WO2015056598A1 - Bloc-batterie et corps mobile équipé de celui-ci, et procédé de production de bloc-batterie - Google Patents

Bloc-batterie et corps mobile équipé de celui-ci, et procédé de production de bloc-batterie Download PDF

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Publication number
WO2015056598A1
WO2015056598A1 PCT/JP2014/076741 JP2014076741W WO2015056598A1 WO 2015056598 A1 WO2015056598 A1 WO 2015056598A1 JP 2014076741 W JP2014076741 W JP 2014076741W WO 2015056598 A1 WO2015056598 A1 WO 2015056598A1
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WIPO (PCT)
Prior art keywords
assembled battery
unit cell
adjusting body
sandwiching
interval adjusting
Prior art date
Application number
PCT/JP2014/076741
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English (en)
Japanese (ja)
Inventor
正伸 鈴木
Original Assignee
サーチウェア株式会社
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Filing date
Publication date
Application filed by サーチウェア株式会社 filed Critical サーチウェア株式会社
Publication of WO2015056598A1 publication Critical patent/WO2015056598A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • 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
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0007—Measures or means for preventing or attenuating collisions
    • 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
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • 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
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • 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
    • H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
    • 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
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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
    • H01M50/267—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders having means for adapting to batteries or cells of different types or different sizes
    • 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
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0411—Arrangement in the front part of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0416—Arrangement in the rear part of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438—Arrangement under the floor
    • 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
    • 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
    • B60L2240/547—Voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/11—Passenger cars; Automobiles
    • B60Y2200/112—City movers, small sized city motor vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/01—Reducing damages in case of crash, e.g. by improving battery protection
    • 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 relates to an assembled battery obtained by combining a plurality of single cells, a mobile body equipped with the assembled battery, and a method for manufacturing the assembled battery.
  • the conventional assembled battery shown in Patent Document 1 includes a laminate in which a plurality of single cells (lithium ion batteries) and a plurality of metal heat radiating plates whose surfaces are insulated are alternately laminated. .
  • a pair of end plates and a fastening belt attached to the end plates are provided around the laminated body, and the pair of end plates and the fastening belt are fastened to each other.
  • FIG. 21 schematically shows a state in which a compressive load is generated in the upper part of the central portion in the longitudinal direction.
  • the state where the assembled battery is deformed into a bow shape is exaggerated.
  • the present invention has been made to solve such a problem, and even if the battery pack is deformed into a bow shape and an excessive compressive load is generated, the electrode of the battery cell may be damaged or the inside of the battery cell may be damaged. It aims at providing the assembled battery which does not have a possibility of electrically short-circuiting, and the mobile body carrying the assembled battery.
  • the assembled battery according to the present invention has a flat clamping surface for clamping the unit cell, and the clamping surfaces face each other in parallel with a gap in a direction perpendicular to the clamping surface.
  • a plurality of sandwiching members arranged side by side, a unit cell placed in each of the gaps, and outside each outer periphery of the unit cell excluding both surfaces sandwiched by a sandwiching surface of the sandwiching member, and each of the gaps
  • a battery pack comprising: a space adjusting body disposed separately; and a holding member that holds the single battery and the space adjusting body in a state of being held by a holding surface of the holding member.
  • the compression rigidity of the unit cell and the interval adjusting body when sandwiched by the clamping member is configured such that the interval adjusting unit is higher than the unit cell.
  • An assembled battery according to a second aspect of the present invention is the assembled battery according to the first aspect, wherein the spacing adjuster surrounds an outer periphery of the unit cell except for both surfaces sandwiched by a sandwiching surface of the sandwiching member. Thus, it is formed in a frame shape.
  • An assembled battery according to a third aspect of the present invention is the assembled battery according to the first aspect, wherein the sandwiching of the single battery out of the outer periphery of the single battery excluding both surfaces sandwiched by the sandwiching surface of the sandwiching member.
  • the spacing adjusting bodies are respectively arranged only on the outer sides of the outer peripheral portions located on both sides in the horizontal direction along the surface.
  • An assembled battery according to a fourth aspect of the present invention is the assembled battery according to any one of the first to third aspects, wherein the spacing adjusting body is a pair of adjacent clamping members facing each other. Positioned between the abutting surface of the spacing adjustment body that abuts one clamping surface of the clamping surfaces and the abutting surface of the spacing adjustment body that abuts the other clamping surface of the pair of clamping surfaces It is divided and joined by a dividing surface, and the dividing surface is inclined with respect to the contact surface of the interval adjusting body.
  • An assembled battery according to a fifth aspect of the present invention is the assembled battery according to any one of the first to fourth aspects, wherein the sandwiching member is configured such that heat generated in the single battery generates heat from the single battery.
  • a heat receiving portion that propagates in contact with the heat receiving portion; and a heat radiating portion that is provided at a side edge of the heat receiving portion and releases heat transmitted to the heat receiving portion to the outside of the assembled battery.
  • the heat radiating portion is sandwiched by the clamping member. It is characterized by being positioned outward from the outer periphery of the interval adjusting body.
  • the assembled battery according to the invention described in claim 6 is the assembled battery according to claim 5, wherein a plurality of fins having a heat dissipation surface are formed in the heat dissipation portion, and these fins are formed thin.
  • the heat radiating portion is configured to have an impact strength lower than that of the interval adjusting body.
  • the assembled battery according to the invention described in claim 7 is the assembled battery according to claim 5 or claim 6, wherein the width dimension of the heat radiating portion in the direction perpendicular to the clamping surface of the clamping member is the same in the same direction. It is larger than the width dimension of a heat receiving part, and is smaller than the dimension which combined the width dimension of the said heat receiving part of the same direction, and the width dimension of the said space
  • a moving body in which the assembled battery according to any one of the first to seventh aspects is mounted.
  • the movable body according to the eighth aspect wherein both ends of the assembled battery in a direction perpendicular to the clamping surface of the clamping member are fixed to the main body of the movable body.
  • the fixed position of the fixed member relative to the main body of the movable body or the fixed position of the both ends of the assembled battery with respect to the fixed member is a distance between the two ends.
  • the fixing position of the fixing member relative to the main body of the moving body is adjusted by adjusting the position of the screw member inserted through an insertion hole made of a long hole formed in the fixing member.
  • the fixing member is fixed to the main body of the movable body by being screwed to the main body of the body, and is performed by changing the relative position of the screw member in the insertion hole, and the fixing members at both ends of the assembled battery.
  • the adjustment of the fixed position is performed by changing the relative positions of the both ends of the assembled battery and the elastic member, with both ends of the assembled battery being supported by the fixing member via elastic members, respectively. It is what.
  • the mobile body according to the invention described in claim 10 is the mobile body according to claim 9, wherein the fixed member is configured such that the impact strength in the horizontal direction is lower than the impact strength in the vertical direction. It is characterized by.
  • the movable body according to an eleventh aspect of the present invention is the movable body according to the ninth or tenth aspect, wherein the assembled battery has both end portions in a direction perpendicular to the clamping surface of the clamping member at the fixed member.
  • the fixed positions of the other parts excluding both end portions of the assembled battery are fixed via the elastic members, and fixed to other fixing members provided in the main body of the movable body via the other elastic members.
  • Both fixed positions of the both ends of the battery with respect to the fixing member are positioned so that the center of gravity position of the assembled battery is close to the virtual straight line passing through both the fixed positions, and the fixed positions of the other parts are the virtual positions It is positioned so as to be close to another virtual straight line passing through the center of gravity of the assembled battery while being orthogonal to the straight line.
  • the mobile body according to the invention described in claim 12 is the mobile body according to any one of claims 8 to 11, wherein the mobile body is disposed at a central portion in plan view, and A vehicle having a boarding area for boarding and a pair of left and right wheels disposed on at least one of the front side and the rear side of the boarding area, and in the plan view,
  • the assembled battery is positioned so that the center of gravity position of the assembled battery is close to a virtual straight line connecting both positions in a region excluding the boarding region between the wheel and the ground contact position. It is.
  • the method for manufacturing an assembled battery according to the invention described in claim 13 includes a step of measuring the thickness of the unit cell, and the divided surfaces of the space adjusting body divided into a pair of space adjusting body pieces at an inclined dividing surface.
  • the pair of interval adjusting body pieces are relatively displaced along the direction in which the dividing surface inclines in a state where they are in contact with each other, and the thickness of the interval adjusting body is set to a predetermined thickness corresponding to the thickness of the unit cell.
