WO2022172325A1 - 走行用車両 - Google Patents
走行用車両 Download PDFInfo
- Publication number
- WO2022172325A1 WO2022172325A1 PCT/JP2021/004774 JP2021004774W WO2022172325A1 WO 2022172325 A1 WO2022172325 A1 WO 2022172325A1 JP 2021004774 W JP2021004774 W JP 2021004774W WO 2022172325 A1 WO2022172325 A1 WO 2022172325A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery
- vehicle
- seat
- traveling
- vehicle body
- Prior art date
Links
- 230000004308 accommodation Effects 0.000 abstract description 8
- 230000005484 gravity Effects 0.000 description 7
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
-
- 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
- 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
- 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
- B60L50/66—Arrangements of batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- 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
- B60L2200/00—Type of vehicles
- B60L2200/22—Microcars, e.g. golf cars
-
- 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
- B60Y2200/114—Racing vehicles, e.g. Formula one, Karts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
Definitions
- the present invention relates to a traveling vehicle that travels based on power supply from a battery.
- the traveling vehicle disclosed in Japanese Patent Application Laid-Open No. 2007-60806 is provided with a battery on the side of the seat, so that the battery is exposed to a large amount of wind during traveling.
- racing vehicles are light in weight, they are likely to be affected by running winds and thus be easily disturbed in running.
- the battery may block the side view of the user seated on the seat.
- one aspect of the present invention includes a vehicle body having a seat on which a user can sit, and a plurality of wheels provided on the vehicle body.
- a traveling vehicle having a height lower than an upper portion of the plurality of wheels, wherein the vehicle body includes a battery housing section for housing a battery on a side of the seat, and the battery housing section is a side view of the vehicle body.
- At least a part of the seat overlaps with the seat, and the seat is inclined so that the rear end is positioned higher than the front end.
- the above-mentioned traveling vehicle can improve the traveling stability by ensuring sufficient visibility and reducing the influence of traveling wind.
- FIG. 1 is a perspective view showing the overall configuration of a racing cart that is a vehicle for running according to one embodiment of the present invention
- FIG. It is a side view which shows a racing kart.
- FIG. 3A is a side view schematically showing the arrangement of rear wheels, seats and a battery case.
- FIG. 3B is a side view schematically showing a state in which the battery is housed in the battery case. It is a side view of a racing kart according to a modification.
- a running vehicle 10 is configured as an electric racing cart (hereinafter simply referred to as a racing cart 12) used in a dedicated racing field, amusement facility, or the like. ).
- the racing cart 12 includes a vehicle body 14 and a plurality of (four) wheels 16 attached to the vehicle body 14 .
- the vehicle body 14 has a seat 18 on which the user U who is the driver sits.
- at least a portion of the seat surface 20 of the seat 18 that hits the buttocks of the user U has a plurality of heights (positions in the vehicle height direction).
- the running vehicle 10 is not limited to the racing cart 12, and may be, for example, a vehicle capable of running on public roads, or an entertainment toy.
- the seat surface 20 of the seat 18 may be provided horizontally with respect to the road surface R, and the backrest portion 22 of the seat 18 may be provided perpendicularly or substantially perpendicularly to the horizontally provided seat surface 20. good too.
- the racing cart 12 is for one person, and the vehicle body 14 is configured to be short (compact) in the front-rear direction.
- the longitudinal length of the vehicle body 14 is set, for example, within a range of about 1 m to 2 m. Further, the width of the vehicle body 14 is even shorter than the length of the vehicle body 14 in the longitudinal direction.
- the seat 18 is provided on the vehicle width direction center line CL of the vehicle body 14 .
- the vehicle body 14 has a pair of front wheels 16f (a part of the four wheels 16) forward of the seat 18 and a pair of rear wheels 16r (a part of the four wheels 16) behind the seat 18.
- a vehicle body 14 of the racing cart 12 is formed by assembling together a main panel 24 extending in the front-rear direction and having a seat 18 fixed on its upper surface, and a plurality of frames 26 fixed to the main panel 24. - ⁇ .
- the main panel 24 has an appropriate rigidity and is formed to have approximately the same width as the seat 18 , and constitutes the floor of the racing cart 12 .
