It is explanatory drawing of the cold plate of the battery cooling system of Example 4. 実施例４のエアコンシステムの概略の説明図である。It is explanatory drawing of the outline of the air-conditioning system of Example 4. 実施例５のバッテリ冷却システムのコールドプレートの説明図である。It is explanatory drawing of the cold plate of the battery cooling system of Example 5. 実施例６のバッテリ冷却システムの車両への設置構造の説明図である。It is explanatory drawing of the installation structure to the vehicle of the battery cooling system of Example 6. FIG. 実施例６のバッテリ冷却システムの冷却構造を示す説明図である。FIG. 10 is an explanatory diagram illustrating a cooling structure of a battery cooling system according to a sixth embodiment. 実施例６のエアコンシステムの概略の説明図である。It is explanatory drawing of the outline of the air conditioning system of Example 6. FIG.
符号の説明Explanation of symbols
　　１　バッテリパック
　　２　ケース
　　３　バッテリ
　　４　冷却ファン
　　５　冷却通路部
　　６　蓄冷部
　６１　蓄冷剤
　６２　通路
　６３　排出口
　　７　バッテリコントローラ
　　８　ダクト
　　９　内部ユニット
　１０　ダクト
　１１　内部ユニット
　１２　コールドプレート
　１３　コールドパイプ
　２１　排出口
　２２　通路
　２３　フロントエアコン
　２４　リアエアコン
　７１　温度センサ
　７２　温度センサ
　７３　ＳＯＣセンサ
　８１　電磁弁
１０１　コンデンサ
１０２　電動コンプレッサ
１０３　リキッドタンク
１０４　ファン
１０６　空調用エバポレータ
１０７　ファン
１０８　空調用エバポレータ
１２１　取入口
１２２　取出口
１３０　Ｕ字管
１３１　取入口
１３２　取出口
１３３　伝熱板
２０１～２０６　冷媒ライン DESCRIPTION OF SYMBOLS 1 Battery pack 2 Case 3 Battery 4 Cooling fan 5 Cooling passage part 6 Cold storage part 61 Cold storage agent 62 Passage 63 Outlet 7 Battery controller 8 Duct 9 Internal unit 10 Duct 11 Internal unit 12 Cold plate 13 Cold pipe 21 Outlet 22 Passage 23 Front air conditioner 24 Rear air conditioner 71 Temperature sensor 72 Temperature sensor 73 SOC sensor 81 Solenoid valve 101 Capacitor 102 Electric compressor 103 Liquid tank 104 Fan 106 Air conditioning evaporator 107 Fan 108 Air conditioning evaporator 121 Inlet 122 Outlet 130 U-shaped pipe 131 Inlet 132 Outlet 133 Heat transfer plate 201-206 Refrigerant line
　以下、本発明のバッテリ冷却システムを実現する実施の形態を、請求項１，２に係る発明に対応する実施例１と、請求項１，３に係る発明に対応する実施例２と、請求項１，４に係る発明に対応する実施例３と、請求項１，５に係る発明に対応する実施例４と、請求項１，６に係る発明に対応する実施例５と、請求項１，７に係る発明に対応する実施例６と、請求項１，８に係る発明に対応する実施例７とに基づいて説明する。 Hereinafter, the embodiment for realizing the battery cooling system of the present invention will be described with reference to the first embodiment corresponding to the first and second embodiments, the second embodiment corresponding to the first and third embodiments, and the claims. A third embodiment corresponding to the inventions according to claims 1 and 4, a fourth embodiment corresponding to the inventions according to claims 1 and 5, a fifth embodiment corresponding to the inventions according to claims 1 and 6, and a first claim A sixth embodiment corresponding to the invention according to claim 7 and a seventh embodiment corresponding to the invention according to claims 1 and 8 will be described.
　まず、構成を説明する。
　図１は実施例１のバッテリ冷却システムの車両設置位置を示す説明図である。図２は実施例１のバッテリ冷却システムのバッテリパックの構造説明図である。図３は実施例１のバッテリ冷却システムのバッテリパックの構造説明断面図である。
　バッテリパック１は、ケース２、バッテリ３、冷却ファン４、冷却通路部５、蓄冷部６を備えている。
　ケース２は、バッテリ３を保護するとともに、バッテリパック１を車両に設置する構造部材である。
　バッテリ３は、リチウムイオンを極間で交換して、充放電を行うリチウムイオンバッテリである。リチウムイオンバッテリには、いわゆるメモリー効果が生じないという有利な特徴がある。 First, the configuration will be described.
FIG. 1 is an explanatory diagram illustrating a vehicle installation position of the battery cooling system according to the first embodiment. FIG. 2 is an explanatory diagram of the structure of the battery pack of the battery cooling system according to the first embodiment. FIG. 3 is a cross-sectional view illustrating the structure of the battery pack of the battery cooling system according to the first embodiment.
The battery pack 1 includes a case 2, a battery 3, a cooling fan 4, a cooling passage unit 5, and a cold storage unit 6.
The case 2 is a structural member that protects the battery 3 and installs the battery pack 1 in the vehicle.
The battery 3 is a lithium ion battery that performs charge and discharge by exchanging lithium ions between electrodes. Lithium-ion batteries have the advantageous feature that no so-called memory effect occurs.
　車両の走行用に用いるバッテリ３は、リチウムイオンバッテリの複数を並列または直列に接続するように組み合わせた組電池にしたものである。
　この走行用の組電池にしたものの詳細例として、特開２０００－１１６４２７を挙げておく。組電池の構造は、この詳細例に限らないものとするが、板状のリチウムイオンバッテリを組み合わせた最小単位のものをさらに複数組み合わせて用いる。その総数は数十個以上に達する。 The battery 3 used for running the vehicle is an assembled battery in which a plurality of lithium ion batteries are combined in parallel or in series.
JP-A-2000-116427 is cited as a detailed example of the battery pack for traveling. The structure of the assembled battery is not limited to this detailed example, but a plurality of the minimum units in which plate-like lithium ion batteries are combined are used. The total number reaches several dozen.
　次に、バッテリパック１における冷却通路構造について説明する。
　実施例１のバッテリパック１は、ケース２内部に車両の前後方向を長手方向とするように、板形状のバッテリ３を左右に配置した構造である。そして、ケース２の前側に設置される冷却通路部５から冷却風をケース２の内部に導入し、ケース２の後部に設ける排出口２１からケース２の外部に排出する構造である。
　この際、ケース２の内部では、おおむね図３に示すようにバッテリ３の上方及び左右側方、また、バッテリ３の下方の支持部の一部が、冷却風の通路２２となる。 Next, the cooling passage structure in the battery pack 1 will be described.
The battery pack 1 according to the first embodiment has a structure in which plate-shaped batteries 3 are arranged on the left and right sides in the case 2 so that the longitudinal direction of the vehicle is the longitudinal direction. Then, cooling air is introduced into the inside of the case 2 from the cooling passage portion 5 installed on the front side of the case 2, and is discharged to the outside of the case 2 from the discharge port 21 provided at the rear portion of the case 2.
At this time, inside the case 2, as shown in FIG. 3, a part of the support portion above and to the left and right sides of the battery 3 and below the battery 3 serves as a cooling air passage 22.
　次に、蓄冷部６における冷却通路構造について説明する。
　実施例１の蓄冷部６は、ケース２の下方で一体に設けられ、図３に示すように車両の前後方向に対して左右にそれぞれ蓄冷剤６１を配置し、蓄冷剤６１の左右にそれぞれ前後方向に長い空間を設けるようにし、これを冷却風の通路６２とする。
　そして、ケース２及び蓄冷部６の前側に設置される冷却通路部５から冷却風を蓄冷部６の内部の通路６２に導入し、排出口６３から排出する構造である。
　蓄冷剤６１は、硝酸／塩化アンモニウム、ポリプロピレングリコール、吸水性ポリマー、植物セルロース等からなる。 Next, the cooling passage structure in the cold storage unit 6 will be described.