  • a plurality of unit cell modules comprising a combination of the step of disposing the gap adjusting body on the outer peripheral side of the unit cell, and the unit of adjusting the spacing arranged on the outer peripheral side of the unit cell. Is interposed between a plurality of clamping members each having a flat clamping surface, and the cell and the gap adjusting body are clamped by the clamping member, and the clamping is held by a holding member. It is.
  • the unit cell and the spacing member are clamped by the clamping surface of the clamping member, and the compression stiffness between the unit cell and the spacing unit is higher in the spacing unit than in the unit cell. Therefore, by setting the thickness of each gap adjustment body appropriately, there is no risk of damaging the cell even if it is firmly held by the holding member. , The holding can be held.
  • the interval adjuster is formed in a frame shape surrounding the outer periphery of the unit cell, the unit cell can be protected by the interval adjuster.
  • the outer periphery of the unit cell excluding both surfaces sandwiched by the sandwiching surface of the sandwiching member, it is only on the outer side of the outer peripheral part respectively positioned on both sides in the horizontal direction along the sandwiching surface of the unit cell. Since the interval adjusters are arranged individually, the thickness of each interval adjuster is individually set to the optimum thickness according to the non-uniform thickness even for single cells with non-uniform thickness. By doing so, the unit cell can be clamped in an optimum state. According to the invention described in claim 4, since the interval adjusting body is divided and joined by the inclined dividing surface, the pair of divided interval adjusting body pieces are relatively appropriately arranged along the inclined direction of the dividing surface.
  • the thickness of the interval adjusting body can be made to correspond to the thickness of each unit cell.
  • the heat dissipating part is positioned outward from the outer periphery of the interval adjusting body sandwiched by the holding members, the interval adjusting body and the unit cell can be protected by the heat dissipating part.
  • the heat radiating portion is formed with a plurality of fins having a heat radiating surface, and these fins are formed thin so that the heat radiating portion has a lower impact strength than the spacing adjuster.
  • the heat radiating portion is plastically deformed to absorb the impact, thereby protecting the unit cell.
  • the width dimension of the heat radiating part in the direction perpendicular to the clamping surface of the clamping member is larger than the width dimension of the heat receiving part in the same direction and the same direction as the width dimension of the heat receiving part in the same direction.
  • the width dimension of the heat radiating portion is set as large as possible, the area of the heat radiating portion can be widened, and the cooling performance can be sufficiently secured.
  • the assembled battery since the assembled battery is mounted on the moving body, the assembled battery can be effectively used as a power source for the moving body.
  • the fixing member is configured such that the impact strength in the horizontal direction is lower than the impact strength in the vertical direction. Even when an impact load is applied due to collision, the fixing member can be easily plastically deformed in the horizontal direction, so that damage to the assembled battery can be reduced.
  • the fixed positions of both ends of the assembled battery with respect to the fixing member are positioned so that the center of gravity of the assembled battery is close to the virtual straight line passing through the fixed positions. Since the fixed position of the other part of the battery is positioned so as to be close to another virtual straight line passing through the center of gravity position of the assembled battery, it moves in combination with the support of the assembled battery via the elastic member. It can suppress suitably that the vibration at the time of a body movement propagates to an assembled battery. According to the twelfth aspect of the present invention, in plan view, the center of gravity position of the assembled battery is close to a virtual straight line connecting both positions in a region excluding the riding region between the center of gravity position of the vehicle and the ground contact position of the wheel.
  • the assembled battery Since the assembled battery is positioned so that the assembled battery is supported through the elastic member, the assembled battery, which is a heavy object, functions as a dynamic damper (vibration control mechanism) to drive the road surface The vibration of the vehicle due to the vibration can be suitably suppressed.
  • the compression rigidity between the unit cell and the interval adjustment body is configured so that the interval adjustment unit is higher than the unit cell, so that there is no possibility of damaging the unit cell even when firmly held by the holding member.
  • Each single cell can be clamped with an optimal compressive force, and the clamping can be maintained.
  • FIG. 1 is an overall view of a vehicle showing a state in which a vehicle equipped with an assembled battery according to an embodiment of the present invention is viewed from diagonally forward and upward.
  • FIG. 2 is a plan view schematically showing a schematic configuration in a state where the vehicle of FIG. 1 is viewed from above. It is a figure which shows the structure which fixes an assembled battery to the vehicle body frame of the vehicle. It is a figure which shows the state which looked at the assembled battery fixed to the vehicle body frame of the vehicle from diagonally upward of the one end part side. It is a figure which shows the state which looked at the assembled battery fixed to the vehicle body frame of the vehicle from the diagonally lower side of the one edge part side.
  • FIG. 1 and FIG. 2 What is shown by the code
  • the direction indicated by the arrow F indicates the front of the vehicle 1, and a pair of left and right front wheels 3, 3 are suspended on the vehicle body frame 7 via the front suspension device 5 at the front of the vehicle 1.
  • a pair of left and right rear wheels 9, 9 are suspended on the body frame 7 via a rear suspension device 11 so as to be freely slidable.
  • the front wheels 3 and 3 and the rear wheels 9 and 9 constitute the “wheel” of the present invention.
  • the vehicle body frame 7 includes a center frame 7a that extends in the left-right direction of the vehicle 1 at the center in the front-rear direction, and the center frame 7a is formed in a hexagonal shape in plan view.
  • the body frame 7 and the center frame 7a constitute the “main body of the moving body” of the present invention.
  • the vehicle body frame 7 includes a hollow tube having a square cross section including the central frame 7a.
  • On the central frame 7a there is a boarding area 13 for passengers to board. In this boarding area 13, as shown in FIG. 1, a seat 15 for passengers to sit and a floor 17 in front of the seats 15 are provided. Is provided.
  • the sheet 15 and the floor 17 are covered with a shield 19, and a transparent body 21 is assembled to the front of the shield 19.
  • the shield 19 and the transparent body 21 form a substantially spherical passenger compartment.
  • a cylindrical shock absorbing member 22 having a rectangular cross section is fitted and fixed by bolts or welding. When the vehicle 1 collides with an obstacle, the bolt or the welded portion is broken, and the shock absorbing member 22 is moved relative to the vehicle body frame 7 to absorb the shock.
  • the assembled batteries 23 are arranged between the left and right front wheels 3, 3 and the riding area 13 in a plan view, and the assembled batteries 23 are also arranged between the left and right rear wheels 9, 9 and the riding area 13.
  • a battery 23 is arranged, and a total of four assembled batteries 23 are mounted.
  • the assembled battery 23 supplies electric power to an electric device mounted on the vehicle 1, and the electric device includes an electric motor, a headlight, and the like for rotationally driving the front wheels 3, 3 or the rear wheels 9, 9. And a control device for controlling the electric motor.
  • the vehicle 1 also includes a handle for steering the front wheels 3 and 3. For convenience of drawing, illustration of electrical devices, handles, etc. is omitted.
  • Each of the assembled batteries 23 is opposed to a portion corresponding to the two hexagonal front sides and a portion corresponding to the two rear sides of the central frame 7a with a certain gap in plan view of the vehicle 1. Arranged and fixed to the central frame 7a. Specifically, each of the assembled batteries 23 is between the other end portions of a pair of support brackets 25, 25 each having one end portion fixed to a portion corresponding to each of the two sides of the hexagonal front side and rear side of the central frame 7a. Each is erected via an elastic member 27. Each support bracket 25 has a base 25a formed in a U shape in a side view shown in FIG. 3C and a substantially isosceles triangle extending from a side end surface of the base 25a in the side view. The battery pack 23 is fixed to the portion corresponding to the apex of the substantially isosceles triangle shape of the main body portion 25b via the elastic member 27.
  • the support brackets 25 and 25 constitute a “fixing member” of the present invention.
  • the base 25a of the support bracket 25 is screwed to the central frame 7a by a screw member 29 with the central frame 7a sandwiched between the upper and lower sides.
  • the insertion hole formed in the base portion 25a of the support bracket 25 through which the screw member 29 is inserted is formed as an oblong slot that is long in the direction along the hexagonal side of the center frame 7a (see FIG. 4 and FIG. 4). (See FIG. 5).
  • FIG. By providing this long hole, the support bracket 25 can be displaced in a direction along the hexagonal side of the central frame 7a, and the fixing position can be arbitrarily adjusted.
  • the support bracket has sufficient mechanical strength to support the assembled battery 23 against vertical vibrations that the vehicle 1 receives while traveling, and is also attached to the support bracket 25 or the support bracket 25 while the vehicle 1 is traveling.