- the legs of the user U seated on the seat 18 are arranged to extend forward along the main panel 24 .
- the front side of the main panel 24 is provided with a steering mechanism section 28 for steering the pair of front wheels 16f.
- the steering mechanism unit 28 includes a steering shaft 30 that inclines rearward and upward, and a handle 32 that is gripped and operated by the user U is provided at the upper end of the steering shaft 30 .
- the centers of the steering shaft 30 and the steering wheel 32 are provided on the vehicle width direction center line CL of the vehicle body 14 .
- the steering mechanism unit 28 changes the amount of steering of the pair of front wheels 16f by following the amount of rotation of the steering shaft 30 by combining a frame and hinges (not shown) on the lower side of the steering shaft 30.
- the steering shaft 30 is supported by a support frame 34 fixed to the main panel 24 below the seat 18 .
- the pivot frame 34 obliquely extends forward and upward from the main panel 24 .
- a starter switch (not shown) for turning the racing cart 12 on and off is provided on the surface of the pivot frame 34 facing the user U.
- the steering shaft 30 is covered with a steering cowl 36.
- the steering cowl 36 extends to a front frame 26a (part of the plurality of frames 26) connected to the main panel 24.
- a front bumper 38 is provided on the front end side of the front frame 26a to reduce impact from the front of the vehicle body 14. - ⁇
- an accelerator pedal 40 and a brake pedal 42 made up of a plurality of frames 26 are provided in front of the main panel 24 .
- the accelerator pedal 40 and the brake pedal 42 are provided so as to sandwich the steering shaft 30 (steering cowl 36) therebetween.
- the accelerator pedal 40 is located on the right side of the steering shaft 30 as viewed from the user U, and the sole of the right foot is placed when the user U runs the racing cart 12 .
- the brake pedal 42 is located on the left side of the steering shaft 30 as seen from the user U, and the sole of the left foot is placed on the brake pedal 42 when the user U runs the racing cart 12 .
- the accelerator pedal 40 is provided to act on an accelerator mechanism 41 fixed to the main panel 24 .
- the accelerator mechanism unit 41 electrically or mechanically transmits the amount of accelerator operation by the user U (the amount of depression of the accelerator pedal 40) to an ECU 56 (Electronic Control Unit) for driving control, which will be described later.
- the brake pedal 42 is provided to act on a brake mechanism portion 43 fixed to the main panel 24 .
- the brake mechanism 43 has a structure (hydraulic pressure, wire, etc.) that can mechanically apply a braking force to a braking unit (not shown) that brakes the pair of front wheels 16f and rear wheels 16r. Good.
- the vehicle body 14 also includes a pair of side bumpers 44 on both sides in the vehicle width direction.
- the pair of side bumpers 44 extends in the longitudinal direction (vehicle length direction) of the vehicle body 14 between the front wheel 16f and the rear wheel 16r.
- the side surfaces of the pair of side bumpers 44 on the outer side in the vehicle width direction project slightly outward from the wheels 16 .
- the inside of each side bumper 44 is connected to a pair of side frames 26b extending in the vehicle width direction from the main panel 24, and a housing portion frame 26c that supports a battery case 70, which will be described later.
- a rear frame 26 d extending rearward of the seat 18 is connected to the rear of the main panel 24 .
- the rear frame 26d rotatably supports an axle 46 extending in the vehicle width direction.
- a rear wheel 16r is fixed to each of both ends of the axle 46 in the vehicle width direction.
- the rear frame 26 d is provided with a PU 52 (Power Unit) integrally formed with the motor 48 and a power adjustment section 50 that adjusts the power supplied to the motor 48 .
- the PU 52 constitutes a part of the electrical parts of the racing cart 12 and is arranged on the vehicle width direction center line CL behind the vehicle body 14 .
- the upper end of the PU 52 is lower in the vehicle height direction than the upper end 22t of the backrest portion 22, and is fixed to the rear side of the seat 18 (a position overlapping the backrest portion 22 when viewed in the longitudinal direction of the vehicle body 14).
- At least a portion of the PU 52 is provided at a position overlapping the pair of rear wheels 16r when the vehicle body 14 is viewed from the side.
