WO2014109024A1 - 車両用電池搭載構造 - Google Patents
車両用電池搭載構造 Download PDFInfo
- Publication number
- WO2014109024A1 WO2014109024A1 PCT/JP2013/050244 JP2013050244W WO2014109024A1 WO 2014109024 A1 WO2014109024 A1 WO 2014109024A1 JP 2013050244 W JP2013050244 W JP 2013050244W WO 2014109024 A1 WO2014109024 A1 WO 2014109024A1
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- WO
- WIPO (PCT)
- Prior art keywords
- vehicle
- fastening
- battery
- ductile
- frame
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/04—Arrangement of batteries
-
- 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
-
- 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
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/229—Composite material consisting of a mixture of organic and inorganic materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
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- 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
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- 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
Definitions
- the present invention relates to a vehicle battery mounting structure.
- the battery frame that supports the drive battery (battery) placed under the floor of the electric vehicle is molded from a fiber reinforced resin material and fixed to the side frames (vehicle body side) placed on the left and right sides of the lower surface of the floor.
- Such a structure is conventionally known (see, for example, Japanese Patent No. 3606415).
- the drive battery is supported by the side frame via a battery frame made of fiber reinforced resin, when a collision load is input to the battery frame due to a vehicle collision, the battery frame cracks. The drive battery may fall out of the battery frame.
- an object of the present invention is to obtain a vehicle battery mounting structure that can suppress the dropping of the battery from the battery frame even when a load is input to the battery frame made of fiber reinforced resin.
- a vehicle battery mounting structure includes a battery frame made of fiber reinforced resin fastened and fixed to a vehicle body via a plurality of first fastening portions,
- the battery includes a battery fastened and fixed to the battery frame via a plurality of second fastening portions, and a ductile member constructed between the first fastening portion and the second fastening portion.
- the ductile member is installed between the first fastening portion that fastens and fixes the battery frame to the vehicle body and the second fastening portion that fastens and fixes the battery to the battery frame. . Therefore, even when a load is input to the battery frame made of fiber reinforced resin and a crack occurs between the first fastening portion and the second fastening portion, the duct is suppressed from dropping off the battery from the battery frame. Is done.
- the vehicle battery mounting structure of the 2nd aspect which concerns on this invention is a vehicle battery mounting structure of a 1st aspect, Comprising:
- the said ductility member is a said 1st fastening part and a said 2nd fastening part. It is erected between.
- the ductile member is installed between the adjacent first fastening portion and second fastening portion. Therefore, the ductile member has a compact configuration, and an increase in weight and cost due to the provision of the ductile member are suppressed.
- a vehicle battery mounting structure is the vehicle battery mounting structure according to the first aspect, and includes a plurality of adjacent first fastening portions and second fastening portions.
- the fastening set is spaced apart in the vehicle longitudinal direction and the vehicle width direction, and the ductile member extends so as to connect the plurality of fastening sets in the vehicle longitudinal direction or in the vehicle width direction. .
- the plurality of fastening sets that are composed of the adjacent first fastening portion and second fastening portion and are separated in the vehicle body longitudinal direction and the vehicle width direction extend in the vehicle longitudinal direction. They are connected by existing ductile members or connected by ductile members extending in the vehicle width direction. Therefore, when the fastening set is connected by the ductile member extending in the longitudinal direction of the vehicle body, even if a load is input from the vehicle width direction and a crack occurs between the fastening sets, the battery falls off from the battery frame. Is stably suppressed.
- the fastening set When the fastening set is connected by the ductile member extending in the vehicle width direction, even if a load is input from the longitudinal direction of the vehicle body and a crack occurs between the fastening sets, the battery falls off from the battery frame. Is stably suppressed.
- a vehicle battery mounting structure is the vehicle battery mounting structure according to the first aspect, and includes a plurality of adjacent first fastening portions and second fastening portions.
- the fastening sets are spaced apart in the vehicle longitudinal direction and the vehicle width direction, and the ductile member extends so as to connect the plurality of fastening sets in the vehicle longitudinal direction and the vehicle width direction.
- the plurality of fastening sets that are composed of the adjacent first fastening portion and second fastening portion and are separated in the vehicle body longitudinal direction and the vehicle width direction are the vehicle body longitudinal direction and the vehicle. It is connected by a ductile member extending in the width direction. Therefore, even when a load is input from the vehicle width direction or the vehicle body front-rear direction and a crack is generated between the fastening sets, the battery is stably suppressed from falling off the battery frame.
- the vehicle battery mounting structure according to the fifth aspect of the present invention is the vehicle battery mounting structure according to any one of the first to fourth aspects, wherein the ductile member is formed in a flat plate shape. .
- the ductile member is formed in a flat plate shape. Therefore, the ductile member may have a simple configuration.
- the vehicle battery mounting structure according to the sixth aspect of the present invention is the vehicle battery mounting structure according to any one of the first to fourth aspects, in which the outer peripheral portions of the battery frame are joined to each other.
- a battery frame upper and a battery frame lower that constitute a closed cross section are provided, and the ductile member is provided in the closed cross section.
- the ductile member is provided in the battery frame having a closed cross-sectional structure. Therefore, even when a load is input to the battery frame, the crack is effectively suppressed from occurring in the battery frame, and the battery is more stably suppressed from falling off the battery frame.
- the vehicle battery mounting structure according to the seventh aspect of the present invention is the vehicle battery mounting structure according to the sixth aspect, wherein the ductile member has a closed cross section by joining the flange portions to each other. And the flange portion of the upper member and the flange portion of the lower member on the outer peripheral side are the outer peripheral portion of the battery frame upper and the outer periphery of the battery frame lower And are joined to each other.