  • the pair of support brackets 25 and 25 have a vertical impact strength that is vertical so that the assembled battery 23 moves in the horizontal direction and absorbs the transmitted shock. It is comprised so that it may become lower than the impact strength of a direction.
  • each assembled battery 23 is substantially isosceles with one end screwed by a screw member 35 to the central portion of the center frame 7a corresponding to the two sides of the hexagonal front and rear sides. It is supported by the other end of a triangular support plate 37 (see FIG. 3A).
  • the support plate 37 constitutes “another fixing member” of the present invention.
  • each assembled battery 23 is supported via a cylindrical elastic member 39 at a portion corresponding to the apex of the approximately isosceles triangle shape of the support plate 37, and the bottom of the approximately isosceles triangle shape is supported. Sites corresponding to both end portions are screwed to the bottom surface of the central frame 7 a by screw members 35.
  • the elastic member 39 is configured by a member made of a rubber member or other resin material.
  • the elastic member 39 constitutes “another elastic member” of the present invention. Details of the fixing structure by the elastic member 39 will be described later.
  • the structures of the left and right wind guide covers 31L and 31R disposed on the front side of the vehicle 1 are configured to be symmetrical with respect to the center in the width direction of the vehicle 1, and the left and right wind guide covers disposed on the rear side of the vehicle 1.
  • the structures of 33L and 33R are configured to be symmetric with respect to the center of the vehicle 1 in the width direction.
  • the air guide covers 31L and 33L will be described in detail, and the description of the air guide covers 31R and 33R will be omitted.
  • the air guide cover 31 ⁇ / b> L has an upper surface portion 41 whose cross-sectional shape is bent in a U-shape and a curved cross-sectional shape that is continuously convex at two locations.
  • Portion 47, side surface portion 49T that covers both side surfaces surrounded by upper surface portion 41, lower surface portion 43, rear surface portion 45, and front surface portion 47, side surface portion 49N (see FIG. 2) on the opposite side, and wind guide cover 31L.
  • partition plates 51 and 53 for guiding the air introduced into the inside to be discharged from two places.
  • the side surface portion 49T of the air guide cover 31L is provided with three notches, and from these notches, a part of the side surface portion of the assembled battery 23 and a part of each of the partition plates 51 and 53 are provided. Is exposed to the outside.
  • the side surface portion 49N of the wind guide cover 31L is provided with a notch portion and an opening 57 (see FIG. 6) for exposing a part of the side surface portion of the assembled battery 23 to the outside.
  • An intake duct 61 for introducing outside air introduced from the front end opening 59F of the front shock absorbing member 22 and passing through the body frame 7 into the air guide cover 31L is inserted.
  • the upper surface portion 41, the lower surface portion 43, the rear surface portion 45, and the front surface portion 47 of the air guide cover 31 ⁇ / b> L are side surface portions by screw members 65 inserted through oblong holes that are long in the horizontal direction and formed at the ends thereof. It is fastened with 49T.
  • the fixing position of the side surface portion 49T with respect to the upper surface portion 41 and the like is arbitrarily adjusted to cope with manufacturing variations in the width dimension of the assembled battery 23. Can do.
  • this long hole may be formed in both the side part 49T side and the side part 49N side, you may make it form only in any one side.
  • a substantially cylindrical fan 67 that rotates around a horizontal axis is disposed between the partition plates 51 and 53 of the wind guide cover 31 ⁇ / b> L and in the vicinity of the partition plate 53.
  • the fan 67 is rotationally driven by an electric motor 69 fixed to the outer surface of the side surface portion 49N of the cover 31L.
  • the end of the rotating shaft of the fan 67 opposite to the electric motor 69 is supported by a bearing member (not shown) fixed to the side surface portion 49T so as to be slidable in the axial direction. It is configured to be able to absorb manufacturing variations in distance to the portion 49T.
  • the fan 67 shown in FIG. 6 is a cross flow fan, but may be a centrifugal fan instead.
  • a temperature sensor (not shown) arranged in the assembled battery 23 measures the temperature of the assembled battery 23, and the electric motor 69 is driven to rotate based on the measured value, and the fan 67 rotates to cool the assembled battery 23. Is configured to do.
  • the fan 67 rotates, the outside air introduced from the opening 59F of the shock absorbing member 22 passes through the body frame 7 and then is introduced into the wind guide cover 31L through the intake duct 61. Air that is heated by cooling the assembled battery 23 by the air introduced into the air guide cover 31L is externally provided from the opening 51a formed by the partition plate 51 and the opening 53a formed by the partition plate 53 and the upper surface portion 41.
  • the opening 51a and the opening 53a may be configured to be connected to an exhaust duct (not shown) disposed on the side portion of the vehicle 1.
  • an exhaust duct (not shown) disposed on the side portion of the vehicle 1.
  • the fan 67 is rotationally driven by the electric motor 69 fixed to the outer side surface of the side surface portion 49N of the air guide cover 33L, and the outside air is provided on the side surface portion 49N via the intake duct 68 disposed on the side portion of the vehicle 1. It is introduced from the opening 57.
  • the air warmed by cooling the battery pack 23 by the air introduced into the air guide cover 33L is guided by the partition plates 51 and 53, and the openings 51a and the partition plate 53 formed by the partition plate 51, and the upper surface portion.
  • 41 is introduced into the rear of the body frame 7 through the exhaust duct 70 from the opening 53 a formed by 41. Thereafter, the air is discharged from the opening 59R at the rear end of the shock absorbing member 22 fitted and fixed to the rear portion of the body frame 7.
  • the connecting portion of either one of the ducts to the wind guide cover 33L has a flexible structure (for example, a bellows structure). By doing so, it is possible to absorb variations in manufacturing of the width dimension of the assembled battery 23 and displacement of the assembled battery 23 due to road surface vibrations when the vehicle 1 is traveling.
  • the gravity center positions of the air guide covers 31L, 31R, 33L, and 33R including the assembled battery 23 housed inside are respectively G11, G12, G13, and G14, and the gravity center position of the vehicle 1 Is set to G2, the ground contact positions of the front wheels 3, 3 and the rear wheels 9, 9 are respectively P1, P2, Q1, Q2, and the virtual straight lines connecting the gravity center position G2 and the ground contact positions P1, P2, Q1, Q2 ( Line segments) are L1, L2, M1, and M2, respectively, so that the center-of-gravity positions G11, G12, G13, and G14 are close to each other on the virtual straight lines L1, L2, M1, and M2 excluding the boarding area 13.
  • the air guide covers 31L, 31R, 33L, 33R are positioned. Note that the weight of each of the air guide covers 31L, 31R, 33L, and 33R including the assembled battery 23 occupies most of the weight, so that the center-of-gravity positions G11, G12, G13, and G14 correspond to the assembled battery 23. It can be said that it is equivalent to the position of the center of gravity.
  • the assembled battery 23 is disposed at a position separated from the boarding area 13, even if gas is generated from the assembled battery 23 when the assembled battery 23 is abnormal, the battery 23 is exposed to the outside air until the gas reaches the boarding area 13. Stirs and disappears.
  • the elastic member is arranged so that the center of gravity G1 is close to the virtual straight line N1 passing through the centers of the pair of elastic members 27, 27 to which both ends of each of the assembled batteries 23 are fixed.
  • the wind guide covers 31L, 31R, 33L, 33R and the assembled batteries 23 are positioned so that the center of gravity G1 is close to a virtual straight line N2 (vertical straight line) passing through the center of 39.
  • the virtual straight line N2 constitutes “another virtual straight line” in the present invention.
  • the direction of the imaginary straight line N2 is the vertical direction. However, if the direction is close to the gravity center position G1 and orthogonal to the imaginary straight line N1, the horizontal direction or the horizontal direction or the vertical direction It may be an inclined direction.
  • the vertical direction is the Z direction
  • the upward direction is the direction Z1
  • the downward direction is the direction Z2.
  • a direction perpendicular to the Z direction and perpendicular to a sandwiching surface 71a of a cooling plate 71 described later is defined as an X direction, and is defined as a direction X1 and a direction X2 according to the respective directions of the X direction.
  • a direction perpendicular to the Z direction and the X direction is defined as a Y direction
  • a direction Y1 and a direction Y2 are defined according to the respective directions of the Y direction.
  • the assembled battery 23 includes a plurality of cooling plates 71 made of aluminum alloy arranged in parallel in a state where the sandwiching surfaces 71a are parallel to each other with a gap in the X direction (constituting the “clamping member” of the present invention).