- the PU 52 is provided on the rear side of the pair of rear wheels 16r. 18 (on the front side of the pair of rear wheels 16r). Since at least a part of the PU 52 is fixed to the rear side of the seat 18 (a position overlapping the backrest portion 22 when viewed in the front-rear direction of the vehicle body 14), it is possible to suppress the influence of the running wind from the front. . Therefore, the racing cart 12 can run while suppressing the resistance of the running wind. In addition, since at least a part of the PU 52 is provided at a position overlapping the pair of rear wheels 16r in a side view of the vehicle body 14, a load can be applied to a position near each rear wheel 16r, and each rear wheel It is possible to increase the grip force of 16r. That is, the running stability of the racing cart 12 can be enhanced.
- the motor 48 rotates based on the power supply from the battery 60 which is the power supply, and rotates the axle 46 via the driving force transmission mechanism 54 .
- the motor 48 may be either an AC motor or a DC motor as long as it can output an appropriate rotational driving force that can smoothly rotate the pair of rear wheels 16r.
- the driving force transmission mechanism 54 is composed of a plurality of gears, pulleys, chains, etc. provided between the output shaft of the motor 48 and the axle 46, and transmits the rotational driving force of the motor 48 to the axle 46.
- the drive force transmission mechanism 54 may employ a centrifugal clutch that seamlessly engages the clutch based on the amount of operation of the accelerator pedal 40 .
- the power adjustment unit 50 is provided above the motor 48 .
- the power adjustment unit 50 appropriately adjusts the power of the battery 60 to be supplied to the motor 48 under the control of the ECU 56 .
- the power adjustment unit 50 is configured to convert the DC power of the battery 60 into three-phase AC power and supply the motor 48 with the three-phase AC power.
- the racing cart 12 includes a battery case 70 (battery housing section) that detachably houses the battery 60 .
- the battery cases 70 according to the present embodiment are provided on each side of the seat 18 (two in total).
- the two battery cases 70 are provided at mutually symmetrical positions with respect to the vehicle width direction center line CL of the vehicle body 14 as a base point.
- Each battery case 70 extends from a front end portion 72 (including at least a bottom wall 84, which will be described later, provided at a position opposed to a lid body 78 and/or an opening 80, which will be described later) to a rear end portion 74 (a lid body 78 and/or an opening, which will be described later). 80) is formed into a long square tube shape. Each battery case 70 is fixed to a pair of housing portion frames 26 c that are connected to the main panel 24 at positions adjacent to the sides of the seat 18 .
- the pair of storage unit frames 26c includes a peripheral frame 26c1 surrounding the side periphery of the battery case 70, a plurality of vertical frames 26c2 extending forward and downward from the peripheral frame 26c1, and a plurality of vertical frames 26c2 connected together.
- a plurality of lateral frames 26 c 3 that support the side bumpers 44 are connected to each other to form a basket shape capable of accommodating the front end portions 72 (lower portions) of the battery cases 70 .
- Each battery case 70 inserted into each housing frame 26c through the holding opening assumes an inclined posture according to the shape of each housing frame 26c.
- a lowermost corner portion 72c (see FIG. 2) of the front end portion 72 of each battery case 70 is connected to a predetermined lateral frame 26c3 by appropriate fixing means such as welding.
- a junction box (not shown) for distributing electric power from the battery 60 to the PU 52, the ECU 56, etc. is provided at the connection point between the battery case 70 and the lateral frame 26c3 (or the main panel 24 adjacent to the connection point). Note that the junction box may be provided on the front end portion 72 side inside the battery case 70 .
- Each battery case 70 fixed to the housing portion frame 26c described above overlaps at least a portion of the seat 18 in a side view of the vehicle body 14, and the rear end portion 74 is positioned above the front end portion 72. It is slanted to
- the battery cases 70 installed on both sides of the seat 18 in the vehicle width direction are fixed in the same posture when viewed from the side of the vehicle body 14 . That is, in the racing cart 12, the pair of battery cases 70 are fixed in mutually symmetrical positions and in the same posture with the center line CL in the vehicle width direction as a base point (axis of symmetry). As a result, the center of gravity of each battery 60 can be aligned with the center line CL in the vehicle width direction while the heavy battery 60 is accommodated in each battery case 70 .