- the ductile member has a closed cross-sectional structure, and the flange portion of the upper member and the flange portion of the lower member are disposed between the outer peripheral portion of the battery frame upper and the outer peripheral portion of the battery frame lower. Are sandwiched and joined together. Therefore, the impact resistance of the battery frame is improved, and even when a load is input to the battery frame, it is more effectively suppressed that the battery frame is cracked. Therefore, it is more stably suppressed that the battery falls off the battery frame.
- the first aspect of the present invention even when a load is input to the battery frame made of fiber reinforced resin, it is possible to suppress the dropping of the battery from the battery frame.
- the ductile member can be made compact, and an increase in weight and an increase in cost can be suppressed.
- the third aspect of the present invention even when a load is input to the battery frame made of fiber reinforced resin from the vehicle width direction or the vehicle body front-rear direction, it is possible to stably suppress the dropping of the battery from the battery frame. Can do.
- the drop-off of the battery from the battery frame is suppressed stably. Can do.
- the ductile member can be configured simply.
- the sixth aspect of the present invention even when a load is input to the battery frame made of fiber reinforced resin, it is possible to more stably suppress the dropping of the battery from the battery frame.
- the impact resistance of the battery frame made of fiber reinforced resin can be improved, and even when a load is input to the battery frame, the battery is more easily removed from the battery frame. It can be stably suppressed.
- FIG. 3 is a cross-sectional view taken along line AA in FIG. 2. It is a top view which shows the modification of the battery mounting structure for vehicles which concerns on 1st Embodiment.
- FIG. 5 is a cross-sectional view taken along line BB in FIG. 4. It is a top view which shows the battery mounting structure for vehicles which concerns on 2nd Embodiment. It is CC sectional view taken on the line of FIG. It is a top view which shows the battery mounting structure for vehicles which concerns on 3rd Embodiment.
- FIG. 3 is a cross-sectional view taken along line AA in FIG. 2. It is a top view which shows the modification of the battery mounting structure for vehicles which concerns on 1st Embodiment.
- FIG. 5 is a cross-sectional view taken along line BB in FIG. 4. It is a top view which shows the battery mounting structure for vehicles which concerns on 2nd Embodiment. It is CC sectional view taken on the line of FIG. It is a top view which shows the battery mounting
- FIG. 9 is a cross-sectional view taken along line DD in FIG. 8.
- FIG. 9 is a cross-sectional view taken along line EE in FIG. 8. It is sectional drawing which shows the modification of the vehicle battery mounting structure which concerns on 3rd Embodiment. It is a top view which shows the battery mounting structure for vehicles which concerns on 4th Embodiment.
- FIG. 13 is a cross-sectional view taken along line FF in FIG. 12. It is a top view which shows the modification of the battery mounting structure for vehicles which concerns on 4th Embodiment.
- FIG. 15 is a cross-sectional view taken along line GG in FIG. 14.
- an arrow UP appropriately shown in each drawing is an upward direction of the vehicle body
- an arrow FR is a forward direction of the vehicle body
- an arrow OUT is an outer side of the vehicle width direction.
- a vehicle battery mounting structure 10 As shown in FIGS. 1 to 3, a vehicle battery mounting structure 10 according to this embodiment applied to a vehicle such as an electric vehicle has a plurality of metal floor panels (vehicle bodies) 12 constituting a vehicle floor.
- the battery frame (stack frame) 20 made of fiber reinforced resin fastened and fixed via the first fastening part 40 and the fuel as the battery fastened and fixed to the battery frame 20 via the plurality of second fastening parts 50
- the battery stack 30 includes a plurality of (for example, two) ductile members 52 and 54 installed between the first fastening portion 40 and the second fastening portion 50.
- the floor panel 12 has a tunnel portion 14 that extends in the vehicle longitudinal direction at the center in the vehicle width direction, and is concave in a cross section viewed from the vehicle longitudinal direction on the vehicle body front side on both the left and right sides of the tunnel portion 14.
- a pair of left and right front mounting portions 16 are provided.
- a pair of left and right rear mounting portions 18 that are concave in a cross section viewed from the vehicle width direction are provided on the vehicle body rear side on both the left and right sides of the tunnel portion 14.
- Each front mounting portion 16 is formed with two through holes 16A through which the flange bolts 92 are inserted side by side in the longitudinal direction of the vehicle body, and each rear mounting portion 18 is inserted through the flange bolt 92.
- One through hole 18A is formed.
- the battery frame 20 is fastened and fixed to the front mounting portions 16 and the rear mounting portions 18 by flange bolts 92 and nuts 94 so that the battery frame 20 is arranged on the lower side of the vehicle body of the floor panel 12. (See FIG. 3).
- the battery frame 20 has at least a flat upper frame 22 as a battery frame upper and a tray-like lower frame 24 as a battery frame lower.
- the upper frame 22 is formed in a “convex” shape in plan view with the front end center portion protruding to the front side of the vehicle body in accordance with the shape of an exterior portion 32 of the fuel cell stack 30 described later.
- the lower frame 24 is also formed in a “convex” shape in plan view.
- the lower frame 24 includes a flat bottom portion 25 formed in a “convex” shape in plan view, and a side wall portion 26 erected integrally with a peripheral portion of the bottom portion 25. And a flat plate-like overhanging portion (outer peripheral portion) 27 integrally projecting outward from the upper end portion of the side wall portion 26, and the outer shape including the overhanging portion 27 in plan view is
- the size of the upper frame 22 is the same.