  • a single battery module disposed in each of the gaps between the cooling plates 71, and held between the cooling plates 71, and holding the holding in a state where the single battery module is held between the holding surfaces 71a of the cooling plate 71
  • the unit cell module includes a unit cell 77 made of a substantially rectangular lithium ion battery and an outer periphery of the unit cell 77 (excluding the surface sandwiched by the sandwiching surface 71a of the cooling plate 71).
  • the compression rigidity of the unit cell 77 and the interval adjusting body 79 when sandwiched between the cooling plates 71 is configured so that the interval adjusting unit 79 is higher than the unit cell 77.
  • the upper surface of the unit cell 77 has a positive electrode terminal 77 a and a negative electrode terminal 77 b, an exhaust port 77 c through which a valve is opened and discharged when the gas generated when the unit cell 77 is abnormal exceeds a predetermined pressure,
  • An injection hole 77d for injecting an electrolytic solution is provided.
  • the injection hole 77d is sealed after the electrolyte is injected.
  • Conductive bus bars 80 bent in an S shape are laser welded to the positive terminal 77 a and the negative terminal 77 b of each unit cell 77.
  • the bus bar 80 laser-welded to the positive terminal 77 a of one unit cell 77 and the bus bar 80 laser-welded to the negative terminal 77 b of the other unit cell 77 of the pair of adjacent unit cells 77, 77 in the assembled battery 23.
  • These end portions are overlapped with each other, and are connected and electrically connected by a bolt inserted through a bolt hole formed in the end portions.
  • a nut is welded to the back surface of the upper end portion of the bus bar 80 located on the lower side when connected.
  • the interval adjusting body 79 includes a pair of first interval adjusting body pieces 79a and second interval adjusting body pieces 79b each having a substantially rectangular frame shape, and the size of each of the interval adjusting body pieces 79a and 79b in the Z direction is the cooling plate 71. Are substantially the same as the dimensions in the Z direction.
  • the first interval adjusting body piece 79a and the second interval adjusting body piece 79b constitute the “interval adjusting body piece” of the present invention.
  • An abutment surface of the first interval adjusting body piece 79a that abuts one clamping surface 71a of a pair of opposing clamping surfaces 71a, 71a between adjacent cooling plates 71, and the other of the pair of clamping surfaces 71a, 71a.
  • the first spacing adjustment body piece 79a and the second spacing adjustment body piece 79b of the spacing adjustment body 79 at a dividing surface 81 positioned between the second spacing adjustment body piece 79b and the abutting surface of the second spacing adjustment body piece 79b. are divided and joined.
  • the dividing surface 81 is a surface parallel to the Z direction, and is inclined with respect to a contact surface of the interval adjusting body 79 with the holding surface 71a.
  • Each cooling plate 71 Is sandwiched between a flat clamping surface 71a (which constitutes the “heat receiving part” of the present invention) that functions as a heat receiving part through which heat generated by the single battery 77 abuts on the single battery 77 and propagates.
  • a heat dissipating part 71b extending to both side edges in the Y direction of the surface 71a and releasing heat transmitted to the holding surface 71a to the outside of the assembled battery 23;
  • the clamping surface 71a is formed to have a dimension in the Y direction slightly larger than the distance adjusting body 79, and a plurality of vent holes 82b through which air can pass are formed in the Z direction inside the clamping surface 71a.
  • Each of the vent holes 82b has a substantially rectangular cross section.
  • the heat dissipating part 71b is extended outward from the outer periphery of both ends in the Y direction of the interval adjusting body 79, and a plurality of fins 83 are formed that have a heat dissipating surface parallel to the Y direction and the Z direction and long in the Z direction. ing.
  • the entire cooling plate 71 is uniformly cooled as air passes through the inside of the air holes 82b formed in the holding surface 71a and between the plurality of fins 83.
  • the flow of air in the air guide cover 33L described above will be described in detail including the vent holes 82b and fins 83 of the assembled battery 23.
  • the outside air introduced into the air guide cover 33 ⁇ / b> L from the openings 55 and 57 is vented to the cooling plates 71 by air blown by the rotation of the fan 67 and guidance by the partition plates 51 and 53 arranged so as to surround the fan 67. 82b... Are sent toward the upper part and then pass downward through the air holes 82b. Thereafter, the air branched and guided to the rear surface 45 side and the front surface 47 side of the air guide cover 33L along the curvature of the lower surface portion 43 of the air guide cover 33L, the fins 83 on both sides of each cooling plate 71. After being sent toward the lower part, it passes between the fins 83. The air that has passed between the fins 83 is guided by the partition plates 51, 53, etc., and is exhausted out of the air guide cover 33L through the openings 51a, 53a.
  • the cooling plate 71 is made of a material including a ventilation hole 82b in the holding surface 71a and a fin 83 in the heat radiating portion 71b except for a through hole into which a bolt 87 of the holding member 75 described later is inserted and a rectangular cutout portion 82a. In this manufacturing stage, it is manufactured by extrusion molding in the Z direction. Since the fins 83 are formed thin, the heat radiation portion 71b has a lower impact strength than the clamping surface 71a.
  • the X-direction width dimension T1 of the heat radiating portion 71b is larger than the X-direction width dimension T2 of the sandwiching surface 71a, and the X-direction width dimension (T2 + T3) is the sum of the width dimension T2 and the X-direction width dimension T3 of the spacing adjuster 79. ) Is set smaller.
  • the X-direction width dimension T1 of the heat radiating portion 71b is set as large as possible, and the heat is effectively radiated by the fins 83 of the heat radiating portion 71b.
  • the holding member 75 includes a pair of substantially rectangular end plates 85 and 85 which are in contact with the outer surfaces of the cooling plates 71 and 71 located at the outermost ends of the plurality of cooling plates 71.
  • Long end circular bolts 87 inserted into a plurality of through holes formed in the end plates 85, 85, and nuts 89 screwed into these bolts 87.
  • the pair of end plates 85, 85, bolts 87, and nuts 89 constitute the “holding member” of the present invention.
  • the unit cells 77 and the spacing adjusters 79 interposed between the plurality of cooling plates 71 are respectively held between the cooling plates 71.
  • the other end of a bolt 85a having a male screw engraved at one end is fixed to the central portion of the pair of end plates 85, 85, and these bolts 85a extend in directions along the directions X1 and X2. Each extends.
  • a plurality of portions are recessed in a hexagonal shape on the outer surface of each end plate 85, 85 to form recesses 85b, thereby saving material and reducing the weight.
  • Four of the plurality of through holes drilled in the end plate 85 are drilled in portions corresponding to the substantially rectangular four corners of the end plate 85, and the remaining two are formed in a substantially rectangular shape of the end plate 85.
  • the protrusions 85c are formed at portions corresponding to the middle of the upper side and the lower side. Corresponding to the four through holes drilled at the four corners of the end plate 85 in a state where the holding members 75 hold the single cells 77 and the gap adjusting bodies 79 by the cooling plates 71.
  • the through holes are formed in the respective portions of the cooling plates 71 and the interval adjusting bodies 79.
  • the four bolts 87 inserted through the four through holes drilled in the four corners of the end plate 85 are connected to the cooling plates 71. It is also inserted into a through hole with the interval adjusting body 79.
  • the two bolts 87 inserted through the two through holes formed in the projecting portion 85c of the end plate 85 are close to the upper and lower sides of the cooling plates 71 and the interval adjusting bodies 79, respectively. Are arranged. These two bolts 87 are inserted in the opposite direction to the four bolts 87 inserted through the through-holes at the four corners of the end plate 85, but may all be the same insertion direction. Further, the six bolts 87 use a bolt in which a male screw is engraved at one end and a hexagonal head is integrally formed at the other end. Instead, a male screw is engraved at both ends. Bolts may be used. In FIG. 8 and FIG. 9, the bolts 87 are appropriately cut for illustration purposes.
  • the through holes drilled in the respective cooling plates 71 are formed in a circular shape whose diameter is substantially equal to the outer diameter of the bolt 87, and the through holes drilled in the respective spacing adjusting bodies 79 are Bolts 87 are formed in oblong elongated holes 90a that are long in the Y direction so that they can move relative to each other in the Y direction.
  • the long hole 90a of the interval adjusting body 79 is a through hole of the interval adjusting body piece 79a and the second interval adjusting body piece 79b constituting the interval adjusting body 79.
  • an injection hole 90b for injecting an adhesive is formed in the Z direction intermediate portion on the direction Y2 side in the first interval adjusting body piece 79a and the Z direction intermediate portion on the direction Y1 side in the second interval adjusting body piece 79b. Each is drilled in the X direction.