The cold storage unit 6 of the first embodiment is integrally provided below the case 2, and as shown in FIG. 3, the cold storage agents 61 are arranged on the left and right sides of the vehicle front-rear direction, respectively. A long space is provided in the direction, and this is used as a cooling air passage 62.
Then, cooling air is introduced into the passage 62 inside the cold storage unit 6 from the cooling passage unit 5 installed on the front side of the case 2 and the cold storage unit 6, and is discharged from the discharge port 63.
The cold storage agent 61 is made of nitric acid / ammonium chloride, polypropylene glycol, a water-absorbing polymer, vegetable cellulose, or the like.
　冷却ファン４は、ケース２の上部に設置され、バッテリコントローラ７の制御により電動でファンを駆動し、冷却通路部５へ送風を行なう。
　具体的な例として、筒状物の回転で送風を行なうブロアファンを挙げておく。
　冷却通路部５は、ケース２及び蓄冷部６の前部で、冷却ファン４からの送風をケース２の通路２２と、蓄冷部６の通路６２へ送り出す通路である。 The cooling fan 4 is installed in the upper part of the case 2, and the fan is electrically driven by the control of the battery controller 7 to blow air to the cooling passage portion 5.
As a specific example, a blower fan that blows air by rotating a cylindrical object is mentioned.
The cooling passage portion 5 is a front portion of the case 2 and the cold storage portion 6 and is a passage for sending the air blown from the cooling fan 4 to the passage 22 of the case 2 and the passage 62 of the cold storage portion 6.
　図４は実施例１のバッテリ冷却システムの冷却に関するブロック構成の概略を示す図である。
　バッテリパック１は、それぞれのバッテリ３の温度を検出する温度センサ７１、７２と、バッテリ３の充電率を検出するＳＯＣセンサ７３を備えている。
　そして、温度センサ７１、７２、ＳＯＣセンサ７３の検出結果はバッテリコントローラ７に入力される。
　バッテリコントローラ７は、バッテリ３が温度センサ７１、７２の検出結果から所定の閾値温度に達すると、冷却ファン４を駆動させ送風を行うようにする。
　また、予め設定された特定の条件が成立した場合にも送風を行なうようにしてもよい。 FIG. 4 is a schematic diagram illustrating a block configuration related to cooling of the battery cooling system according to the first embodiment.
The battery pack 1 includes temperature sensors 71 and 72 that detect the temperature of each battery 3 and an SOC sensor 73 that detects the charging rate of the battery 3.
The detection results of the temperature sensors 71 and 72 and the SOC sensor 73 are input to the battery controller 7.
When the battery 3 reaches a predetermined threshold temperature from the detection results of the temperature sensors 71 and 72, the battery controller 7 drives the cooling fan 4 to blow air.
Further, the air may be blown even when a predetermined condition is satisfied.
　作用を説明する。
[冷却作用]
　実施例１のバッテリ冷却システムでは、走行中にバッテリパック１内のバッテリ３の温度を温度センサ７１、７２で検知する。そして、走行中繰り返されるバッテリの充放電により、バッテリの温度が所定温度以上になった場合、バッテリ３の温度が所定の温度以下となるように、バッテリコントローラ７の制御で冷却ファン４を駆動する。
　冷却風は、冷却通路部５からケース２の内部の通路２２を通過し、排出口２１からケース２の外部へ排出される。 The operation will be described.
[Cooling action]
In the battery cooling system of the first embodiment, the temperature sensors 71 and 72 detect the temperature of the battery 3 in the battery pack 1 during traveling. Then, when the battery temperature becomes equal to or higher than a predetermined temperature due to repeated charge and discharge of the battery during traveling, the cooling fan 4 is driven under the control of the battery controller 7 so that the temperature of the battery 3 becomes equal to or lower than the predetermined temperature. .
The cooling air passes from the cooling passage portion 5 through the passage 22 inside the case 2 and is discharged from the discharge port 21 to the outside of the case 2.
　これによりバッテリ３は、車両の駆動に関する出力を、温度上昇により損なうことなく良好に出力することができる。
　そして、バッテリ３を冷却する冷却ファン４からの送風は、冷却通路部５により分配されて、一部は、蓄冷部６に向かい、蓄冷部６の内部の通路６２を通過するようにして、蓄冷剤６１を冷却する。 Thereby, the battery 3 can output the output relating to the driving of the vehicle satisfactorily without being damaged by the temperature rise.
The air blown from the cooling fan 4 that cools the battery 3 is distributed by the cooling passage portion 5, and a part of the air flows toward the cold storage portion 6 and passes through the passage 62 inside the cold storage portion 6. The agent 61 is cooled.
　通常、走行時には、バッテリ３へ高負荷がかかるなどして、バッテリの温度上昇が著しい場合がある。このようにバッテリ３とともに蓄冷剤６１が冷却されると、走行中のバッテリの温度上昇が著しい場合に、冷却ファン４による冷却風の冷却に加えて、その時点までに蓄冷した分の蓄冷部６からの冷却が下方から行われることになる。
　これにより、バッテリパック１内のバッテリ３に対するトータル冷却効率を向上させることができるため、走行中のバッテリ３の温度上昇を効率良く抑制することができる。 Usually, during traveling, the battery 3 may have a significant temperature rise due to a high load applied to the battery 3. When the cool storage agent 61 is cooled together with the battery 3 in this way, in the case where the temperature rise of the running battery is significant, in addition to the cooling air cooling by the cooling fan 4, the cool storage unit 6 for the amount of cool storage up to that point is performed. The cooling from is performed from below.
Thereby, since the total cooling efficiency with respect to the battery 3 in the battery pack 1 can be improved, the temperature rise of the battery 3 during driving | running | working can be suppressed efficiently.
　次に、駐車時について説明する。
　駆動用にバッテリが使用される車両が、駐車すると、バッテリコントローラ７によるバッテリ温度制御が行われなくなる。
　例えば、環境状況が炎天下放置の駐車の場合、これまで使用したことによるバッテリの自己発熱に加え、炎天下放置による車室内の温度上昇分が加わるため、さらにバッテリ３の温度が上昇することになる。
　実施例１では、バッテリ３の下方に、ケース２と一体に蓄冷部６を設け、走行時にバッテリ３と同様に冷却ファン４により冷却している。そのため、バッテリ３が駐車中に温度上昇する熱が、蓄冷部６に吸熱されることになる。よって、駐車時のバッテリ３の温度上昇は、バッテリが劣化し、電池寿命を短くするほどにならないように抑制される。これにより電池を長寿命化することができる。 Next, the parking time will be described.
When a vehicle using a battery for driving is parked, the battery temperature control by the battery controller 7 is not performed.
For example, when the parking environment is left under hot weather, the temperature of the battery 3 further increases because of the increase in the temperature of the passenger compartment caused by leaving under the sun in addition to the self-heating of the battery due to the use so far.
In the first embodiment, the cool storage unit 6 is provided integrally with the case 2 below the battery 3 and is cooled by the cooling fan 4 in the same manner as the battery 3 during traveling. Therefore, the heat that rises while the battery 3 is parked is absorbed by the cold storage unit 6. Therefore, the temperature rise of the battery 3 at the time of parking is suppressed so that the battery deteriorates and does not shorten the battery life. Thereby, the battery life can be extended.