- the overhanging portion 27 of the lower frame 24 and the outer peripheral portion 23 of the upper frame 22 are joined by an adhesive and bolts and nuts (not shown), so that the battery frame 20 having a rectangular closed cross-sectional structure is configured. It has become. Therefore, a plurality of (for example, four) through-holes 21 for inserting bolts are formed on the left and right sides of the outer peripheral portion 23 (the overhang portion 27) (see FIG. 2).
- the front end center portion protruding to the vehicle body front side of the outer peripheral portion 23 is a protrusion portion 23A
- the front end center portion of the projecting portion 27 protruding to the vehicle body front side is a protrusion portion 27A.
- two through holes 23B arranged in the longitudinal direction of the vehicle body are formed on the left and right sides of the projecting portion 23A of the outer peripheral portion 23, and one on each of the left and right sides of the rear end portion of the outer peripheral portion 23.
- Through-holes 23C are formed.
- two through holes 27B arranged in the longitudinal direction of the vehicle body are formed on the left and right sides of the projecting portion 27A of the projecting portion 27, and the rear end of the projecting portion 27 is formed.
- One through hole 27C is formed on each of the left and right sides of the portion.
- one through hole 23D is formed in the protruding portion 23A of the outer peripheral portion 23 adjacent to the inner side in the vehicle width direction of each of the two through holes 23B.
- one through hole 23E is formed adjacent to the outside in the vehicle width direction of each one through hole 23C.
- a reinforcing frame 28 made of fiber reinforced resin as an intermediate member is provided between the upper frame 22 and the lower frame 24 so that the battery frame 20 has a closed cross-sectional shape.
- the reinforcing frame 28 is integrally formed with a plurality of recesses 28 ⁇ / b> A extending in the longitudinal direction of the vehicle body, and the lower surface of each recess 28 ⁇ / b> A is joined to the upper surface of the bottom 25 of the lower frame 24 with an adhesive.
- the upper surface of the reinforcing frame 28 is joined to the lower surface of the upper frame 22 with an adhesive, and the outer peripheral portion 28B of the reinforcing frame 28 is formed between the outer peripheral portion 23 of the upper frame 22 and the protruding portion 27 of the lower frame 24. It is sandwiched between them and joined together.
- the reinforcing frame 28 improves the strength (rigidity) of the battery frame 20.
- the illustrated reinforcing frame 28 is formed with recesses 28A at positions corresponding to the through holes 23D and 23E so that the weld nut 98 can be allowed. Further, a through hole 28 ⁇ / b> C for inserting the collar member 48 is formed in the outer peripheral portion 28 ⁇ / b> B of the reinforcing frame 28.
- the fuel cell stack 30 has an exterior portion 32 formed of metal (or resin) in a box shape having a convex shape in plan view.
- Leg portions 34 projecting outward are integrally formed at a plurality of locations in the peripheral edge of the lower end of the. More specifically, leg portions 34 project from the lower end portions of the left and right side walls 32A at the center of the front end of the exterior portion 32 projecting toward the front of the vehicle body and the lower end portions of the left and right sides of the rear wall 32B of the exterior portion 32, respectively. ing.
- Each leg 34 is formed with a through-hole 34A for inserting a collar member 38 and a flange bolt 96 described later.
- a reinforcing flanged cylindrical member 36 is inserted into each through hole 34A from the lower side of the vehicle body, and the outer peripheral surface of the cylindrical portion 36A, which is the axial center, is the inner periphery of each through hole 34A. It is bonded to the surface with an adhesive.
- a cylindrical collar member 38 is inserted into a through hole in the cylindrical portion 36 ⁇ / b> A of the cylindrical member 36.
- the lower end surface and the lower surface of the flange portion 36B of the cylindrical member 36 are in contact with upper surfaces of ductile members 52 and 54 described later (see FIG. 3).
- substantially elliptical ductile members 52 and 54 are respectively constructed.
- Each of the ductile members 52 and 54 is formed in a flat plate shape, for example, by a high-tensile steel plate or an ultra-high-strength steel plate, and through-holes communicating with the through-holes 23B and 23D are formed at both ends of each of the ductile members 52 and 54.
- Through holes 54A and 54B communicating with the through holes 52A and 52B and the through holes 23C and 23E are formed, respectively.
- the ductile member 52 and the ductile member 54 have a distance between the adjacent through hole 23 ⁇ / b> B and the through hole 23 ⁇ / b> D, and between the adjacent through hole 23 ⁇ / b> C and the through hole 23 ⁇ / b> E, respectively.
- the size is appropriately determined according to the distance. Therefore, in the case of the illustrated battery frame 20, the ductile member 54 is formed to be larger in size than the ductile member 52.
- the ductile members 52 and 54 are bonded to the upper surface of the upper frame 22 by an adhesive, and are integrated with the upper frame 22. As shown in FIG. 3, weld nuts 98 that are coaxially connected to the respective through holes 52 ⁇ / b> B and 54 ⁇ / b> B are provided in advance on the lower surfaces of the inner ends of the ductile members 52 and 54 in the vehicle width direction. .
- a metal reinforcing member 42 that covers at least the side wall portion 26 is provided below the overhang portion 27 of the battery frame 20.
- the reinforcing member 42 is formed in a closed cross-sectional shape by joining the flange portion 44A of the upper panel 44 and the flange portion 46A of the lower panel 46 to each other, and the upper panel 44 and the lower panel 46 communicate with each other in the vertical direction of the vehicle body. Through holes 44B and 46B are formed.
- a metal (for example, iron) cylindrical collar member 48 is inserted, and the outer peripheral surface 48A is joined to the upper panel 44 and the lower panel 46 by welding.