  • a through hole 90c is formed as an opening for taking out an electric wire for measuring the voltage of the unit cell 77 (see FIG. 9).
  • a rectangular cutout 91a that is cut out in a concave shape is formed at each intermediate portion in the Y direction at the top of each of the first gap adjustment piece 79a and the second gap adjustment piece 79b.
  • the rectangular cutout portion 91a is formed so as to be positioned at a position substantially coinciding with the respective joint surfaces when the gap adjusting body pieces 79a and 79b are joined.
  • arc-shaped notches 91b are formed at intermediate portions in the Y direction of the inner peripheral surfaces of the upper portions (direction Z1 side) and the lower portions (direction Z2 side) of the gap adjusting body pieces 79a and 79b, respectively.
  • the arcuate notch 91b is formed so as to be positioned at a substantially coincident position when the two spacing adjusting body pieces 79a and 79b are joined.
  • the rectangular cutout portion 91a functions as an exhaust port for discharging the gas discharged from the exhaust port 77c of the unit cell 77 when the unit cell 77 is abnormal.
  • the arc-shaped notch 91 b does not interfere with the inner surface of the interval adjuster 79 without interfering with the interval adjuster 79.
  • the unit cell 77 is turned into a shape that can be removed by rotating and changing its posture.
  • the arcuate notch 91b is used when only a single cell 77 is removed when some of the single cells 77 in the battery pack 23 become defective.
  • a rectangular cutout 91c that is cut out in a concave shape is formed on the direction Y1 side above the first interval adjusting body piece 79a and on the direction Y2 side above the second interval adjusting body piece 79b.
  • a pair of bus bars 80, 80 electrically connected to a pair of adjacent single cells 77, 77 across the cooling plate 71 in the assembled battery 23 are formed of the first interval adjusting piece 79a and the second interval adjusting piece 79b.
  • the rectangular cutout portions 91c and the rectangular cutout portions 82a of the cooling plate 71 between the interval adjusting body pieces 79a and 79b are accommodated in an accommodating portion. It is configured not to protrude significantly from the edge.
  • the first interval adjusting body piece 79a and the second interval adjusting body piece 79b are formed in the same shape except for the through-hole 90c, and are manufactured by extrusion molding in the X direction at the material manufacturing stage.
  • step S5 aging of the plurality of single cells 77 prepared in step S1 is performed.
  • the aging in this case is to perform charging (including full charge) of a preset capacity to a single cell under a preset environmental temperature.
  • step S6 the performance of each of the single cells 77 that has been aged in step S5 is inspected.
  • the inspection is to perform an inspection such as whether or not the discharge characteristics, the voltage and the charging capacity at the time of charging are appropriate, and an appearance inspection at a preset environmental temperature. As a result of the inspection, the unit cell 77 determined to be unsuitable is discarded.
  • each single cell 77... Inspected in step S6 is clamped by the clamping surface 71a of the cooling plate 71 in a preset charging state (including full charge) and at a preset environmental temperature.
  • the surface of the unit cell 77 is clamped by the clamping unit of the measuring apparatus 101 with a preset compressive load.
  • the thickness at that time is measured by the measuring device 101 and stored in the storage device 103 (see step S7, flow F1). Measurement of the thickness of the case is t 0 shown in (a) of FIG. 12.
  • the thickness of the unit cell 77 may be measured at two or more sites (for example, both ends), and the average value or the minimum value of the measured values may be the thickness of the unit cell 77.
  • the unit cell 77 determined to be inappropriate is discarded. Note that the order in which the inspection in step S6 and the measurement in step S7 are performed may be interchanged.
  • the inclined surfaces of the pair of first interval adjusting body pieces 79a and second interval adjusting body pieces 79b arbitrarily selected from the plurality of interval adjusting bodies 79 prepared in step S2 are brought into contact with each other.
  • the distance adjusting body pieces 79a and 79b are relatively moved by operating the servo motor of the measuring device 104 along the direction in which the dividing surface 81 is inclined. While being displaced, the measuring device 104 measures the total thickness of both the distance adjusting body pieces 79a and 79b.
  • the measured value at that time is between an upper limit threshold value and a lower limit threshold value for the interval adjuster set based on the thickness measured value of one single cell 77 arbitrarily selected from the previously measured unit cells 77.
  • the relative positions of the two spacing adjusting body pieces 79a and 79b are specified so as to enter (see step S8, flow F2).
  • 12 (b) to 12 (d) the total thickness of both spacing adjusting body pieces 79a and 79b is the largest value in the case of the relative positions of both spacing adjusting body pieces 79a and 79b shown in FIG. 12 (b).
  • T 1 + s In the case shown in (d), the total thickness is the smallest value (t 1 -s).
  • the intermediate value (t 1 ) is obtained.
  • the upper limit threshold and the lower limit threshold for the interval adjuster can reduce deterioration of the unit cell 77 by compressing and holding the unit cell 77 arbitrarily selected so as to fall within the range of those values. It is a value that can be obtained by experiments.
  • the upper limit threshold is smaller than the thickness value corresponding to the thickness of the unit cell 77 when fully charged (the value calculated based on the thickness measured in step S7).
  • the lower limit threshold is set to a value such that the compression force when the unit cell 77 is compressed until the thickness reaches that value does not exceed the compression strength of the unit cell 77.
  • the unit cell 77 arbitrarily selected and the both-interval adjusting body pieces 79a and 79b whose relative positions are specified are stored in association with each other as members constituting one unit cell module.
  • an adhesive is applied to the injection holes 90b of the both-space adjusting body pieces 79a, 79b in a state where the both-space adjusting body pieces 79a, 79b are held at the relative positions of the both-space adjusting body pieces 79a, 79b specified in step S8. It inject
  • one arbitrarily selected cooling plate 71 among the plurality of cooling plates 71 prepared in step S3 is held horizontally, and on the clamping surface 71a of the cooling plate 71, in step S9, the both-space adjusting body piece 79a.
  • step S7 a cell 77 having a thickness measured in step S7 on the sandwiching surface 71a facing the inner peripheral side of the space adjusting body 79.
  • the cell 77 associated with the interval adjusting body pieces 79a, 79b as a member constituting one cell module is placed (see step S10, flow F4).
  • Positioning of the gap adjusting body 79 and the unit cell 77 on the clamping surface 71a of the cooling plate 71 is performed by a jig.
  • step S10 the gap between the inner peripheral surface of the gap adjusting body 79 and the outer peripheral face of the single battery 77 is maintained while the state of step S10 in which the gap adjusting body 79 and the single battery 77 are placed on the cooling plate 71 is held by a jig.
  • the buffer 107 is filled with the filling device 109, and the cooling plate 71, the interval adjusting body 79, and the unit cell 77 are integrated to produce a combined body (step S11, see FIG. 13).
  • the buffering agent filled at this time include a buffering agent such as an epoxy resin.
  • the buffer remains flexible to some extent after it is cured.
  • Step S1 After the steps from Step 5 to Step 11 are completed for all the unit cells 77 prepared in Step S1, all the joined bodies such as the cooling plate 71 integrated in Step 11 are replaced with the interval adjusting bodies. 79 and unit cells 77 and cooling plates 71 are stacked alternately.
  • the unit cells 77 are stacked in order to insulate the unit cells 77 from being electrically connected to each other via the aluminum alloy cooling plate 71.
  • An insulating sheet having good thermal conductivity is interposed between the contact surfaces of one cooling plate 71 and the other unit cell 77 among the joined bodies.
  • insulating grease may be applied between the contact surfaces in a uniform thickness.
  • the surface layer of the unit cell 77 is made of an aluminum alloy, it may be insulated with an anodized film instead of the insulating sheet.
  • the surface layer of the unit cell 77 is an insulating resin, the insulating sheet and the insulating grease can be omitted.
  • Step S12 the laminated assembly is fastened and clamped by the holding member 75 (a pair of end plates 85, 85, bolts 87, and nuts 89) prepared in Step 4 (Step S12).
  • the tightening torque of the nut 89 with respect to the bolt 87 is a predetermined torque that can give a compressive force that can reduce the deterioration of the unit cell 77, and is a torque that has been obtained in advance by experiments.
  • one end portions of the pair of bus bars 80, 80 are superposed and connected in advance by bolts, and the other end portions of the integrated bus bar pair are connected to each other by a laser welding device. Laser welding is performed on the terminals 77b.
  • Laser welding is performed on the terminals 77b.
  • the completed assembled battery 23 is subjected to a confirmation inspection as to whether or not the performance as the assembled battery is appropriate, and as a result of the inspection, the assembled battery 23 determined to be inappropriate is identified and re-adjusted or discarded.