- Each battery case 70 is arranged between the seat 18 and the side bumper 44.
- the side bumper 44 protrudes most outward in the vehicle width direction at the position of the battery case 70 (accommodating portion frame 26c).
- a front end portion 72 of each battery case 70 is located behind a front end 18 f of the seat 18 . Thereby, a space for the user U to get on the seat 18 is secured between the front wheel 16f and the side frame 26b. Further, the front end portion 72 is provided forward of the rear wheel 16r in a side view of the vehicle body 14 .
- the lower end (corner portion 72c) of the front end portion 72 of each battery case 70 is positioned lower than the upper portion (specifically, the upper end 17) of the rear wheel 16r. close enough.
- the inclination angle ⁇ between the road surface R and the axis O of each battery case 70 in the insertion/removal direction of the battery 60 is not particularly limited, but is greater than the inclination angle between the road surface R and the backrest portion 22 of the seat 18. It is preferably set small.
- the actual value of the tilt angle ⁇ should be smaller than 90°, preferably within the range of 20° to 50°.
- the inclined side surface 77 on the upper side of the battery case 70 can properly ward off the running wind that hits the racing cart 12 from the front while the racing cart 12 is running.
- the rear end portion 74 of each battery case 70 is positioned behind the seat 18 and above the rear wheel 16r (in the plane of the vehicle body 14) when viewed from the side of the vehicle body 14. As shown in FIGS. It is provided at a position overlapping the rear wheel 16r in view. That is, the rear end portion 74 of each battery case 70 is arranged at a predetermined distance from the seat 18 and the rear wheel 16r.
- Each battery case 70 includes a housing body 76 having a housing space 76a for housing the battery 60, and a lid body 78 rotatably attached to the housing body 76 via a hinge portion 79 at an opening 80, which will be described later.
- An opening 80 communicating with the accommodation space 76a is provided in the upper portion (on the side of the rear end portion 74) of the accommodation body 76 closed by the lid 78. As shown in FIG.
- each battery case 70 is provided so as to be orthogonal to the axis O of the battery case 70 , so that it is slanted to face the rear and upper sides of the vehicle body 14 .
- Each opening 80 is positioned rearward of the seat 18 in a side view of the vehicle body 14, and is provided at a position higher than the upper portion (specifically, the upper end 17) of the rear wheel 16r. is provided at the same height as the upper end 22t of the backrest portion 22 of the seat 18, and at least a portion of the opening 80 is provided above the upper end 22t of the backrest portion 22 of the seat 18.
- the opening 80 is provided at a position higher than the upper portion (specifically, the upper end 17) of the rear wheel 16r, or is provided at the same height as the upper end 22t of the backrest portion 22 of the seat 18, or at least Since a part is provided above the upper end 22t of the backrest portion 22 of the seat 18, the opening 80 can be provided at a height position where the user's back hits when the user U sits on the seat 18. It can be set in a position where the body does not need to bend greatly when storing or removing 60 . It is preferable that the height H of the central position of the opening 80 from the road surface R is, for example, in the range of 50 cm to 100 cm.
- the opening 80 is closed by the lid 78 .
- the containing body 76 and the lid 78 are provided with a lock mechanism 88 on the opposite side of the hinge portion 79 so as to be mutually lockable.
- the lock mechanism 88 prevents the battery 60 accommodated in the accommodation space 76a from being removed by locking the opening 80 in the closed state with the lid 78.
- the battery case 70 may be configured without the lid 78 . This further simplifies the attachment of the battery 60 to the battery case 70 .
- the formation location of the opening 80 corresponds to the rear end portion 74 of the battery case 70 .
- the housing body 76 of the battery case 70 has four side walls 82 connected to each other and a bottom wall 84 connected to the bottom of each side wall 82 to form a housing space 76a.
- the four side walls 82 and the bottom wall 84 define the axis O of the housing space 76a and guide the insertion/removal direction of the battery 60. As shown in FIG. In other words, side wall 82 is provided parallel to the insertion/removal direction of battery 60 .
- the upper side wall 82a and the lower side wall 82b may have a plurality of vent holes 83 communicating with the accommodation space 76a.
- the plurality of ventilation holes 83 can cool the battery 60 with the running wind by taking the running wind into the housing space 76a when the racing cart 12 is running.