　さらに説明する。
　バッテリコントローラ７は、基本的には、温度センサ７１、７２によるバッテリ３の温度を下げるよう冷却ファン４を制御する。これに加えて、本来はまだ冷却ファン４を始動する温度ではない時点において、冷却ファン４を駆動させる蓄熱制御を行うようにしてもよい。すると、バッテリ３の走行中の冷却も蓄冷部６と協調したものとなり、冷却ファン４を高速で回転させる時間を短くすること、もしくは高速な回転をしなくても済むようになる。となれば、冷却ファン４は低騒音で駆動されることになり、車室内の静粛性を確保することができる。
　また、その際には、バッテリ３の温度変化自体が抑制されることになる。
　言わば、蓄冷部６により、バッテリ３は温度変化にダンパを設けたようになる。すると、寿命に影響するようなバッテリの高温化を生じることが少なくなり、電池を長寿命化することができる。 Further explanation will be given.
The battery controller 7 basically controls the cooling fan 4 so as to lower the temperature of the battery 3 by the temperature sensors 71 and 72. In addition to this, heat storage control for driving the cooling fan 4 may be performed at a time when the cooling fan 4 is not yet at a starting temperature. Then, the cooling while the battery 3 is traveling is also coordinated with the cold storage unit 6, and the time for rotating the cooling fan 4 at a high speed can be shortened or the high-speed rotation can be avoided. Then, the cooling fan 4 is driven with low noise, and the quietness in the passenger compartment can be ensured.
At that time, the temperature change of the battery 3 itself is suppressed.
In other words, the cool storage unit 6 causes the battery 3 to be provided with a damper for temperature change. Then, it is less likely that the temperature of the battery is increased, which affects the life, and the life of the battery can be extended.
　また、これに加えて、本来はまだ冷却ファン４を始動する温度ではない時点において、冷却ファン４を駆動させる蓄熱制御を行うと、炎天下放置の際に、陽射しが弱くなるまでの数時間の間は充分に冷却を行えるようになり、炎天下放置によるバッテリの温度上昇を長時間的に見ても抑制することができるようになる。 In addition to this, if heat storage control for driving the cooling fan 4 is performed at a time when the cooling fan 4 is not yet started, it is necessary to spend several hours until the sunlight is weakened when left in the sun. Can sufficiently cool, and can suppress the rise in battery temperature due to standing in the hot sun even when viewed for a long time.
　効果を説明する。
　実施例１のバッテリ冷却システムにあっては、下記に列挙する効果を得ることができる。 Explain the effect.
In the battery cooling system according to the first embodiment, the following effects can be obtained.
　(1)充放電を行なうバッテリ３を内部に収容したケース２と、ケース２の壁面内部に一体的に設けられ、蓄熱を行なう蓄冷部６と、蓄冷部６を冷却させる冷却ファン４及び冷却通路部５を備えたため、駐車中のバッテリの温度上昇を抑制することができ、電池を長寿命化することができる。 (1) Case 2 in which a battery 3 for charging / discharging is housed, a cold storage unit 6 that is integrally provided inside the wall surface of the case 2 and stores heat, a cooling fan 4 and a cooling passage for cooling the cold storage unit 6 Since the part 5 is provided, the temperature rise of the parked battery can be suppressed, and the battery life can be extended.
　(2)冷却手段は、バッテリ３へ冷却風を送る冷却ファン４と、バッテリ３への送風の一部を蓄冷部６へ分配する冷却通路部５を備えたため、バッテリ３を冷却するための冷却風の一部により蓄冷を行なうことができ、駐車中のバッテリの温度上昇を抑制することができ、電池を長寿命化することができる。 (2) Since the cooling means includes the cooling fan 4 that sends cooling air to the battery 3 and the cooling passage portion 5 that distributes part of the air blown to the battery 3 to the cold storage portion 6, the cooling means cools the battery 3. Cold storage can be performed by a part of the wind, the temperature rise of the parked battery can be suppressed, and the battery life can be extended.
　実施例２のバッテリの冷却システムは、蓄冷剤をフロントエアコンのエアコン風により冷却する例である。
　図５は実施例２のバッテリ冷却システムの車両への設置構造の説明図である。図６は実施例２のバッテリ冷却システムの冷却構造を示す説明図である。
　実施例２では、バッテリ３を収容したケース２の下面に一体的に蓄冷部６を備えたバッテリパック１に対して、蓄冷部６の一部がフロントエアコン２３からの冷却風のダクト８の内部に露出する構成である。 The battery cooling system of the second embodiment is an example in which the cool storage agent is cooled by the air-conditioner wind of the front air conditioner.
FIG. 5 is an explanatory diagram of an installation structure of the battery cooling system according to the second embodiment on a vehicle. FIG. 6 is an explanatory diagram illustrating a cooling structure of the battery cooling system according to the second embodiment.
In the second embodiment, with respect to the battery pack 1 having the cold storage unit 6 integrally provided on the lower surface of the case 2 housing the battery 3, a part of the cold storage unit 6 is inside the cooling air duct 8 from the front air conditioner 23. It is the structure exposed to.
　このダクト８の内部に蓄冷部６が露出する部分では、ダクト８の面積を大きくして、露出面積を大きくしてもよい。
　ダクト８は、フロントエアコン２３の内部ユニット９の一部に一端を接続し、冷却風を内部に取り込み、蓄冷部６を通過後、外気へ排気する構造である。
　図７は実施例２のバッテリ冷却システムの空調システムの概略説明図である。
　フロントエアコン２３のシステムは、電動コンプレッサ１０２によって圧縮した高圧冷媒をコンデンサ１０１に送って放熱冷却させ冷媒を液化し、その後リキッドタンク１０３で水分やゴミを除去して液化した冷媒を電磁弁８１へ送り、空調用エバポレータ１０６へ向かう冷媒ライン２０１の冷媒流量を制御する。そして、図示しない弁により冷媒を低圧に膨張させ、空調用エバポレータ１０６で冷媒を蒸発させてファン１０４が車室内に送る空気を冷却し、蒸発した低圧冷媒を冷媒ライン２０２により回収して電動コンプレッサ１０２に送るようにして循環させるものである。 In the portion where the cold storage unit 6 is exposed inside the duct 8, the area of the duct 8 may be increased to increase the exposed area.
The duct 8 has a structure in which one end is connected to a part of the internal unit 9 of the front air conditioner 23, the cooling air is taken into the interior, and after passing through the cold storage unit 6, is exhausted to the outside air.
FIG. 7 is a schematic explanatory diagram of an air conditioning system of the battery cooling system according to the second embodiment.
The system of the front air conditioner 23 sends the high-pressure refrigerant compressed by the electric compressor 102 to the condenser 101 to cool and dissipate the heat, liquefies the refrigerant, then removes moisture and dust in the liquid tank 103 and sends the liquefied refrigerant to the solenoid valve 81. The refrigerant flow rate of the refrigerant line 201 toward the air conditioning evaporator 106 is controlled. Then, the refrigerant is expanded to a low pressure by a valve (not shown), the refrigerant is evaporated by the air conditioning evaporator 106, the air sent to the passenger compartment by the fan 104 is cooled, and the evaporated low-pressure refrigerant is collected by the refrigerant line 202 to be recovered from the electric compressor 102. It is circulated as if it is sent to.
　図８は実施例２のバッテリ冷却システムの内部ユニット９の概略説明図である。
　実施例２では、ファン１０４により発生した空気流が、空調用エバポレータ１０６を通過した後の内部ユニット９の空間で、センターベンチレーターや足元側などへ分配される部分に、ダクト８を接続する。そして、冷却風の一部がダクト８を通して、バッテリパック１の蓄冷部６を冷却する通路構造にする。
　その他構成は、実施例１と同様であるので説明を省略する。 FIG. 8 is a schematic explanatory diagram of the internal unit 9 of the battery cooling system according to the second embodiment.
In the second embodiment, the duct 8 is connected to a portion where the air flow generated by the fan 104 is distributed to the center ventilator, the foot side, or the like in the space of the internal unit 9 after passing through the air conditioning evaporator 106. A part of the cooling air passes through the duct 8 to form a passage structure that cools the cold storage unit 6 of the battery pack 1.