- the collar member 48 projects from the upper surface of the upper panel 44 to the upper side of the vehicle body, and is inserted into the through holes 27B, 23B, 52A and the through holes 27C, 23C, 54A, respectively. It has become.
- the upper panel 44 of the reinforcing member 42 is bonded to the lower surface of the overhanging portion 27, the outer surface of the side wall portion 26, and a part of the lower surface of the bottom portion 25 with an adhesive. Therefore, as shown in FIG. 3, the inner side in the vehicle width direction of the upper panel 44 is bent in a substantially “L” cross section so as to follow the shapes of the protruding portion 27, the side wall portion 26, and the bottom portion 25.
- the lower panel 46 is bent in a substantially inverted “L” shape on the outer side in the vehicle width direction so as to form a rectangular closed cross-sectional shape with the upper panel 44.
- the structure of the first fastening part 40 with respect to the floor panel 12 of the battery frame 20 and the structure of the second fastening part 50 with respect to the battery frame 20 of the fuel cell stack 30 will be described.
- the 1st fastening part 40 and the 2nd fastening part 50 in the ductile member 52 side and the 1st fastening part 40 and the 2nd fastening part 50 in the ductile member 54 side are the same structures, here the ductile member 52 side Will be described as an example.
- the collar member 48 is inserted into the through holes 44 ⁇ / b> B and 46 ⁇ / b> B of the reinforcing member 42 and joined to the reinforcing member 42. Therefore, when the reinforcing member 42 is attached to the lower side of the overhanging portion 27, the through holes 27B and 23B of the overhanging portion 27 (projecting portion 27A) and the outer peripheral portion 23 (projecting portion 23A) The collar member 48 is inserted into the through hole 52A from the lower side of the vehicle body.
- the flange bolt 92 is inserted into the through hole 48B of the collar member 48 from the lower side of the vehicle body, and protrudes from the through holes 16A formed in the front mounting portion 16 of the floor panel 12 to the upper side of the vehicle body. Screw together.
- the ductile member 54 side that is, the rear attachment portion 18 side is also fastened in the same manner. Thereby, the battery frame 20 is fastened and fixed to the floor panel 12.
- the fastening portion including the collar member 48 is the first fastening portion 40.
- the legs 34 of the fuel cell stack 30 (specifically, the flanges 36B of the cylindrical member 36 integrally provided in the through hole 34A) are connected to the battery frame 20 (upper frame 22). Place on top. Then, the collar member 38 is inserted into the through hole of the cylindrical member 36 from above the vehicle body, and the through hole 38A of the collar member 38 and the through hole 52B of the ductile member 52 are communicated.
- a flange bolt 96 fitted with a washer 97 having an outer diameter equal to or larger than the outer diameter of the cylindrical member 36 is inserted into the through hole 38A of the collar member 38 from the upper side of the vehicle body and provided on the lower surface of the ductile member 52.
- the weld nut 98 is screwed.
- the ductile member 54 side is also fastened in the same manner.
- the fuel cell stack 30 is fastened and fixed to the battery frame 20, and the fastening portion is the second fastening portion 50. That is, the fuel cell stack 30 is fixed to the battery frame 20 via the ductile members 52 and 54.
- the ductile member 52, 54 can suppress or prevent the fuel cell stack 30 from falling off the battery frame 20.
- the ductile members 52 and 54 are formed in a flat plate shape, the configuration thereof is simple, and since the duct members 52 and 54 are installed between the adjacent first fastening portion 40 and the second fastening portion 50, they are compact. Configuration is enough. Therefore, even if it is the structure provided with the ductility members 52 and 54, the increase in the weight in a vehicle and the increase in manufacturing cost can be suppressed.
- the ductile members 56 and 58 according to this modification are each configured to have a closed cross-sectional shape, and are integrally provided in the battery frame 20 having the closed cross-sectional shape. It has become.
- the ductile member 56 includes an upper panel 62 as an upper member and a lower panel 64 as a lower member, and a flange portion 62A of the upper panel 62 and a flange portion 64A of the lower panel 64 are provided. By being joined together, a closed cross-sectional shape is formed.
- the upper panel 62 is formed with a raised portion 63 having a circular shape in plan view that protrudes toward the upper side of the vehicle body, and a through hole 63A for inserting the flange bolt 96 is formed at the center of the raised portion 63. Yes.
- a weld nut 98 that is coaxially connected to the through hole 63A is provided on the lower surface of the raised portion 63.
- the battery frame 20 has a reinforcing frame 28 between the upper frame 22 and the lower frame 24, and a collar member 48 is inserted into each of the upper frame 22, the reinforcing frame 28, and the bottom portion 25 of the lower frame 24.
- Through holes 22A, 28C, and 25A are formed.
- the upper frame 22 and the reinforcement frame 28 are formed with through holes 22B and 28D for projecting the raised portion 63 from the upper surface of the upper frame 22, and the reinforcement frame 28 is bent in a staircase shape on the inner side in the vehicle width direction. A bent portion 28E is formed.
- the battery frame 20 is assembled as follows. First, the ductile member 56 is provided in the lower frame 24. At this time, the lower end portion of the collar member 48 is inserted into the through hole 25A formed in the bottom portion 25. Then, at least the lower surface of the flange portion 64A of the lower panel 64 of the ductile member 56 is joined to the upper surface of the protruding portion 27 of the lower frame 24 with an adhesive.
- the reinforcing frame 28 is put on the ductile member 56.
- the collar member 48 is inserted into the through hole 28C, and the raised portion 63 is inserted into the through hole 28D.