- the side wall 82b located on the lower side may be formed to have a thickness greater than that of the other side walls 82 (side wall 82a on the upper side).
- the lower side wall 82b has sufficient rigidity to withstand the load received from the battery 60 when the battery 60 is inserted and removed, and the battery 60 can be guided smoothly.
- a terminal 86 is provided on the surface of the bottom wall 84 on the side of the housing space 76a. When the battery 60 is accommodated, the terminal 86 is in electrical contact with the terminal 68 of the battery 60 and enables power to be output to the electrical components of the racing cart 12 .
- the battery 60 mounted in the battery case 70 is configured as a general-purpose type that can be detachably mounted on various devices.
- the battery 60 has a housing 62 that is generally formed into a prismatic shape, and one axial end of the housing 62 is provided for the user U to hold.
- a handle 64 is provided.
- the battery 60 also includes a plurality of battery cells 66 for storing and discharging electric power inside the housing 62 , and terminals 68 for inputting and outputting electric power at predetermined positions on the outer surface of the housing 62 .
- the terminal 68 is provided, for example, on the end face opposite (or on the same side as) the handle 64 , and contacts the terminal 86 inside the battery case 70 when the battery 60 is housed in the battery case 70 .
- the inner surface of the lid 78 contacts the upper end portion (for example, the handle 64) of the battery 60. contact and press the This maintains good contact between the terminals 68 of the battery 60 and the terminals 86 of the battery case 70 .
- the ECU 56 is, for example, connected to the upper portion of the electric power adjustment section 50 and constitutes part of the electrical section of the racing cart 12 .
- the ECU 56 is configured as a computer having one or more processors, memories, input/output interfaces, electronic circuits, and the like.
- the ECU 56 controls the rotation speed of the motor 48 by acquiring an accelerator operation amount of the accelerator pedal 40 and outputting an appropriate electric power command to the electric power adjustment unit 50 based on the accelerator operation amount.
- the ECU 56 is also configured to appropriately distribute the electric power of each battery 60 housed in a pair of battery cases 70 to the motor 48 via a junction box (not shown). For example, the ECU 56 uses the power of the one battery 60 until the remaining battery level of the one battery 60 becomes equal to or less than a predetermined value, and when the remaining battery level of the one battery 60 becomes equal to or less than the predetermined value, the other battery 60 is controlled to use the power of the battery 60 of .
- the ECU 56 may be configured to use the power of the two batteries 60 substantially equally. For example, when the rotation speed of the motor 48 is low, the power of one battery 60 is used, and when the rotation speed of the motor 48 is high, the power of both batteries 60 is used.
- the running vehicle 10 (racing cart 12) according to the present embodiment is basically configured as described above, and the operation thereof will be described below.
- a user U (or an assistant) of the racing kart 12 stores the battery 60 in each of the pair of battery cases 70 before running. At this time, the user U opens the opening 80 by rotating the lid 78 with respect to the housing main body 76 as shown in FIG. 3A.
- the opening 80 of the battery case 70 is located behind the seat 18 and above the pair of rear wheels 16r. Thereby, the user U can access from the rear side of the vehicle body 14 and easily match the lower portion of the heavy battery 60 with the opening 80 . Further, the user U inserts the battery 60 to the far side of the storage space 76 a by aligning the posture of the battery 60 with the axis O of the battery case 70 . At this time, each side wall 82 of the battery case 70 smoothly guides the insertion of the battery 60 along the axis O, and the lower side wall 82 b receives part of the load from the battery 60 .
- the terminals 86 of the battery case 70 come into contact with the terminals 68 of the battery 60 by inserting the lower portion of the battery 60 to the vicinity of the bottom wall 84 .
- the user U closes the lid 78 and locks the storage main body 76 and the lid 78 with the lock mechanism 88 , thereby preventing the battery 60 from being detached from the battery case 70 .
- the user U sits on the seat 18 and turns on the starter switch, etc., so that the electric power of the battery 60 is supplied to each electrical component and the racing cart 12 is started.
- the racing cart 12 is caused to run.
- the racing cart 12 has the battery cases 70 housing the batteries 60 on both sides of the seat 18 in the vehicle width direction, so that the center of gravity of the batteries 60 as a whole is positioned on the vehicle width direction center line CL.