Since other configurations are the same as those of the first embodiment, description thereof is omitted.
　作用を説明する。
[冷却作用]
　実施例２では、フロントエアコン２３において、空調用エバポレータ１０６を通過後の冷却風を内部ユニット９からダクト８により取り出す。そして、ダクト８の冷却風が通過する内部に蓄冷部６を露出させるようにする。
　フロントエアコン２３は、車両を運転するドライバがおおむね必ず使用するものであり、車両の環境が炎天下のような場合は確実にフロントエアコン２３は運転者により使用されるものとなる。 The operation will be described.
[Cooling action]
In the second embodiment, the cooling air after passing through the air conditioning evaporator 106 is taken out from the internal unit 9 by the duct 8 in the front air conditioner 23. And the cool storage part 6 is exposed to the inside through which the cooling air of the duct 8 passes.
The front air conditioner 23 is almost always used by a driver who drives the vehicle, and the front air conditioner 23 is surely used by the driver when the environment of the vehicle is under hot weather.
　そして、ダクト８により取り出される冷却風は、空調用エバポレータ１０６により、低温のものとなる。
　そのため、走行中に蓄冷部６は、充分に冷却されることになる。
　これにより走行中にバッテリ３の温度上昇が著しい場合には、フロントエアコン２３の冷却風により充分に冷却された蓄冷部６によりバッテリ３の冷却を行う。
　なお、バッテリパック１は、冷却ファン４を設けるものであっても、設けないものであってもよい。
　また、駐車時における炎天下放置のような場合であっても、フロントエアコン２３の冷却風により蓄冷部６は予め充分に冷却されているので、バッテリ３が駐車中に温度上昇する熱が、蓄冷部６に充分に吸熱されることになる。よって、駐車時のバッテリ３の温度上昇は、バッテリが劣化し、電池寿命を短くするほどにならないように抑制される。これにより電池を長寿命化することができる。 Then, the cooling air taken out by the duct 8 becomes low temperature by the air conditioning evaporator 106.
Therefore, the cool storage unit 6 is sufficiently cooled during traveling.
As a result, when the temperature of the battery 3 rises significantly during traveling, the battery 3 is cooled by the cool storage unit 6 sufficiently cooled by the cooling air of the front air conditioner 23.
The battery pack 1 may or may not be provided with the cooling fan 4.
Further, even when the vehicle is left under the sun during parking, the cool storage unit 6 is sufficiently cooled in advance by the cooling air of the front air conditioner 23, so that the heat that rises during the parking of the battery 3 is generated by the cool storage unit. 6 is sufficiently absorbed. Therefore, the temperature rise of the battery 3 at the time of parking is suppressed so that the battery deteriorates and does not shorten the battery life. Thereby, the battery life can be extended.
　効果を説明する。
　実施例２のバッテリ冷却システムにあっては、前述(1)に加えて、以下の効果を有する。
　(3)冷却手段は、車両に設けられたフロントエアコン２３の内部ユニット９の冷却風の一部を取り入れて、蓄冷部６を冷却するダクト８であるため、フロントエアコン２３の冷却風で蓄冷部６の冷却を行うことができ、駐車中のバッテリの温度上昇を抑制することができ、電池を長寿命化することができる。
　その他作用効果は実施例１と同様であるので説明を省略する。 Explain the effect.
The battery cooling system according to the second embodiment has the following effects in addition to the above (1).
(3) Since the cooling means is the duct 8 that takes in a part of the cooling air of the internal unit 9 of the front air conditioner 23 provided in the vehicle and cools the cool storage unit 6, the cooling unit uses the cooling air of the front air conditioner 23. 6 can be performed, the temperature rise of the parked battery can be suppressed, and the battery life can be extended.
Since other functions and effects are the same as those of the first embodiment, description thereof is omitted.
　実施例３のバッテリの冷却システムは、蓄冷剤をリアエアコンのエアコン風により冷却する例である。
　図９は実施例３のバッテリ冷却システムの車両への設置構造の説明図である。図１０は実施例３のバッテリ冷却システムの冷却構造を示す説明図である。図１１は実施例３のバッテリ冷却システムのリアエアコンの内部ユニット１１の概略説明図である。
　実施例３では、バッテリ３を収容したケース２の下面に一体的に蓄冷部６を備えたバッテリパック１に対して、蓄冷部６の一部がリアエアコン２４からの冷却風のダクト１０の内部に露出する構成である。 The battery cooling system of the third embodiment is an example in which the cool storage agent is cooled by the air-conditioner wind of the rear air conditioner.
FIG. 9 is an explanatory diagram of an installation structure of the battery cooling system according to the third embodiment in a vehicle. FIG. 10 is an explanatory diagram illustrating a cooling structure of the battery cooling system according to the third embodiment. FIG. 11 is a schematic explanatory diagram of the internal unit 11 of the rear air conditioner of the battery cooling system according to the third embodiment.
In the third embodiment, with respect to the battery pack 1 having the cold storage unit 6 integrally provided on the lower surface of the case 2 housing the battery 3, a part of the cold storage unit 6 is inside the cooling air duct 10 from the rear air conditioner 24. It is the structure exposed to.
　このダクト１０の内部に蓄冷部６が露出する部分では、ダクト１０の面積を大きくして、露出面積を大きくしてもよい。
　ダクト１０は、リアエアコン２４の内部ユニット１１の一部に一端を接続し、冷却風を内部に取り込み、蓄冷部６を通過後、外気へ排気する構造である。リアエアコン２４の内部ユニットには、図１１に示すように、ファン１０７により発生した空気流が、空調用エバポレータ１０８を通過した後の内部ユニット１１の空間で、足元側などへ分配される部分にダクト１０を接続する。そして、リアエアコン２４の冷却風の一部がダクト１０を通して、バッテリパック１の蓄冷部６を冷却する通路構造にする。
　その他構成は実施例２と同様であるので説明を省略する。 In the portion where the cold storage unit 6 is exposed inside the duct 10, the area of the duct 10 may be increased to increase the exposed area.
The duct 10 has a structure in which one end is connected to a part of the internal unit 11 of the rear air conditioner 24, the cooling air is taken into the interior, and after passing through the cool storage unit 6, the air is exhausted to the outside air. In the internal unit of the rear air conditioner 24, as shown in FIG. 11, the air flow generated by the fan 107 is distributed to the foot side in the space of the internal unit 11 after passing through the air conditioning evaporator 108. The duct 10 is connected. A part of the cooling air of the rear air conditioner 24 passes through the duct 10 to form a passage structure that cools the cold storage unit 6 of the battery pack 1.
Since other configurations are the same as those of the second embodiment, description thereof is omitted.
　作用を説明する。
[冷却作用]
　実施例３では、リアエアコン２４において、空調用エバポレータ１０８を通過後の冷却風を内部ユニット１１からダクト１０により取り出す。そして、ダクト１０の冷却風が通過する内部に蓄冷部６を露出させるようにする。
　リアエアコン２４は、その設置位置が後部座席付近であり、バッテリパック１に非常に近い位置が設置位置となる。 The operation will be described.
[Cooling action]
In the third embodiment, in the rear air conditioner 24, the cooling air after passing through the air conditioning evaporator 108 is taken out from the internal unit 11 by the duct 10. And the cool storage part 6 is exposed to the inside through which the cooling air of the duct 10 passes.
The rear air conditioner 24 is installed in the vicinity of the rear seat, and the position very close to the battery pack 1 is the installation position.