- at least the lower surface of the outer peripheral portion 28B of the reinforcing frame 28 is joined to the upper surface of the flange portion 62A of the upper panel 62 of the ductile member 56 with an adhesive, and the lower surface of the bent portion 28E of the reinforcing frame 28 is joined to the upper panel of the ductile member 56.
- the upper surface of the flange portion 62 ⁇ / b> A and the upper surface of the bottom portion 25 are joined by an adhesive.
- the upper frame 22 is put on the reinforcing frame 28.
- the collar member 48 is inserted into the through hole 22A, and the raised portion 63 is inserted into the through hole 22B.
- at least the lower surface of the outer peripheral portion 23 of the upper frame 22 is joined to the upper surface of the outer peripheral portion 28B of the reinforcing frame 28 with an adhesive.
- the ductile member 56 having a closed cross-sectional shape is integrally provided inside the battery frame 20.
- the ductile member 56 having a closed cross-sectional shape is installed between the first fastening portion 40 and the second fastening portion 50, the first fastening portion 40, the second fastening portion 50, Can be firmly coupled, and the impact resistance of the battery frame 20 can be improved.
- the ductile member 58 side is the same as the ductile member 56 side, description thereof is omitted.
- the ductile members 52, 54, 56, and 58 according to the first embodiment may be in a shape that is provided between the adjacent first fastening portion 40 and the second fastening portion 50, and are limited to the shape shown in the drawing. Is not to be done. Therefore, in the following, even if the shape is different from the shape shown in FIG. 4 and FIG. 5, the ductile member having a closed cross-sectional shape constructed between the adjacent first fastening portion 40 and the second fastening portion 50 is used.
- Reference numerals 56 and 58 are attached and detailed description thereof is omitted.
- the adjacent first fastening portion 40 and second fastening portion 50 are set as one fastening set
- the vehicle left front side is a fastening set 60
- the vehicle right front side is a fastening set 70
- the vehicle left rear side is a fastening set 80
- the vehicle right rear side is a fastening set 90. That is, the respective fastening sets 60, 70, 80, 90 are arranged apart from each other in the vehicle longitudinal direction and the vehicle width direction.
- a fastening set 60 on the left side of the vehicle and a fastening set 70 on the right side of the vehicle are provided by the ductile member 66 having a closed cross-sectional shape extending in the vehicle width direction.
- a fastening set 80 on the left side of the vehicle and a fastening set 90 on the right side of the vehicle are connected to each other by the ductile member 68 having a closed cross-sectional shape extending in the vehicle width direction on the rear side of the vehicle.
- the ductile member 66 includes an upper panel 72 as an upper member and a lower panel 74 as a lower member, and the flange portion 72A of the upper panel 72 and the flange portion 74A of the lower panel 74 are provided. By being joined together, a closed cross-sectional shape is formed.
- the upper panel 72 is formed with a raised portion 73 having a circular shape in plan view that protrudes toward the upper side of the vehicle body, and a through hole 73A for inserting the flange bolt 96 is formed at the center of the raised portion 73. Yes.
- a weld nut 98 that is coaxially connected to the through-hole 73A is provided on the lower surface of the raised portion 73.
- the battery frame 20 has a reinforcing frame 28 between the upper frame 22 and the lower frame 24, and a collar member 48 is inserted into each of the upper frame 22, the reinforcing frame 28, and the bottom portion 25 of the lower frame 24.
- Through holes 22A, 28C, and 25A are formed.
- the upper frame 22 and the reinforcing frame 28 are formed with through holes 22 ⁇ / b> B and 28 ⁇ / b> D that allow the raised portion 73 to protrude from the upper surface of the upper frame 22.
- the ductile member 66 having a closed cross-sectional shape is integrally provided inside the battery frame 20.
- the ductile member 68 is also integrally provided in the battery frame 20 in the same manner.
- the ductile members 66 and 68 having a closed cross-sectional shape are installed between the first fastening portion 40 and the second fastening portion 50, and the fastening set 60 on the vehicle left front side and the vehicle right front are provided.
- the side fastening set 70 is connected in the vehicle width direction by a duct member 66 having a closed cross-sectional shape, and the vehicle left rear side fastening set 80 and the vehicle right rear side fastening set 90 have a closed cross-sectional shape.
- the duct members 68 are connected in the vehicle width direction.
- a crack occurs between the first fastening portion 40 and the second fastening portion 50, or a crack (or breakage) occurs between the fastening set 60 on the vehicle left front side and the fastening set 70 on the vehicle right front side.
- a crack occurs between the fastening set 80 on the left rear side of the vehicle and the fastening set 90 on the right rear side of the vehicle. It is possible to stably suppress or prevent the dropout.
- the ductile members 66 and 68 in the second embodiment connect the fastening set 60 on the vehicle left front side and the fastening set 70 on the vehicle right front side in the vehicle width direction, and the fastening set 80 on the vehicle left rear side
- Any shape that can connect the fastening set 90 on the right rear side of the vehicle in the vehicle width direction is acceptable, and the shape is not limited to the illustrated shape. Therefore, in the following description, even if the shape is different from the shape shown in FIGS. A detailed description thereof will be omitted.
- a fastening set 60 on the front side of the vehicle and a fastening set 80 on the rear side of the vehicle are provided by a flat duct-like member 76 extending in the longitudinal direction of the vehicle body.
- a fastening set 70 on the front side of the vehicle and a fastening set 90 on the rear side of the vehicle are connected by a flat duct-like member 78 extending in the longitudinal direction of the vehicle body.