- the center of gravity of each battery 60 as a whole is located behind the seat 18 in a plan view of the vehicle body 14, the operability of the steering wheel 32 by the user U is improved and high turning performance is obtained.
- each battery 60 can apply a load to a low position of the vehicle body 14 and a position near each rear wheel 16r, thereby increasing the gripping force of each rear wheel 16r.
- the front end portion 72 of each battery case 70 is positioned rearward of the front end 18f of the seat 18, and each battery case 70 is inclined such that the rear end portion 74 is higher than the front end portion 72.
- the racing kart 12 can further improve running stability by properly installing the battery case 70 as described above.
- the racing cart 12 receives running wind from the front.
- Each battery case 70 which is inclined such that the front end 72 is low and the rear end 74 is high, easily parries this running wind rearward. Therefore, the racing cart 12 can run while suppressing the resistance of the running wind.
- the pair of battery cases 70 including the pair of housing portion frames 26c are arranged on the sides and adjacent positions of the seat 18, when the other racing kart 12 collides from the side, the other racing kart 12 can be 12 is prevented from contacting the user U.
- the racing cart 12 can use each battery case 70 as a structure that protects the user U.
- the racing cart 12 may be configured with one battery case 70 on one side of the seat 18 .
- the vehicle body 14 by shifting the seat 18 laterally from the center line CL in the vehicle width direction, the vehicle body 14 has a center of gravity composed of the battery 60 housed in the battery case 70 and the user U seated on the seat 18. It is preferably designed to be positioned on the width direction center line CL.
- the battery case 70 may be installed on the vehicle body 14 so that the height of the rear end portion 74 of the battery case 70 is lower than the upper end 22t of the seat 18. Furthermore, the battery 60 and the battery case 70 are formed smaller than those shown in FIGS. configuration may be used.
- the traveling vehicle 10A (racing cart 12A) may be configured such that at least a portion of the battery case 70A protrudes rearward beyond the rear wheels 16r. Specifically, the rear end portion 74 (lid 78 and opening 80) of the battery case 70A protrudes rearward beyond the rear wheel 16r. Thereby, the insertion/removal of the battery 60 into/from the battery case 70 can be further enhanced.
- the battery 60 does not have to be detachable from the battery housing portion (battery case 70).
- the battery 60 and the battery storage section may be stationary batteries that do not have the terminals 68 and 86, respectively, and are electrically connected from the battery 60 to the electrical section using harnesses or the like.
- One aspect of the present invention includes a vehicle body 14 having a seat 18 on which a user U can sit, and a plurality of wheels 16 provided on the vehicle body 14. At least a portion of the seat surface 20 of the seat 18 has a plurality of heights.
- the vehicle body 14 is provided with a battery housing portion (battery cases 70, 70A) for housing the battery 60 on the side of the seat 18, and the battery housing portion is At least a part of the seat 18 is overlapped with the seat 18 in a side view of the vehicle body 14, and the rear end portion 74 is inclined so that the rear end portion 74 is positioned higher than the front end portion 72.
- the traveling vehicles 10 and 10A are provided with an inclination such that the rear end portion 74 of the battery housing portion (battery case 70 and 70A) is higher than the front end portion 72, thereby The vehicle body 14 can be lowered rather than being arranged.
- the driving vehicles 10 and 10A do not block the user's U forward and side vision, and the center of gravity can be lowered, thereby improving the driving stability.
- the slanted battery compartment effectively reduces the resistance to the running wind from the front. Then, the battery storage section arranged on the side of the seat 18 can protect the user U in the event of a side collision.
- the front end portion 72 of the battery storage portion (battery cases 70, 70A) is located behind the front end 18f of the seat 18. Accordingly, it is possible to prevent the battery storage unit from blocking the side view of the user U.
- the rear end portion 74 of the battery housing portion (battery cases 70 and 70A) is located behind the seat 18 .
- the rear end portion 74 of the battery storage portion provided on the side of the seat 18 is positioned behind the seat 18, so that the traveling vehicle 10, 10A can improve the side visibility of the user U. can be secured.