　そのため、内部ユニット１１からダクト１０により取り出した冷却風は、損失少なく蓄冷部６を冷却させる。言い換えると、効率よく冷却を行う。
　それゆえ、ダクト１０により取り出される冷却風は、空調用エバポレータ１０８により、低温のものとなる。そのため、走行中に蓄冷部６は、充分に冷却されることになる。
　これにより走行中にバッテリ３の温度上昇が著しい場合には、リアエアコン２４の冷却風により充分に冷却された蓄冷部６によりバッテリ３の冷却を行う。
　なお、バッテリパック１は、冷却ファン４を設けるものであっても、設けないものであってもよい。
　また、駐車時における炎天下放置のような場合であっても、リアエアコン２４の冷却風により蓄冷部６は予め充分に冷却されているので、バッテリ３が駐車中に温度上昇する熱が、蓄冷部６に充分に吸熱されることになる。よって、駐車時のバッテリ３の温度上昇は、バッテリが劣化し、電池寿命を短くするほどにならないように抑制される。これにより電池を長寿命化することができる。 Therefore, the cooling air taken out from the internal unit 11 by the duct 10 cools the cold storage unit 6 with little loss. In other words, cooling is performed efficiently.
Therefore, the cooling air taken out by the duct 10 becomes low temperature by the air conditioning evaporator 108. Therefore, the cool storage unit 6 is sufficiently cooled during traveling.
As a result, when the temperature of the battery 3 rises significantly during traveling, the battery 3 is cooled by the cool storage unit 6 sufficiently cooled by the cooling air of the rear air conditioner 24.
The battery pack 1 may or may not be provided with the cooling fan 4.
Further, even when the vehicle is left in the sun under parking, since the cool storage unit 6 is sufficiently cooled by the cooling air of the rear air conditioner 24 in advance, the heat that rises during the parking of the battery 3 is generated by the cool storage unit. 6 is sufficiently absorbed. Therefore, the temperature rise of the battery 3 at the time of parking is suppressed so that the battery deteriorates and does not shorten the battery life. Thereby, the battery life can be extended.
　効果を説明する。
　実施例３のバッテリ冷却システムにあっては、前述(1)に加えて、以下の効果を有する。
　(4)冷却手段は、車両に設けられたリアエアコン２４の内部ユニット１１の冷却風の一部を取り入れて、蓄冷部６を冷却するダクト１０であるため、リアエアコン２４の冷却風で蓄冷部６の冷却を行うことができ、駐車中のバッテリの温度上昇を抑制することができ、電池を長寿命化することができる。
　その他作用効果は実施例２と同様であるので説明を省略する。 Explain the effect.
The battery cooling system according to the third embodiment has the following effects in addition to the above (1).
(4) Since the cooling means is the duct 10 that takes in a part of the cooling air of the internal unit 11 of the rear air conditioner 24 provided in the vehicle and cools the cool storage unit 6, the cooling unit uses the cooling air of the rear air conditioner 24. 6 can be performed, the temperature rise of the parked battery can be suppressed, and the battery life can be extended.
Since other functions and effects are the same as those of the second embodiment, description thereof is omitted.
　実施例４のバッテリの冷却システムは、フロントエアコンの冷媒によりコールドプレートを介して蓄熱剤を冷却する例である。
　図１２は実施例４のバッテリ冷却システムの車両への設置構造の説明図である。図１３は実施例４のバッテリ冷却システムの冷却構造を示す説明図である。図１４は実施例４のバッテリ冷却システムのコールドプレートの説明図である。
　実施例４では、バッテリ３を収容したケース２の下面に一体的に蓄冷部６を備えたバッテリパック１に対して、さらに蓄冷部６の下面、つまりバッテリパック１の下面に面接するようにコールドプレート１２を設ける。 The battery cooling system according to the fourth embodiment is an example in which the heat storage agent is cooled through the cold plate by the refrigerant of the front air conditioner.
FIG. 12 is an explanatory diagram of an installation structure of the battery cooling system according to the fourth embodiment in a vehicle. FIG. 13 is an explanatory diagram illustrating a cooling structure of the battery cooling system according to the fourth embodiment. FIG. 14 is an explanatory diagram of a cold plate of the battery cooling system according to the fourth embodiment.
In the fourth embodiment, the battery pack 1 provided integrally with the cold storage unit 6 on the lower surface of the case 2 containing the battery 3 is further cold-contacted with the lower surface of the cold storage unit 6, that is, the lower surface of the battery pack 1. A plate 12 is provided.
　コールドプレート１２は、図１４に示すように前端にフロントエアコン２３の冷媒の取入口１２１と、取出口１２２を備え、プレート内部で冷媒をＵ字状に通過させる流路を形成したものである。
　なお、バッテリパック１は、冷却ファン４を設けるものであっても、設けないものであってもよい。 As shown in FIG. 14, the cold plate 12 is provided with a refrigerant inlet 121 and an outlet 122 of the front air conditioner 23 at the front end, and forms a flow path through which the refrigerant passes in a U shape.
The battery pack 1 may or may not be provided with the cooling fan 4.
　図１５は実施例４のエアコンシステムの概略の説明図である。
　実施例４のフロントエアコン２３のシステムは、電磁弁８１から空調用エバポレータ１０６へ向かう冷媒ライン２０１と、コールドプレート１２へ冷媒を送る冷媒ライン２０３を設けるようにする。また、コールドプレート１２の取出口１２２から排出された冷媒は、冷媒ライン２０４で回収するようにする。そして、冷媒ライン２０４は、空調用エバポレータ１０６から電動コンプレッサ１０２への冷媒ライン２０２に合流させるようにする。
　その他構成は実施例１と同様であるので説明を省略する。 FIG. 15 is a schematic explanatory diagram of an air conditioner system according to a fourth embodiment.
The system of the front air conditioner 23 according to the fourth embodiment is provided with a refrigerant line 201 that goes from the electromagnetic valve 81 to the air conditioning evaporator 106 and a refrigerant line 203 that sends the refrigerant to the cold plate 12. The refrigerant discharged from the outlet 122 of the cold plate 12 is collected by the refrigerant line 204. The refrigerant line 204 joins the refrigerant line 202 from the air conditioning evaporator 106 to the electric compressor 102.
Since other configurations are the same as those of the first embodiment, description thereof is omitted.
　作用を説明する。
[冷却作用]
　実施例４では、フロントエアコン２３において、循環させる冷媒の一部をコールドプレート１２の内部を通過させるようにする。
　コールドプレート１２のプレート内部では、冷媒が通過、循環することにより、所定の量の冷媒が常にプレート内部に留まることになり、プレート部材を介して面接している蓄冷部６を冷却する。
　冷媒による冷却は非常に冷却効果が高いため、蓄冷部６の蓄冷剤６１は走行中に充分に冷却されることになる。
　また、電動コンプレッサ１０２が作動していれば、フロントエアコン２３の状態や設定に関係なく、冷却を行うことができる。また、蓄冷制御として、エアコンシステムの電動コンプレッサ１０２を定期的に作動させるようにしてもよい。 The operation will be described.
[Cooling action]
In the fourth embodiment, in the front air conditioner 23, a part of the circulating refrigerant is allowed to pass through the cold plate 12.
As the refrigerant passes and circulates inside the plate of the cold plate 12, a predetermined amount of the refrigerant always stays inside the plate, and cools the cold storage unit 6 in contact with the plate member.
Since the cooling by the refrigerant has a very high cooling effect, the cool storage agent 61 of the cool storage unit 6 is sufficiently cooled during traveling.
Moreover, if the electric compressor 102 is operating, the cooling can be performed regardless of the state and setting of the front air conditioner 23. Further, as the cold storage control, the electric compressor 102 of the air conditioner system may be periodically operated.