  • the cell 77 is moved with respect to the space adjuster 79 in the Z direction. Then, it is further rotated about the axis in the X direction to be detached from the interval adjusting body 79. At this time, even when the bus bar 80 is welded by the arc-shaped notch 91 b of the interval adjusting body 79, the single cell 77 can be removed without interfering with the inner peripheral surface of the interval adjusting body 79. As a result, it is possible to safely separate the unit cell 77 and the interval adjuster 79 without destroying the unit cell 77 and releasing the internal electrolyte. The separated interval adjusting body 79 and the single battery 77 are safely recycled by an appropriate method.
  • a new unit cell module including a new unit cell 77 and a distance adjusting body 79 whose thickness is adjusted in accordance with the thickness of the unit cell 77 is prepared.
  • the end portions of the bus bars 80 are laser-welded to the positive terminal 77 a and the negative terminal 77 b of each unit cell 77 at positions positioned with reference to the end surface of the unit cell 77.
  • a new single battery module is positioned at the position of the assembled battery 23 to which the defective battery module is attached, and the assembled battery 23 is assembled with an appropriate compressive force by passing through a bolt as a holding member. The ends of the two are connected with bolts to complete the replacement of the unit cell 77.
  • the upper surface portion 41, the lower surface portion 43, and the rear surface of the wind guide cover 31L so as to cover the surface portions of the assembled battery 23 excluding both end portions including the end plates 85 and 85 of the assembled battery 23 on the side surface portions 49T and 49N.
  • the surface portion 45 and the front surface portion 47 are fixed with a screw member 65.
  • the elastic member 27 is inserted into each bolt 85 a fixed to the end plates 85 at both ends of the assembled battery 23.
  • the elastic member 27 is configured by a structure in which an elastic material made of a rubber member or other resin material is bound to a gap between a metallic outer cylinder and an inner cylinder arranged coaxially.
  • the concave portion 39b of the elastic member 39 assembled on the bottom surface side of the assembled battery 23 is a truncated cone-shaped convex portion 37a provided at the tip of the support plate 37 fixed to the central frame 7a (see FIG. 14).
  • the elastic members 27 whose positions are adjusted by assembling the assembled battery 23 and the like are fitted into the recesses 113 of the support brackets 25 and 25 from above.
  • a pressing member (not shown) is pressed against each elastic member 27 fitted in the recess 113 of each support bracket 25, 25 from above, and is fixed to the recess 113 with a screw member.
  • a fixing method is provided by providing an engaging portion (not shown) and an engaged portion (not shown) on the vehicle side and the assembled battery side, respectively. May be.
  • the long hole for insertion is used to cope with manufacturing variations in the width dimension of the assembled battery 23.
  • either one of the structures is stopped and the bolt male thread portion having a normal length or A circular screw member insertion hole may be used.
  • a connection terminal (not shown) on the assembled battery 23 side and a connection terminal (not shown) on the vehicle 1 side are provided, and the connection terminals are connected to each other in a state where the assembled battery 23 is assembled to the vehicle 1. Both connection terminals are arranged so as to be electrically connected, and are configured to complete the electrical connection at the same time that the assembled battery 23 is assembled to the vehicle 1.
  • each assembled battery 23 is mounted on the vehicle 1 so that each assembled battery 23 can be effectively used as a power source of the vehicle 1.
  • the unit cell 77 and the interval adjuster 79 are sandwiched by the clamping surface 71a of the cooling plate 71, and the compression rigidity between the unit cell 77 and the interval adjuster 79 is as follows. Since the interval adjusting body 79 is configured to be higher than the unit cell 77, the bolts 87 and nuts 89 can be firmly fastened by appropriately setting the thickness of each interval adjusting body 79. There is no risk of damaging the unit cells 77, and each unit cell 77 can be held with an optimum compressive force.
  • the heat conduction between the unit cell 77 and the cooling plate 71 can be improved, and each unit cell 77 can be held firmly, and a bending load is applied to the assembled battery 23 by vibration.
  • the assembled battery 23 becomes difficult to bend.
  • the interval adjusting body 79 that is one of the constituent members of the single cell module receives most of the compressive load.
  • the other unit cell 77 is avoided from receiving an excessive compressive load.
  • interval adjusting body 79 is divided and joined by the inclined dividing surface 81, the pair of divided interval adjusting body pieces 79a and 79b are relatively appropriately displaced along the inclined direction of the dividing surface 81. Thereby, the thickness of the space
  • interval adjustment body 79 can be made into the thickness corresponding to the thickness for every single cell 77.
  • the interval adjusting body 79 is formed in a frame shape surrounding the outer periphery of the unit cell 77, the unit cell 77 can be protected by the interval adjusting body 79. Further, the heat dissipating part 71b of the cooling plate 71 that releases heat transmitted from the unit cell 77 to the clamping surface 71a of the cooling plate 71 to the outside of the assembled battery 23 is outward from the outer periphery of the interval adjusting body 79 that is sandwiched by the cooling plate 71. Therefore, the space adjuster 79 and the unit cell 77 can be protected by the heat radiating portion 71b.
  • each fin 83 ... of the heat radiating portion 71b is formed thin, the heat radiating portion 71b has a lower impact strength than the sandwiching surface 71a, so when an impact force is applied to the assembled battery 23 from the outside, The unit cells 77 are protected by plastic deformation of the fins 83 of the heat dissipating part 71b to absorb the impact.
  • the X-direction width dimension T1 of the heat radiating portion 71b in the direction perpendicular to the clamping surface 71a of the cooling plate 71 is made larger than the X-direction width dimension T2 of the clamping surface 71a in the same direction, as many fins 83 are formed as possible.
  • the area of the heat radiating portion 71b can be increased, and sufficient cooling performance can be ensured.
  • the fixing position of the support bracket 25 with respect to the central frame 7a of the vehicle 1 is configured to be arbitrarily adjustable, the manufacturing variation in the width dimension of the assembled battery 23 laid between the pair of support brackets 25, 25. It can correspond to.
  • the relative position in the axial direction of the elastic member 27 with respect to the bolt 85 a provided on the end plate 85 is configured to be arbitrarily adjustable, the elastic member 27 is installed between the pair of support brackets 25, 25. It is possible to cope with manufacturing variations in the width dimension of the assembled battery 23.
  • the pair of support brackets 25 and 25 are configured such that the impact strength in the horizontal direction is lower than the impact strength in the vertical direction, the battery pack 23 or the support bracket 25 is obstructed while the vehicle 1 is traveling. Even if an impact load is applied due to collision, the pair of support brackets 25 and 25 are easily plastically deformed in the horizontal direction, so that damage to the assembled battery 23 can be reduced.
  • the fixed positions of both ends of the assembled battery 23 with respect to the pair of support brackets 25, 25 are close to the gravity center position G11 of the air guide cover 31L including the assembled battery 23 on the virtual straight line N1 passing through the fixed positions.
  • the fixed position of the bottom surface portion of the assembled battery 23 is positioned so as to be close to the virtual straight line N2 passing through the gravity center position G11, so that the assembled battery 23 is supported via the elastic members 27 and 37. In combination with this, it is possible to suitably suppress the road surface vibration during traveling of the vehicle 1 from propagating to the assembled battery 23.
  • the gravity center positions G12, G13, and G14 of the other air guide covers 31R, 33L, and 33R including the assembled battery 23 are similarly positioned, the same vibration suppressing effect can be achieved.
  • the center of gravity positions G11, G12, G13 of the wind guide covers 31L, 31R, 33L, 33R including the assembled battery 23 on the virtual straight lines L1, L2, M1, M2 excluding the boarding area 13 are shown. Since each of the wind guide covers 31L, 31R, 33L, and 33R is positioned so that the G14 is close to each other, the heavy batteries are coupled with the support of the assembled batteries 23 through the elastic members 27 and 37. By making the assembled battery 23 function as a dynamic damper (vibration control mechanism), vibration of the vehicle 1 due to road surface vibration during traveling can be suitably suppressed.
  • the unit cell 177 of this modification is formed in a flattened rectangular shape than the unit cell 77 of the above embodiment, and the positive electrode terminal 117a and the negative electrode terminal 117b are located at the middle in the vertical direction on both sides of the rectangular shape. Each is provided so as to protrude outward from both sides. Notch portions 121 and 122 are formed on both sides of the interval adjusting body pieces 119a and 119b arranged so as to surround the outer periphery of the unit cell 177, corresponding to the positions of the positive electrode terminal 117a and the negative electrode terminal 117b, respectively. Yes.