- the traveling vehicles 10 and 10A can make the length of the vehicle body 14 in the front-rear direction compact, and the load of the battery 60 can be easily applied to the vicinity of the rear wheels 16r. grip) can be increased.
- the battery storage section is provided at the rear side, it becomes easier to ensure the user's U side view.
- the battery housing portion (battery case 70, 70A) has a front end portion 72 located forward of the rear wheel 16r when viewed from the side of the vehicle body, and a rear end portion 74 located at the rear of the vehicle body 14 when viewed from above. It is provided at an overlapping position with respect to the ring 16r. As a result, each battery 60 housed in the battery housing portion applies a load to a low position of the vehicle body 14 and a position near each rear wheel 16r, thereby increasing the grip force of each rear wheel 16r.
- the battery housing portion (battery cases 70, 70A) has a front end portion 72 provided below the upper portion (upper end 17) of the rear wheel 16r.
- the center of gravity of the racing kart 12 can be lowered, and the running stability can be enhanced.
- the battery 60 is detachable from the battery housing portion (battery cases 70 and 70A), and the battery housing portion includes an opening 80 for housing the battery 60 or an opening/closing portion (lid body) capable of opening and closing the opening 80. 78) at the rear end 74 .
- the opening 80 for attaching and detaching the battery 60 can be arranged higher than in the case where the battery accommodating portion is provided horizontally, and the user U can bend down. (Bend at the waist) You can reduce the amount. Therefore, the user U can insert and remove the battery 60 more easily.
- At least part of the opening 80 or at least part of the opening/closing part (lid body 78) is provided at the same height as the upper end 22t of the seat 18 or above the upper end 22t of the seat 18.
- the user U can insert and remove the battery 60 from the battery storage section (battery cases 70 and 70A) without bending over from the standing posture.
- the battery housing portion (battery cases 70, 70A) is provided behind the rear wheels 16r that form part of the plurality of wheels 16. As shown in FIG. Thereby, the user U can easily insert and remove the battery 60 from the rear side of the vehicle body 14 .
- It also has an electrical unit (PU 52 ) to which power is supplied from the battery 60 , and the electrical unit is provided behind the seat 18 and at a position where at least a portion of the vehicle body 14 overlaps when viewed in the front-rear direction.
- PU 52 electrical unit to which power is supplied from the battery 60
- the electrical unit is provided behind the seat 18 and at a position where at least a portion of the vehicle body 14 overlaps when viewed in the front-rear direction.
- the electrical unit (PU52) is provided below the upper end 22t of the seat 18. As a result, the racing kart 12 can travel while further suppressing wind resistance.
- the electrical unit (PU52) is provided at a position where at least a portion of the rear wheel 16r, which constitutes a portion of the plurality of wheels 16, overlaps when the vehicle body 14 is viewed from the side.