　これにより走行中にバッテリ３の温度上昇が著しい場合には、冷媒によって冷却されたコールドプレート１２の伝熱により充分に蓄冷部６が冷却され、この蓄冷部６によりバッテリ３の冷却を行う。
　また、駐車時における炎天下放置のような場合であっても、コールドプレート１２により蓄冷部６は予め充分に冷却されているので、バッテリ３が駐車中に温度上昇する熱が、蓄冷部６に充分に吸熱されることになる。よって、駐車時のバッテリ３の温度上昇は、バッテリが劣化し、電池寿命を短くするほどにならないように抑制される。これにより電池を長寿命化することができる。 As a result, when the temperature of the battery 3 rises significantly during traveling, the cool storage unit 6 is sufficiently cooled by the heat transfer of the cold plate 12 cooled by the refrigerant, and the cool storage unit 6 cools the battery 3.
Further, even in the case of standing in the sun when parked, since the cold storage unit 6 is sufficiently cooled by the cold plate 12 in advance, the heat that rises during the parking of the battery 3 is sufficient for the cold storage unit 6. Endothermic. Therefore, the temperature rise of the battery 3 at the time of parking is suppressed so that the battery deteriorates and does not shorten the battery life. Thereby, the battery life can be extended.
　効果を説明する。
　実施例４のバッテリの冷却システムにあっては、前述(1)に加えて、以下の効果を有する。
　(5)冷却手段は、蓄冷部６にプレート表面の一部を接触させ、車両に設けられたフロントエアコン２３の冷媒の一部をプレート内部に通過させて、蓄冷部６を伝熱によって冷却するコールドプレート１２であるため、冷媒により充分に冷却させたコールドプレート１２により、蓄冷部６を充分に冷却することができ、駐車中のバッテリの温度上昇を抑制することができ、電池を長寿命化することができる。
　その他作用効果は実施例１と同様であるので説明を省略する。 Explain the effect.
The battery cooling system according to the fourth embodiment has the following effects in addition to the above (1).
(5) The cooling means brings a part of the plate surface into contact with the cool storage unit 6 and passes a part of the refrigerant of the front air conditioner 23 provided in the vehicle into the plate to cool the cool storage unit 6 by heat transfer. Since it is the cold plate 12, the cold storage unit 6 can be sufficiently cooled by the cold plate 12 sufficiently cooled by the refrigerant, the temperature rise of the parked battery can be suppressed, and the battery life can be extended. can do.
Since other functions and effects are the same as those of the first embodiment, description thereof is omitted.
　実施例５のバッテリの冷却システムは、フロントエアコンの冷媒によりコールドパイプを介して蓄熱剤を冷却する例である。
　図１６は実施例５のバッテリ冷却システムのコールドプレートの説明図である。
　実施例５では、バッテリ３を収容したケース２の下面に一体的に蓄冷部６を備えたバッテリパック１に対して、さらに蓄冷部６の下面、つまりバッテリパック１の下面に面接するようにコールドパイプ１３を設ける。 The battery cooling system of Example 5 is an example in which the heat storage agent is cooled by a refrigerant of a front air conditioner via a cold pipe.
FIG. 16 is an explanatory diagram of a cold plate of the battery cooling system according to the fifth embodiment.
In the fifth embodiment, the battery pack 1 provided with the cold storage unit 6 integrally on the lower surface of the case 2 housing the battery 3 is further cold-contacted so as to be in contact with the lower surface of the cold storage unit 6, that is, the lower surface of the battery pack 1. A pipe 13 is provided.
　コールドパイプ１３は、図１６に示すようにＵ字形状にしたＵ字管１３０の一端を取入口１３１とし、他端を取出口１３２とし、Ｕ字の内部に蓄冷部６の下面と面接する伝熱板１３３を備えたものである。
　そして、Ｕ字管１３０の取入口１３１には、冷媒ライン２０３を接続し、管の取出口１３２には、冷媒ライン２０４を接続する。
　なお、バッテリパック１は、冷却ファン４を設けるものであっても、設けないものであってもよい。
　その他構成は、実施例４と同様であるので説明を省略する。 As shown in FIG. 16, the cold pipe 13 has one end of a U-shaped tube 130 having a U shape as an inlet 131 and the other end as an outlet 132. The cold pipe 13 is in contact with the lower surface of the regenerator 6 inside the U shape. A hot plate 133 is provided.
The refrigerant line 203 is connected to the inlet 131 of the U-shaped tube 130, and the refrigerant line 204 is connected to the outlet 132 of the pipe.
The battery pack 1 may or may not be provided with the cooling fan 4.
Since other configurations are the same as those of the fourth embodiment, the description thereof is omitted.
　作用を説明する。
[冷却作用]
　実施例５では、フロントエアコン２３において、循環させる冷媒の一部をコールドパイプ１３の内部を通過させるようにする。
　コールドパイプ１３のプレート内部では、冷媒が通過、循環することにより、所定の量の冷媒が常にプレート内部に留まることになり、Ｕ字管１３０の内部に位置する伝熱板１３３を介して面接している蓄冷部６を冷却する。
　冷媒による冷却は非常に冷却効果が高いため、蓄冷部６の蓄冷剤６１は走行中に充分に冷却されることになる。
　また、電動コンプレッサ１０２が作動していれば、フロントエアコン２３の状態や設定に関係なく、冷却を行うことができる。また、蓄冷制御として、エアコンシステムの電動コンプレッサ１０２を定期的に作動させるようにしてもよい。
　その他作用は実施例４と同様であるので説明を省略する。 The operation will be described.
[Cooling action]
In the fifth embodiment, in the front air conditioner 23, a part of the circulating refrigerant is allowed to pass through the cold pipe 13.
Inside the plate of the cold pipe 13, the refrigerant passes and circulates so that a predetermined amount of the refrigerant always stays inside the plate and is in contact with the heat transfer plate 133 located inside the U-shaped tube 130. The cool storage unit 6 is cooled.
Since the cooling by the refrigerant has a very high cooling effect, the cool storage agent 61 of the cool storage unit 6 is sufficiently cooled during traveling.
Moreover, if the electric compressor 102 is operating, the cooling can be performed regardless of the state and setting of the front air conditioner 23. Further, as the cold storage control, the electric compressor 102 of the air conditioner system may be periodically operated.
Since other operations are the same as those of the fourth embodiment, description thereof is omitted.
　効果を説明する。
　実施例５のバッテリの冷却システムにあっては、前述(1)に加えて、以下の効果を有する。
　(6)冷却手段は、蓄冷部６に一部を接触させる伝熱板１３３と、伝熱板１３３の周囲をＵ字状に配設したＵ字管１３０からなるコールドパイプ１３に、車両に設けられたフロントエアコン２３の冷媒の一部をＵ字管１３０に通過させて、蓄冷部６を伝熱によって冷却するものであるため、冷媒により充分に冷却させたコールドパイプ１３により、蓄冷部６を充分に冷却することができ、駐車中のバッテリの温度上昇を抑制することができ、電池を長寿命化することができる。
　その他作用効果は実施例４と同様であるので説明を省略する。 Explain the effect.
The battery cooling system according to the fifth embodiment has the following effects in addition to the above (1).
(6) The cooling means is provided in the vehicle on the cold pipe 13 including the heat transfer plate 133 that makes a part of the cool storage unit 6 contact and the U-shaped tube 130 that is arranged around the heat transfer plate 133 in a U shape. Since a part of the refrigerant of the front air conditioner 23 is passed through the U-shaped tube 130 and the cool storage unit 6 is cooled by heat transfer, the cool storage unit 6 is connected by the cold pipe 13 sufficiently cooled by the coolant. The battery can be sufficiently cooled, temperature rise of the parked battery can be suppressed, and the battery life can be extended.
Since other functions and effects are the same as those of the fourth embodiment, description thereof is omitted.