- the ductile member 56 on the vehicle front side and the ductile member 58 on the vehicle rear side are connected by the ductile member 76 on the left side of the vehicle, and the ductile member 56 on the vehicle front side and the ductile member 58 on the vehicle rear side are connected on the vehicle right side.
- a ductile member 78 are connected by a ductile member 78.
- the ductility members 56 and 58 are the structures equivalent to the said 1st Embodiment. Since the ductile member 76 and the ductile member 78 have the same configuration, the ductile member 76 will be described as an example here.
- the ductile member 76 provided on the left side of the vehicle connects the first fastening part 40 in the fastening set 60 and the first fastening part 40 in the fastening set 80.
- a ductile member 76 is provided between the ductile member 56 and the bottom portion 25 of the lower frame 24.
- the front end portion 76A is disposed and joined, and the collar member 48 is inserted into the through hole 76C of the front end portion 76A.
- the rear end portion 76B of the ductile member 76 is disposed and joined between the ductile member 58 and the bottom portion 25 of the lower frame 24, and is connected to the through hole 76D at the rear end portion.
- a collar member 48 is inserted.
- the ductile members 56 and 58 having a closed cross-sectional shape are installed between the first fastening portion 40 and the second fastening portion 50, and the fastening set 60 (ductile member on the left front side of the vehicle).
- 56) and the vehicle left rear side fastening set 80 (ductile member 58) are connected in the longitudinal direction of the vehicle body by the ductile member 76, and the vehicle right front side fastening set 70 (ductile member 56) and the vehicle right rear side fastening set are connected.
- 90 ductile member 58
- a crack occurs between the first fastening portion 40 and the second fastening portion 50, or a crack (or between the fastening set 60 on the left front side of the vehicle and the fastening set 80 on the rear left side of the vehicle (or
- the fuel cell stack 30 is removed from the battery frame 20 even if a crack (or breakage) occurs between the fastening set 70 on the right front side of the vehicle and the fastening set 90 on the rear right side of the vehicle. It is possible to stably suppress or prevent the dropout.
- the left and right ductile members 76 and 78 include a first fastening portion 40 in the vehicle front side fastening sets 60 and 70 and a first fastening portion 40 in the vehicle rear side fastening sets 80 and 90, respectively. Since 56 and the ductile member 58 are connected, the strength (rigidity) of the battery frame 20 can be further improved.
- the ductile member 77 is configured in a closed cross-sectional shape extending in the longitudinal direction of the vehicle body, and the fastening set 60 on the vehicle left front side and the fastening set on the vehicle left rear side, respectively. 80, and a fastening set 70 on the right front side of the vehicle and a fastening set 90 on the right rear side of the vehicle are connected.
- the ductile member 77 has an upper panel 82 as an upper member and a lower panel 84 as a lower member, and the flange portion 82A of the upper panel 82 and the flange portion 84A of the lower panel 84 are joined to each other, It has a closed cross-sectional shape.
- the upper panel 82 is formed with a raised portion having a circular shape in plan view that protrudes upward in the vehicle body, and a through hole for inserting the flange bolt 96 is formed at the center of the raised portion. Is formed. A weld nut 98 that is coaxially connected to the through hole is provided on the lower surface of the raised portion.
- the ductile member 77 having a closed cross-sectional shape is installed between the first fastening portion 40 and the second fastening portion 50, and the fastening set 60 on the vehicle left front side and the vehicle left rear side
- the fastening set 80 is connected in the longitudinal direction of the vehicle body by a ductile member 77 having a closed cross-sectional shape, and the fastening set 70 on the front right side of the vehicle and the fastening set 90 on the rear right side of the vehicle are made ductile with a closed cross-sectional shape.
- the members 77 are connected in the vehicle width direction.
- a crack occurs between the first fastening portion 40 and the second fastening portion 50, or a crack (or between the fastening set 60 on the left front side of the vehicle and the fastening set 80 on the rear left side of the vehicle (or
- the fuel cell stack 30 is removed from the battery frame 20 even if a crack (or breakage) occurs between the fastening set 70 on the right front side of the vehicle and the fastening set 90 on the rear right side of the vehicle. It can suppress or prevent falling off more stably.
- the second embodiment and the third embodiment are formed in a combined shape. That is, the fastening set 60 on the left side of the vehicle and the fastening set 70 on the right side of the vehicle are connected to each other by the ductile member 66 extending in the vehicle width direction on the vehicle front side, and extends in the vehicle width direction on the vehicle rear side.
- the ductile member 68 By the ductile member 68, the fastening set 80 on the left side of the vehicle and the fastening set 90 on the right side of the vehicle are connected.
- the ductile member 66 and the ductile member 68 are connected to each other on the left side of the vehicle by a ductile member 86 extending in the longitudinal direction of the vehicle body.
- the ductile member 66 is coupled to the ductile member 66 by the ductile member 88 extending in the longitudinal direction of the vehicle body.
- the ductile member 68 is connected.
- the front end portions 86A and 88A of the ductility members 86 and 88 are joined to the rear end portion 66A of the ductility member 66, respectively, and the rear end portions 86B and 86B of the ductility members 86 and 88 are joined to the front end portion 68A of the ductility member 68.
- Each of 88B is joined.
- the ductile members 66 and 68 having a closed cross-sectional shape are installed between the first fastening portion 40 and the second fastening portion 50, and the fastening set 60 (the ductile member on the left front side of the vehicle).
- 66) and a fastening set 80 (ductile member 68) on the left rear side of the vehicle are connected in the longitudinal direction of the vehicle body by a ductile member 86, and a fastening set 70 (ductibility member 66) on the right front side of the vehicle and a fastening set on the right rear side of the vehicle 90 (the ductile member 68) is connected in the longitudinal direction of the vehicle body by the ductile member 88.