  • the member is completely removed from one of the notches 121 on each side of the interval adjusting body pieces 119a and 119b whose thickness is reduced by the inclination of the dividing surface 81 of the interval adjusting body pieces 119a and 119b.
  • the notch 122 is notched in a concave shape.
  • the cooling plate 125 constitutes a “clamping member” of the present invention.
  • Six through holes 125b through which the bolts 87 are inserted are formed in the vicinity of the outer peripheral edge along the outer periphery of the cooling plate 125.
  • the through hole 125b is formed in a circular shape substantially the same as the diameter of the bolt 87.
  • the unit cell 177 of this modification is flat compared to the unit cell 77 of the above embodiment, the capacity of the battery per unit is also small, so that the battery capacity equivalent to the unit cell 77 of the above embodiment is small.
  • more cells than the number of cells 77 in the above embodiment are required.
  • the thickness of the gap adjusting body pieces 119a and 119b and the cooling plate 125 is reduced so that the dimension in the stacking direction does not increase when the unit cell 177 and the cooling plate 125 are stacked.
  • the air holes corresponding to the air holes 82b formed in the cooling plate 71 in the above embodiment are not provided in the cooling plate 125 of this modification.
  • the unit cell 177 of this modification is easy to transmit heat to the cooling plate 125 due to its flatness, and since the number of the cooling plates 125 to be incorporated is large, the heat dissipation is relatively good. There is no problem even if pores are not provided.
  • the example of the interval adjusting body formed in a substantially rectangular frame shape surrounding the entire outer periphery of the unit cell is shown, but like the second modified example shown in FIG.
  • the outer periphery of the unit cell 77 (the outer periphery of the unit cell 77 excluding the surface sandwiched by the sandwiching surface 71a of the cooling plate 71). ) May be arranged only on the outer side of the outer peripheral portion located on both sides in the horizontal direction along the sandwiching surface 71a of the unit cell 77, not in the entire area of (1).
  • the distance adjusting body 127 of this modified example is obtained by cutting the both end portions of both distance adjusting body pieces 79a and 79b of the distance adjusting body 79 in the above-described embodiment at portions near the long holes 90a and leaving the first ends.
  • the gap adjusting body piece 129a and the second gap adjusting body piece 129b are configured.
  • interval adjustment body piece 129b comprise the "space
  • the first interval adjusting body piece 129a is composed of a thin first interval adjusting body piece 131a having a small thickness and a thick first interval adjusting body piece 131b having a large thickness.
  • the second interval adjusting body piece 129b has a thin and thin second interval adjusting body piece 133a that is bonded to the thick first interval adjusting body piece 131b and a thickness that is bonded to the thin first interval adjusting body piece 131a.
  • Thick thick second interval adjusting body piece 133b The thick first interval adjusting body piece 131b and the thick second interval adjusting body piece 133b, and the thin first interval adjusting body piece 131a and the thin second interval adjusting body piece 133a are formed in the same shape. .
  • the (dividing surface 81) is a surface parallel to the Z direction, and is inclined with respect to the contact surface of the interval adjusting body 127 when the interval adjusting body 127 is clamped by the clamping surface 71a of the cooling plate 71. .
  • the distance adjusting body 127 of this modification is provided with the parallelism of the pair of surfaces of the unit cell 77 sandwiched by the sandwiching surface 71a of the cooling plate 71 so as not to become a defective product, the thickness of the unit cell 77 Therefore, even when the pair of surfaces of the unit cell 77 to be sandwiched is not parallel, the unit cell 77 can be sandwiched in an optimum state. That is, the distance adjusting body 127 of this modification includes the relative position in the Y direction between the thick first distance adjusting body piece 131b and the thin second distance adjusting body piece 133a joined together, and the thin first distance adjusting body piece 131a.
  • the interval adjustment is also performed for the unit cell 77 whose thickness is not constant.
  • the thickness of the body 127 can be set to an optimum thickness.
  • the unit cell 77 can be held in an optimum state.
  • the interval adjusting body 127 of this modification surrounds only both sides of the unit cell 77, it does not interfere with the bus bar 80 that connects the positive terminal 77a and the negative terminal 77b of each unit cell 77. , Can save material and reduce size and weight.
  • interval adjustment body in which the joining surface (partition surface 81) with the adjustment body piece 133b inclines in the surface parallel to a Z direction was shown, like the 3rd modification shown in FIG.
  • interval adjustment body which the surface (division surface 81) inclines in the surface parallel to a Y direction may be sufficient.
  • the interval adjusting body 135 of this modification is a combination of four interval adjusting body pieces 137 having the same shape, and each of the interval adjusting body pieces 137. It is formed into a shape.
  • this modified example By joining the inclined divided surfaces 81 of the pair of distance adjusting body pieces 137 and 137 on the direction Y1 side and the direction Y2 side to face each other in the upside down direction, the bonded surface (divided surface 81) becomes the cooling plate 71. It becomes a surface parallel to the Y direction which inclines with respect to the contact surface of the space
  • this modified example also sets the relative position in the Z direction between the pair of interval adjusting body pieces 137 and 137 on the direction Y1 side and the direction Y2 side according to the uneven thickness of the unit cell 77. By adjusting each, the thickness of the space
  • cooling plate 71 in which a plurality of fins 83 that are parallel to the Y direction and the Z direction and have long heat dissipation surfaces in the Z direction are formed.
  • it may be a cooling plate 141 in which a plurality of fins 139... Having heat radiation surfaces parallel to the X direction and the Y direction are formed as in the fourth modification shown in FIG.
  • the cooling plate 141 of this modification is manufactured by extrusion molding in the Z direction at the material manufacturing stage, and the plurality of fins 139 are formed by skiving.
  • the cooling plate 141 constitutes a “clamping member” of the present invention.
  • a pin-shaped fin is formed by further cutting the plurality of fins 139 in the Z direction.
  • the cooling performance does not change greatly depending on the direction of the cooling air introduced into the fin.
  • the cooling plate 141 of this modification it is easy to arrange the assembled battery in the vehicle 1 so that the heat radiation surfaces of the plurality of fins 139 are substantially parallel to the direction in which the traveling wind flows when the vehicle 1 is traveling. Therefore, the traveling wind can be easily introduced into the heat radiation surface of each fin 139... Without guiding the cooling wind to each fin 139.
  • the cooling plate 143 is configured so that the ridge line tracing the tip of the heat radiating unit 71b of each cooling plate 143 has a substantially arc shape, so that the cooling plate 143 has a larger dimension in the Y direction as the cooling plate 143 located at the center in the X direction. 71b may be formed. By doing so, the X direction center part of the assembled battery which becomes the highest temperature at the time of charging / discharging and is likely to retain heat is effectively cooled.
  • the cooling plate 143 constitutes the “clamping member” of the present invention.
  • the side ends of the heat radiation portions 71b of the respective cooling plates 143... May be formed in a substantially arc shape so that the Y-direction dimensions of the respective cooling plates 143. .
  • the Z direction center part of each single cell 77 ... which becomes the highest temperature at the time of charging / discharging and heat tends to stay is effectively cooled.
  • the formation of the substantially arc-shaped ridge line by all the cooling plates 143 and the formation of the substantially arc-shaped shape at the end of each cooling plate 143 are only one of them depending on the temperature condition of the assembled battery 23 at the time of charging / discharging. May be adopted.
  • the above-described embodiments of the present invention and the first to fifth modifications are examples for explaining the present invention, and the present invention is not limited to the above-described embodiments and modifications.
  • the invention can be appropriately changed without departing from the gist or concept of the invention which can be read from the whole of the claims and the specification, and the assembled battery after such change is also included in the technical scope of the present invention. It is.
  • the example in which the assembled battery of the present invention is mounted on the vehicle 1 has been described.
  • the assembled battery of the present invention is mounted on a moving body such as a ship or an airplane other than the vehicle. You may do it.
  • the vehicle in which the assembled battery is mounted on the vehicle may be a three-wheeled vehicle having one wheel on the front side or the rear side and two wheels on the other side.
  • an example of a lithium ion battery has been shown as a unit cell, but in addition to this, a set in which a storage battery element such as a nickel hydride battery or other secondary battery or capacitor is a unit cell. It may be a battery.
  • a storage battery element such as a nickel hydride battery or other secondary battery or capacitor
  • Only one unit cell is sandwiched between the cooling plates.