　実施例６のバッテリの冷却システムは、リアエアコンの冷媒によりコールドプレートを介して蓄熱剤を冷却する例である。
　図１７は実施例６のバッテリ冷却システムの車両への設置構造の説明図である。図１８は実施例６のバッテリ冷却システムの冷却構造を示す説明図である。
　実施例６では、バッテリ３を収容したケース２の下面に一体的に蓄冷部６を備えたバッテリパック１に対して、さらに蓄冷部６の下面、つまりバッテリパック１の下面に面接するようにコールドプレート１２を設ける。 The battery cooling system according to the sixth embodiment is an example in which the heat storage agent is cooled by the refrigerant of the rear air conditioner via the cold plate.
FIG. 17 is an explanatory diagram of an installation structure of the battery cooling system according to the sixth embodiment on a vehicle. FIG. 18 is an explanatory diagram illustrating a cooling structure of the battery cooling system according to the sixth embodiment.
In the sixth embodiment, the battery pack 1 provided integrally with the cold storage unit 6 on the lower surface of the case 2 containing the battery 3 is further cold-contacted to the lower surface of the cold storage unit 6, that is, the lower surface of the battery pack 1. A plate 12 is provided.
　図１９は実施例６のエアコンシステムの概略の説明図である。
　実施例６のリアエアコン２４システムは、電磁弁８１からフロントエアコン用の空調用エバポレータ１０６へ向かう冷媒ライン２０１と、リアエアコン用の空調用エバポレータ１０８へ向かう冷媒ライン２０３を設ける。
　そして、さらに冷媒ライン２０３を分流させて冷媒ライン２０５とし、コールドプレート１２の取入口１２１に接続する。 FIG. 19 is a schematic explanatory diagram of an air conditioner system according to a sixth embodiment.
The rear air conditioner 24 system of the sixth embodiment is provided with a refrigerant line 201 from the electromagnetic valve 81 to the air conditioner evaporator 106 for the front air conditioner and a refrigerant line 203 to the air conditioner evaporator 108 for the rear air conditioner.
Then, the refrigerant line 203 is further diverted to form the refrigerant line 205 and connected to the intake port 121 of the cold plate 12.
　次にコールドプレート１２の取出口１２２から排出された冷媒は、冷媒ライン２０６で回収し、リアエアコン用の空調用エバポレータ１０８から排出される冷媒を回収する冷媒ライン２０４に合流させ、さらに冷媒ライン２０４は、冷媒ライン２０２に合流させるようにして回収する。そして電動コンプレッサ１０２へ送るようにする。
　その他構成は実施例４と同様であるので説明を省略する。 Next, the refrigerant discharged from the outlet 122 of the cold plate 12 is collected by the refrigerant line 206 and joined to the refrigerant line 204 for collecting the refrigerant discharged from the air conditioning evaporator 108 for the rear air conditioner. Is recovered by being merged into the refrigerant line 202. Then, it is sent to the electric compressor 102.
Since other configurations are the same as those of the fourth embodiment, description thereof is omitted.
　作用を説明する。
[冷却作用]
　実施例６では、リアエアコン２４において、循環させる冷媒の一部をコールドプレート１２の内部を通過させるようにする。
　コールドプレート１２のプレート内部では、冷媒が通過、循環することにより、所定の量の冷媒が常にプレート内部に留まることになり、プレート部材を介して面接している蓄冷部６を冷却する。 The operation will be described.
[Cooling action]
In the sixth embodiment, in the rear air conditioner 24, a part of the circulating refrigerant is allowed to pass through the cold plate 12.
As the refrigerant passes and circulates inside the plate of the cold plate 12, a predetermined amount of the refrigerant always stays inside the plate, and cools the cold storage unit 6 in contact with the plate member.
　リアエアコン２４の冷媒をコールドプレート１２に用いる場合には、車両としては、フロントエアコン２３とリアエアコン２４の両方を備えることになる。
　そのため、電動コンプレッサ１０２が作動する頻度は高くなる。よって、特段の制御を行わなくても、コールドプレート１２は、適度な冷却の機会を得ることになる。よって、充分に蓄冷部６が冷却されることになる。
　また、蓄熱制御として、フロントエアコン２３とリアエアコン２４のどちらも駆動しない場合が長く続く場合には、適度な時間間隔で、電動コンプレッサ１０２を駆動させるようにしてもよい。
　その他作用は実施例４と同様であるので説明を省略する。 When the refrigerant of the rear air conditioner 24 is used for the cold plate 12, the vehicle includes both the front air conditioner 23 and the rear air conditioner 24.
Therefore, the frequency with which the electric compressor 102 operates increases. Therefore, even if no special control is performed, the cold plate 12 has an appropriate cooling opportunity. Therefore, the cool storage unit 6 is sufficiently cooled.
Further, as heat storage control, when neither the front air conditioner 23 nor the rear air conditioner 24 is driven for a long time, the electric compressor 102 may be driven at an appropriate time interval.
Since other operations are the same as those of the fourth embodiment, description thereof is omitted.
　効果を説明する。
　実施例６のバッテリ冷却システムにあっては、前述(1)に加えて、以下の効果を有する。
　(7)冷却手段は、蓄冷部６にプレート表面の一部を接触させ、車両に設けられたリアエアコン２４の冷媒の一部をプレート内部に通過させて、蓄冷部６を伝熱によって冷却するコールドプレートであるため、冷媒により充分に冷却させたコールドプレート１２により、蓄冷部６を充分に冷却することができ、駐車中のバッテリの温度上昇を抑制することができ、電池を長寿命化することができる。
　その他作用効果は実施例４と同様であるので説明を省略する。 Explain the effect.
The battery cooling system according to the sixth embodiment has the following effects in addition to the above (1).
(7) The cooling means brings a part of the plate surface into contact with the cold storage unit 6 and passes a part of the refrigerant of the rear air conditioner 24 provided in the vehicle into the plate to cool the cold storage unit 6 by heat transfer. Since it is a cold plate, the cold storage unit 6 can be sufficiently cooled by the cold plate 12 sufficiently cooled by the refrigerant, the temperature rise of the parked battery can be suppressed, and the battery life can be extended. be able to.
Since other functions and effects are the same as those of the fourth embodiment, description thereof is omitted.
　実施例７のバッテリの冷却システムは、リアエアコンの冷媒によりコールドパイプを介して蓄熱剤を冷却する例である。
　実施例７では、バッテリ３を収容したケース２の下面に一体的に蓄冷部６を備えたバッテリパック１に対して、さらに蓄冷部６の下面、つまりバッテリパック１の下面に面接するようにコールドパイプ１３を設ける。
　その他構成は実施例６と同様であるので説明を省略する。 The battery cooling system of Example 7 is an example in which the heat storage agent is cooled by a refrigerant of a rear air conditioner via a cold pipe.
In the seventh embodiment, the battery pack 1 provided integrally with the cold storage unit 6 on the lower surface of the case 2 housing the battery 3 is further cold-contacted with the lower surface of the cold storage unit 6, that is, the lower surface of the battery pack 1. A pipe 13 is provided.
Since other configurations are the same as those of the sixth embodiment, description thereof is omitted.
　作用を説明する。
[冷却作用]
　実施例７では、リアエアコン２４において、循環させる冷媒の一部をコールドパイプ１３の内部を通過させるようにする。
　コールドパイプ１３のプレート内部では、冷媒が通過、循環することにより、所定の量の冷媒が常にプレート内部に留まることになり、Ｕ字管１３０の内部に位置する伝熱板１３３を介して面接している蓄冷部６を冷却する。
　その他作用は実施例６と同様であるので説明を省略する。 The operation will be described.
[Cooling action]
In the seventh embodiment, in the rear air conditioner 24, a part of the circulating refrigerant is allowed to pass through the cold pipe 13.