- the left and right ductile members include the first fastening portion 40 in the vehicle front side fastening sets 60 and 70 and the first fastening portion 40 in the vehicle rear side fastening sets 80 and 90. You may make it the structure connected by 76,78.
- the rear first fastening portion 40 has the ductile member 76 between the ductile member 66 and the bottom portion 25 of the lower frame 24.
- the front end portion 76A is disposed and joined, and the collar member 48 is inserted into the through hole 76C of the front end portion 76A.
- the rear end portion 76B of the ductile member 76 is disposed and joined between the ductile member 68 and the bottom portion 25 of the lower frame 24, and the through hole 76D in the rear end portion 76B.
- a collar member 48 is inserted through the collar member 48.
- the left and right ductile members 76 and 78 include the first fastening portion 40 in the vehicle front side fastening sets 60 and 70 and the first fastening portion 40 in the vehicle rear side fastening sets 80 and 90. Since the ductile member 66 and the ductile member 68 are connected to each other, the strength (rigidity) of the battery frame 20 can be further improved.
- the battery frame 20 When an excessive load is input to the joint, there is a concern about the fracture (peeling) of the joint portion.
- the ductile members 76 and 78 the first fastening portion 40 on the vehicle front side and the first fastening on the vehicle rear side. Since it is joined including the part 40, there is no such concern.
- the vehicle battery mounting structure 10 according to the present embodiment has been described based on the drawings, but the vehicle battery mounting structure 10 according to the present embodiment is not limited to the illustrated one, and The design can be changed as appropriate without departing from the scope of the invention.
- the ductile member (metal member) according to the present embodiment is not limited to one formed from a high-tensile steel plate or an ultra-high-tensile steel plate, and is formed from an aluminum alloy or iron having a certain degree of hardness. It may be.
- the ductile member according to the present embodiment is not limited to the configuration in which the duct member is bonded to the battery frame 20 by an adhesive, and may be configured to be bonded by a bonding member such as a rivet.
- the ductility members 76 and 78 are joined to the ductility members 56 and 58, the ductility members 76 and 78 or the ductility members 86 and 88 are joined to the ductility members 66 and 68, and the flange portion of the upper panel and the flange portion of the lower panel are joined. May be joined by spot welding or an adhesive, and is not particularly limited.
- the ductile member according to the present embodiment is not limited to the configuration constructed between the adjacent first fastening portion 40 and the second fastening portion 50.
- the battery frame 20 according to the present embodiment is not limited to the one that supports the fuel cell stack 30.
- Vehicle battery mounting structure 12
- Floor panel 20
- battery frame 22
- upper frame 23
- Outer perimeter 24
- Lower frame 24
- Lower frame 24
- Lower frame 24
- Lower frame 24
- Overhang (outer periphery) 30
- Fuel cell stack 40
- 1st fastening part 50
- 2nd fastening part 52
- Ductile member 54
- Ductile member 56
- Ductile member 58
- Ductile member 60
- Upper panel (upper member) 64
- Lower panel 66
- Ductile member 68
- Ductile member 70
- Upper panel upper member
- Lower panel 76
- Ductile member 77
- Ductile member 78
- Ductile member 80
- Fastening set 82
- Upper panel 84
- Lower panel 86
- Ductile member 88
- 90 90 Fastening set
Abstract
Description
まず、第1実施形態について説明する。図1~図3に示されるように、電気自動車等の車両に適用される本実施形態に係る車両用電池搭載構造10は、車両のフロアを構成する金属製のフロアパネル(車体)12に複数の第1締結部40を介して締結固定された繊維強化樹脂製のバッテリフレーム(スタックフレーム)20と、そのバッテリフレーム20に複数の第2締結部50を介して締結固定された電池としての燃料電池スタック30と、第1締結部40と第2締結部50との間に架設された複数(例えば2個)の延性部材52、54と、を有している。
次に、第1実施形態の変形例について説明する。図4、図5に示されるように、この変形例に係る延性部材56、58は、それぞれ閉断面形状に構成されており、閉断面形状とされたバッテリフレーム20内に一体的に設けられるようになっている。