  • a plurality of flat unit cells such as the unit cell 177 of the first modification example are provided. (For example, 2 to 3)
  • the unit cell modules configured by overlapping and surrounding the outer periphery of the unit cell group with a spacing adjuster are sandwiched by the cooling plates from both sides, and the unit cell modules and the cooling plates are stacked.
  • An assembled battery may be configured.
  • the distance adjusting body pieces of the space adjusting body divided by the inclined dividing surface are relatively displaced so that the thickness of the space adjusting body is the thickness of the unit cell.
  • a plurality of gap adjusting body pieces having front and back surfaces that are parallel to each other without being inclined are appropriately selected and laminated.
  • the thickness of the interval adjusting body may be set to the predetermined thickness.
  • the inclined division pieces may be increased.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Combustion & Propulsion (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

La présente invention concerne : un bloc-batterie avec lequel, y compris en cas de déformation du bloc-batterie en une forme d'arc provoquant une charge de compression excessive à générer, il n'y a pas de risque d'endommagement de l'électrode d'un élément batterie unique ou de court-circuit électrique à l'intérieur d'un élément batterie unique ; un corps mobile équipé du bloc-batterie ; et un procédé de production du bloc-batterie. Dans un état pris en sandwich par des plaques de refroidissement (71), un élément batterie unique (77) et un corps de réglage d'espace (79) qui est disposé au niveau de la circonférence extérieure de l'élément batterie unique sont maintenus ensemble au moyen de plaques d'extrémité (85), de vis (87) et d'écrous (89). La rigidité à la compression de l'élément batterie unique et du corps de réglage d'espace est conçue de sorte que la rigidité à la compression du corps de réglage d'espace soit supérieure à celle de l'élément batterie unique.
PCT/JP2014/076741 2013-10-15 2014-10-07 Bloc-batterie et corps mobile équipé de celui-ci, et procédé de production de bloc-batterie WO2015056598A1 (fr)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019007730A1 (fr) * 2017-07-04 2019-01-10 Audi Ag Véhicule automobile et procédé pour agencer au moins un accumulateur d'énergie de traction dans un véhicule automobile
EP3657568A1 (fr) * 2018-11-22 2020-05-27 Mazda Motor Corporation Refroidisseur de batterie et véhicule
CN111490309A (zh) * 2019-01-25 2020-08-04 本田技研工业株式会社 蓄电模块

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016119149A (ja) * 2014-12-18 2016-06-30 Fdk株式会社 蓄電モジュールの製造方法、及び蓄電モジュール
JP6344293B2 (ja) * 2015-04-03 2018-06-20 株式会社デンソー 電池パック
JP6449108B2 (ja) * 2015-06-04 2019-01-09 本田技研工業株式会社 蓄電装置
JP6333350B1 (ja) * 2016-12-19 2018-05-30 カルソニックカンセイ株式会社 組電池
JP6447694B2 (ja) * 2017-09-27 2019-01-09 株式会社豊田自動織機 電池モジュール
CN109461860A (zh) * 2018-11-13 2019-03-12 淮海机电科技股份有限公司 一种电动车电池储存装置
CN113078402B (zh) * 2021-03-26 2022-08-12 张玉清 一种新能源汽车用便于散热的电池箱

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002319383A (ja) * 2001-04-23 2002-10-31 Toyota Motor Corp 電池モジュール
JP2004055446A (ja) * 2002-07-23 2004-02-19 Nissan Motor Co Ltd モジュール電池
WO2008007767A1 (fr) * 2006-07-13 2008-01-17 Gs Yuasa Corporation Batterie assemblée formée par empilement d'une pluralité de cellules plates
JP2009026703A (ja) * 2007-07-23 2009-02-05 Toyota Motor Corp 組電池の製造方法
JP2010055908A (ja) * 2008-08-28 2010-03-11 Toyoda Gosei Co Ltd 組電池装置
WO2012147331A1 (fr) * 2011-04-28 2012-11-01 三洋電機株式会社 Module de batterie, système de batterie, véhicule électrique, corps mobile, dispositif de stockage de puissance et dispositif d'alimentation
JP2012230837A (ja) * 2011-04-27 2012-11-22 Toyota Motor Corp 組電池および組電池の製造方法
JP2013016375A (ja) * 2011-07-05 2013-01-24 Hitachi Ltd 非水電解質電池モジュール
JP2014146417A (ja) * 2013-01-25 2014-08-14 Toyota Industries Corp 電池モジュール

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5991658A (ja) * 1982-11-18 1984-05-26 Japan Storage Battery Co Ltd アルカリ蓄電池用モノブロツクタイプ電槽
JP3448817B2 (ja) * 1992-07-25 2003-09-22 孝寛 星野 自立型二輪車
JP2565239Y2 (ja) * 1992-08-21 1998-03-18 株式会社オーテックジャパン 車両のバッテリ搭載構造
US20050211480A1 (en) * 1995-01-17 2005-09-29 Kejha Joseph B Long range hydrogen fueled vehicle construction
JP3224981B2 (ja) * 1995-12-19 2001-11-05 本田技研工業株式会社 作業車
JPH1024870A (ja) * 1996-07-09 1998-01-27 Shigeki Sano 車両のバランス制御装置
JP2000079849A (ja) * 1998-09-04 2000-03-21 Komatsu Ltd セグメント搬送車輌
JP4164212B2 (ja) * 1999-11-18 2008-10-15 株式会社日立製作所 電池モジュール及び電力供給装置
JP2004006089A (ja) * 2002-05-31 2004-01-08 Toyota Motor Corp 電池システム
JP2008302917A (ja) * 2007-05-07 2008-12-18 Bridgestone Corp 電動車両
JP4508221B2 (ja) * 2007-08-27 2010-07-21 豊田合成株式会社 組電池装置
JP4947075B2 (ja) * 2009-03-23 2012-06-06 トヨタ自動車株式会社 蓄電装置の温度調節構造
US20120129026A1 (en) * 2010-11-19 2012-05-24 Wu Donald P H Battery pack with a heat dissipation structure
JP2012135172A (ja) * 2010-12-24 2012-07-12 Nobuyoshi Muto 電気自動車
JP2012192780A (ja) * 2011-03-15 2012-10-11 Mitsubishi Motors Corp 車両の挙動制御装置
JP5441044B1 (ja) * 2013-02-08 2014-03-12 サーチウェア株式会社 小型車両

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002319383A (ja) * 2001-04-23 2002-10-31 Toyota Motor Corp 電池モジュール
JP2004055446A (ja) * 2002-07-23 2004-02-19 Nissan Motor Co Ltd モジュール電池
WO2008007767A1 (fr) * 2006-07-13 2008-01-17 Gs Yuasa Corporation Batterie assemblée formée par empilement d'une pluralité de cellules plates
JP2009026703A (ja) * 2007-07-23 2009-02-05 Toyota Motor Corp 組電池の製造方法
JP2010055908A (ja) * 2008-08-28 2010-03-11 Toyoda Gosei Co Ltd 組電池装置
JP2012230837A (ja) * 2011-04-27 2012-11-22 Toyota Motor Corp 組電池および組電池の製造方法
WO2012147331A1 (fr) * 2011-04-28 2012-11-01 三洋電機株式会社 Module de batterie, système de batterie, véhicule électrique, corps mobile, dispositif de stockage de puissance et dispositif d'alimentation
JP2013016375A (ja) * 2011-07-05 2013-01-24 Hitachi Ltd 非水電解質電池モジュール
JP2014146417A (ja) * 2013-01-25 2014-08-14 Toyota Industries Corp 電池モジュール

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019007730A1 (fr) * 2017-07-04 2019-01-10 Audi Ag Véhicule automobile et procédé pour agencer au moins un accumulateur d'énergie de traction dans un véhicule automobile
US11225151B2 (en) 2017-07-04 2022-01-18 Audi Ag Motor vehicle and method for arranging at least one traction energy storage device in a motor vehicle
EP3657568A1 (fr) * 2018-11-22 2020-05-27 Mazda Motor Corporation Refroidisseur de batterie et véhicule
CN111204200A (zh) * 2018-11-22 2020-05-29 马自达汽车株式会社 电池冷却装置
US11431044B2 (en) * 2018-11-22 2022-08-30 Mazda Motor Corporation Battery cooler
CN111204200B (zh) * 2018-11-22 2024-03-08 马自达汽车株式会社 电池冷却装置
CN111490309A (zh) * 2019-01-25 2020-08-04 本田技研工业株式会社 蓄电模块
CN111490309B (zh) * 2019-01-25 2023-12-19 本田技研工业株式会社 蓄电模块

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