Inside the plate of the cold pipe 13, the refrigerant passes and circulates so that a predetermined amount of the refrigerant always stays inside the plate and is in contact with the heat transfer plate 133 located inside the U-shaped tube 130. The cool storage unit 6 is cooled.
Since other operations are the same as those of the sixth embodiment, description thereof is omitted.
　効果を説明する。
　実施例７のバッテリの冷却システムにあっては、前述(1)に加えて、以下の効果を有する。
　(8)冷却手段は、蓄冷部６に一部を接触させる伝熱板１３３と、伝熱板１３３の周囲をＵ字状に配設したＵ字管１３０からなるコールドパイプ１３に、車両に設けられたリアエアコン２４の冷媒の一部をＵ字管１３０に通過させて、蓄冷部６を伝熱によって冷却するものであるため、冷媒により充分に冷却させたコールドパイプ１３により、蓄冷部６を充分に冷却することができ、駐車中のバッテリの温度上昇を抑制することができ、電池を長寿命化することができる。
　その他作用効果は実施例６と同様であるので説明を省略する。 Explain the effect.
The battery cooling system according to the seventh embodiment has the following effects in addition to the above (1).
(8) The cooling means is provided in the vehicle on the cold pipe 13 including the heat transfer plate 133 that makes a part of the cool storage unit 6 contact and the U-shaped tube 130 that is arranged around the heat transfer plate 133 in a U shape. Since a part of the refrigerant of the rear air conditioner 24 is passed through the U-shaped tube 130 and the cool storage unit 6 is cooled by heat transfer, the cool storage unit 6 is connected by the cold pipe 13 sufficiently cooled by the coolant. The battery can be sufficiently cooled, temperature rise of the parked battery can be suppressed, and the battery life can be extended.
Since other functions and effects are the same as those of the sixth embodiment, description thereof is omitted.
　以上、本発明のバッテリ冷却システムを実施例１～実施例７に基づき説明してきたが、具体的な構成については、これらの実施例に限られるものではなく、請求の範囲の各請求項に係る発明の要旨を逸脱しない限り、設計の変更や追加等は許容される。 As described above, the battery cooling system of the present invention has been described based on the first to seventh embodiments. However, the specific configuration is not limited to these embodiments, and the claims relate to each claim. Design changes and additions are allowed without departing from the scope of the invention.
本出願は、２００８年２月１５日出願の日本特許出願・出願番号２００８-０３３９３８に基づくものであり、その内容はここに参照として取り込まれる。 This application is based on Japanese Patent Application No. 2008-033938 filed on Feb. 15, 2008, the contents of which are incorporated herein by reference.

Claims (8)

  1. 　充放電を行なうバッテリを内部に収容したケースと、
    　前記ケースの壁面内部に一体的に設けられ、蓄熱を行なう蓄熱手段と、
    　前記蓄熱手段を冷却させる冷却手段と、
    　を備えた、
    　ことを特徴とするバッテリ冷却システム。     A case containing a battery for charging and discharging;
    A heat storage means which is integrally provided inside the wall surface of the case and stores heat;
    Cooling means for cooling the heat storage means;
    With
    A battery cooling system characterized by that.
  2. 　請求項１に記載のバッテリ冷却システムにおいて、
    　前記冷却手段は、
    　バッテリへ冷却風を送る冷却ファンと、
    　バッテリへの送風の一部を前記蓄熱手段へ分配する分配手段と、
    　を備えた、
    　ことを特徴とするバッテリ冷却システム。     The battery cooling system of claim 1,
    The cooling means is
    A cooling fan that sends cooling air to the battery;
    Distributing means for distributing a part of the air flow to the battery to the heat storage means;
    With
    A battery cooling system characterized by that.
  3. 　請求項１に記載のバッテリ冷却システムにおいて、
    　前記冷却手段は、
    　車両に設けられたフロントエアコンの冷却風の一部を取り入れて、前記蓄熱手段を冷却する冷却路を備えた、
    　ことを特徴とするバッテリ冷却システム。     The battery cooling system of claim 1,
    The cooling means is
    Incorporating a part of the cooling air of the front air conditioner provided in the vehicle, provided with a cooling path for cooling the heat storage means,
    A battery cooling system characterized by that.
  4. 　請求項１に記載のバッテリ冷却システムにおいて、
    　前記冷却手段は、
    　車両に設けられたリアエアコンの冷却風の一部を取り入れて、前記蓄熱手段を冷却する冷却路を備えた、
    　ことを特徴とするバッテリ冷却システム。     The battery cooling system of claim 1,
    The cooling means is
    Incorporating a part of the cooling air of the rear air conditioner provided in the vehicle, provided with a cooling path for cooling the heat storage means,
    A battery cooling system characterized by that.
  5. 　請求項１に記載のバッテリ冷却システムにおいて、
    　前記冷却手段は、
    　前記蓄熱手段にプレート表面の一部を接触させ、車両に設けられたフロントエアコンの冷媒の一部をプレート内部に通過させて、前記蓄熱手段を伝熱によって冷却するコールドプレートからなる、
    　ことを特徴とするバッテリ冷却システム。     The battery cooling system of claim 1,
    The cooling means is
    A part of the plate surface is brought into contact with the heat storage means, a part of a refrigerant of a front air conditioner provided in the vehicle is passed through the plate, and the heat storage means is a cold plate that cools by heat transfer.
    A battery cooling system characterized by that.
  6. 　請求項１に記載のバッテリ冷却システムにおいて、
    　前記冷却手段は、
    　前記蓄熱手段に一部を接触させる伝熱板と、
    　前記伝熱板の周囲をＵ字状に配設した管と、
    　からなるコールドパイプに、車両に設けられたフロントエアコンの冷媒の一部を前記管に通過させて、前記蓄熱手段を伝熱によって冷却するものである、
    　ことを特徴とするバッテリ冷却システム。     The battery cooling system of claim 1,
    The cooling means is
    A heat transfer plate partially contacting the heat storage means;
    A pipe arranged around the heat transfer plate in a U-shape;
    A part of the refrigerant of the front air conditioner provided in the vehicle is passed through the pipe to the cold pipe made of the above, and the heat storage means is cooled by heat transfer.
    A battery cooling system characterized by that.
  7. 　請求項１に記載のバッテリ冷却システムにおいて、
    　前記冷却手段は、
    　前記蓄熱手段にプレート表面の一部を接触させ、車両に設けられたリアエアコンの冷媒の一部をプレート内部に通過させて、前記蓄熱手段を伝熱によって冷却するコールドプレートからなる、
    　ことを特徴とするバッテリ冷却システム。     The battery cooling system of claim 1,
    The cooling means is
    A part of the plate surface is brought into contact with the heat storage means, a part of the refrigerant of a rear air conditioner provided in the vehicle is passed through the plate, and the heat storage means consists of a cold plate that cools by heat transfer.
    A battery cooling system characterized by that.
  8. 　請求項１に記載のバッテリ冷却システムにおいて、
    　前記冷却手段は、
    　前記蓄熱手段に一部を接触させる伝熱板と、
    　前記伝熱板の周囲をＵ字状に配設した管と、
    　からなるコールドパイプに、車両に設けられたリアエアコンの冷媒の一部を前記管に通過させて、前記蓄熱手段を伝熱によって冷却するものである、
    　ことを特徴とするバッテリ冷却システム。     The battery cooling system of claim 1,
    The cooling means is
    A heat transfer plate partially contacting the heat storage means;
    A pipe arranged around the heat transfer plate in a U-shape;
    A part of the refrigerant of the rear air conditioner provided in the vehicle is passed through the pipe to the cold pipe consisting of, and the heat storage means is cooled by heat transfer.
    A battery cooling system characterized by that.
PCT/JP2009/052404 2008-02-15 2009-02-13 Battery cooling system WO2009102014A1 (en)

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