次に、第2実施形態について説明する。なお、上記第1実施形態(変形例も含む)と同等の部位には、同じ符号を付して詳細な説明(共通する作用も含む)は、適宜省略する。
次に、第3実施形態について説明する。なお、上記第1実施形態及び第2実施形態と同等の部位には、同じ符号を付して詳細な説明(共通する作用も含む)は、適宜省略する。
次に、第3実施形態の変形例について説明する。図11に示されるように、この変形例に係る延性部材77は、車体前後方向に延在する閉断面形状に構成されており、それぞれ車両左前側の締結組60と車両左後側の締結組80とを連結し、車両右前側の締結組70と車両右後側の締結組90とを連結するようになっている。
次に、第4実施形態について説明する。なお、上記第1実施形態~第3実施形態と同等の部位には、同じ符号を付して詳細な説明(共通する作用も含む)は、適宜省略する。また、図12におけるC-C線矢視断面図は、図7と同一である。
次に、第4実施形態の変形例について説明する。図14、図15に示されるように、車両前側の締結組60、70における第1締結部40と、車両後側の締結組80、90における第1締結部40と、を左右それぞれの延性部材76、78によって連結する構成にしてもよい。
12 フロアパネル(車体)
20 バッテリフレーム
22 アッパフレーム(バッテリフレームアッパ)
23 外周部
24 ロアフレーム(バッテリフレームロア)
27 張出部(外周部)
30 燃料電池スタック(電池)
40 第1締結部
50 第2締結部
52 延性部材
54 延性部材
56 延性部材
58 延性部材
60 締結組
62 アッパパネル(アッパ部材)
64 ロアパネル(ロア部材)
66 延性部材
68 延性部材
70 締結組
72 アッパパネル(アッパ部材)
74 ロアパネル(ロア部材)
76 延性部材
77 延性部材
78 延性部材
80 締結組
82 アッパパネル(アッパ部材)
84 ロアパネル(ロア部材)
86 延性部材
88 延性部材
90 締結組
Claims (7)
- 車体に複数の第1締結部を介して締結固定された繊維強化樹脂製のバッテリフレームと、
前記バッテリフレームに複数の第2締結部を介して締結固定された電池と、
前記第1締結部と前記第2締結部との間に架設された延性部材と、
を有する車両用電池搭載構造。 - 前記延性部材は、隣接する前記第1締結部と前記第2締結部との間に架設されている請求項1に記載の車両用電池搭載構造。
- 隣接する前記第1締結部と前記第2締結部とからなる複数の締結組は、車体前後方向及び車幅方向に離間されており、
前記延性部材は、前記複数の締結組を車体前後方向に連結するか、又は車幅方向に連結するように延在されている請求項1に記載の車両用電池搭載構造。 - 隣接する前記第1締結部と前記第2締結部とからなる複数の締結組は、車体前後方向及び車幅方向に離間されており、
前記延性部材は、前記複数の締結組を車体前後方向及び車幅方向に連結するように延在されている請求項1に記載の車両用電池搭載構造。 - 前記延性部材は、平板状に形成されている請求項1~請求項4の何れか1項に記載の車両用電池搭載構造。
- 前記バッテリフレームは、それぞれの外周部が互いに接合されることで閉断面を構成するバッテリフレームアッパとバッテリフレームロアとを有しており、
前記延性部材は、前記閉断面内に設けられている請求項1~請求項4の何れか1項に記載の車両用電池搭載構造。 - 前記延性部材は、それぞれのフランジ部が互いに接合されることで閉断面を構成するアッパ部材とロア部材とを有しており、
前記外周部側における前記アッパ部材のフランジ部と前記ロア部材のフランジ部とが、前記バッテリフレームアッパの外周部と前記バッテリフレームロアの外周部との間に挟まれて互いに接合されている請求項6に記載の車両用電池搭載構造。
Priority Applications (10)
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US14/760,109 US9694772B2 (en) | 2013-01-09 | 2013-01-09 | Battery mounting structure for vehicle |
BR112015016373-4A BR112015016373B1 (pt) | 2013-01-09 | Estrutura de montagem de bateria para veículo | |
CN201380070050.0A CN104919619B (zh) | 2013-01-09 | 2013-01-09 | 车辆用电池搭载结构 |
CA2897705A CA2897705C (en) | 2013-01-09 | 2013-01-09 | Battery mounting structure for vehicle |
JP2014556259A JP5975116B2 (ja) | 2013-01-09 | 2013-01-09 | 車両用電池搭載構造 |
MYPI2015702229A MY180934A (en) | 2013-01-09 | 2013-01-09 | Battery mounting structure for vehicle |
PCT/JP2013/050244 WO2014109024A1 (ja) | 2013-01-09 | 2013-01-09 | 車両用電池搭載構造 |
KR1020157018321A KR101645147B1 (ko) | 2013-01-09 | 2013-01-09 | 차량용 전지 탑재 구조 |
EP13870534.8A EP2945203B1 (en) | 2013-01-09 | 2013-01-09 | Cell mounting structure for vehicle |
RU2015127206/11A RU2601989C1 (ru) | 2013-01-09 | 2013-01-09 | Конструкция держателя аккумулятора для транспортного средства |
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EP (1) | EP2945203B1 (ja) |
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CN (1) | CN104919619B (ja) |
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- 2013-01-09 JP JP2014556259A patent/JP5975116B2/ja active Active
- 2013-01-09 RU RU2015127206/11A patent/RU2601989C1/ru not_active IP Right Cessation
- 2013-01-09 WO PCT/JP2013/050244 patent/WO2014109024A1/ja active Application Filing
- 2013-01-09 EP EP13870534.8A patent/EP2945203B1/en not_active Not-in-force
- 2013-01-09 KR KR1020157018321A patent/KR101645147B1/ko active IP Right Grant
- 2013-01-09 CN CN201380070050.0A patent/CN104919619B/zh active Active
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JP2020129528A (ja) * | 2019-02-12 | 2020-08-27 | 本田技研工業株式会社 | バッテリモジュール |
JP7062604B2 (ja) | 2019-02-12 | 2022-05-06 | 本田技研工業株式会社 | バッテリモジュール |
Also Published As
Publication number | Publication date |
---|---|
US20150343971A1 (en) | 2015-12-03 |
KR20150094709A (ko) | 2015-08-19 |
EP2945203A1 (en) | 2015-11-18 |
RU2601989C1 (ru) | 2016-11-10 |
EP2945203A4 (en) | 2015-12-23 |
CN104919619A (zh) | 2015-09-16 |
US9694772B2 (en) | 2017-07-04 |
CA2897705A1 (en) | 2014-07-17 |
CN104919619B (zh) | 2017-07-18 |
EP2945203B1 (en) | 2017-08-16 |
CA2897705C (en) | 2018-02-13 |
KR101645147B1 (ko) | 2016-08-02 |
BR112015016373A2 (pt) | 2017-07-11 |
JPWO2014109024A1 (ja) | 2017-01-19 |
JP5975116B2 (ja) | 2016-08-23 |
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