- the electrical component can apply a load to a position near each rear wheel 16r, and can increase the gripping force of each rear wheel 16r.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
Description
Claims (12)
- ユーザ(U)が着座可能な座席(18)を有する車体(14)と、前記車体に設けられる複数の車輪(16)と、を備え、前記座席の座面(20)の少なくとも一部の高さが前記複数の車輪の上部よりも低い走行用車両(10、10A)であって、
前記車体は、バッテリ(60)を収容するバッテリ収容部(70、70A)を前記座席の側方に備え、
前記バッテリ収容部は、前記車体の側面視で、前記座席に対して少なくとも一部が重複し、且つ前端部(72)よりも後端部(74)が上方に位置するように傾斜していることを特徴とする走行用車両。 - 請求項1記載の走行用車両において、
前記バッテリ収容部の前記前端部が前記座席の前端(18f)よりも後方に位置することを特徴とする走行用車両。 - 請求項1又は2記載の走行用車両において、
前記バッテリ収容部の前記後端部が前記座席よりも後方に位置することを特徴とする走行用車両。 - 請求項1~3のいずれか1項に記載の走行用車両において、
前記バッテリ収容部の少なくとも一部が、車体14の平面視で、前記複数の車輪の一部を構成する後輪(16r)に対し重複する位置に設けられることを特徴とする走行用車両。 - 請求項4記載の走行用車両において、
前記バッテリ収容部は、前記前端部が、前記車体の側面視で、前記後輪よりも前方に設けられ、前記後端部が、車体14の平面視で、前記後輪に対し重複する位置に設けられることを特徴とする走行用車両。 - 請求項5記載の走行用車両において、
前記バッテリ収容部は、前記前端部が前記後輪の上部よりも下方に設けられることを特徴とする走行用車両。 - 請求項1~6のいずれか1項に記載の走行用車両において、
前記バッテリは、前記バッテリ収容部に対して着脱自在であり、
前記バッテリ収容部は、前記バッテリを収容するための開口(80)又は前記開口を開閉可能な開閉部(78)を前記後端部に有することを特徴とする走行用車両。 - 請求項7記載の走行用車両において、
前記開口の少なくとも一部又は前記開閉部の少なくとも一部が、前記座席の上端(22t)と同じ高さ又は前記座席の上端よりも上方に設けられることを特徴とする走行用車両。 - 請求項7又は8記載の走行用車両において、
前記バッテリ収容部の少なくとも一部は、前記複数の車輪の一部を構成する後輪よりも後方に設けられることを特徴とする走行用車両。 - 請求項1~9のいずれか1項に記載の走行用車両において、
前記バッテリから電力を供給される電装部(52)を有し、
前記電装部は、前記座席の後方且つ前記車体の前後方向視で少なくとも一部が重なる位置に設けられることを特徴とする走行用車両。 - 請求項10記載の走行用車両において、
前記電装部は、前記座席の上端よりも下方に設けられることを特徴とする走行用車両。 - 請求項10又は11記載の走行用車両において、
前記電装部は、前記車体の側面視で、前記複数の車輪の一部を構成する後輪と少なくとも一部が重なる位置に設けられることを特徴とする走行用車両。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2022581048A JPWO2022172325A1 (ja) | 2021-02-09 | 2021-02-09 | |
EP21925579.1A EP4292846A1 (en) | 2021-02-09 | 2021-02-09 | Traveling vehicle |
PCT/JP2021/004774 WO2022172325A1 (ja) | 2021-02-09 | 2021-02-09 | 走行用車両 |
US18/264,462 US20240109455A1 (en) | 2021-02-09 | 2021-02-09 | Traveling vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2021/004774 WO2022172325A1 (ja) | 2021-02-09 | 2021-02-09 | 走行用車両 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022172325A1 true WO2022172325A1 (ja) | 2022-08-18 |
Family
ID=82838442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/004774 WO2022172325A1 (ja) | 2021-02-09 | 2021-02-09 | 走行用車両 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20240109455A1 (ja) |
EP (1) | EP4292846A1 (ja) |
JP (1) | JPWO2022172325A1 (ja) |
WO (1) | WO2022172325A1 (ja) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007060806A (ja) | 2005-08-24 | 2007-03-08 | Mitsuba Corp | 電動レーシングカートの駆動制御装置 |
JP2013017248A (ja) * | 2011-06-30 | 2013-01-24 | Gs Yuasa Corp | 二輪電動車 |
JP2014125094A (ja) * | 2012-12-26 | 2014-07-07 | Honda Motor Co Ltd | バッテリユニット及び車両 |
JP2015091200A (ja) * | 2013-11-06 | 2015-05-11 | ヤマハ発動機株式会社 | 車両及びバッテリパック |
JP2016027776A (ja) * | 2014-03-18 | 2016-02-18 | サーチウェア株式会社 | 車両 |
JP2017132337A (ja) * | 2016-01-27 | 2017-08-03 | トヨタ自動車株式会社 | 燃料電池自動車 |
JP2017137003A (ja) * | 2016-02-04 | 2017-08-10 | 本田技研工業株式会社 | 4輪車両 |
US20200283084A1 (en) * | 2017-11-02 | 2020-09-10 | Piaggio & C. S.P.A. | Electric drive motorcycle |
-
2021
- 2021-02-09 JP JP2022581048A patent/JPWO2022172325A1/ja active Pending
- 2021-02-09 EP EP21925579.1A patent/EP4292846A1/en active Pending
- 2021-02-09 WO PCT/JP2021/004774 patent/WO2022172325A1/ja active Application Filing
- 2021-02-09 US US18/264,462 patent/US20240109455A1/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007060806A (ja) | 2005-08-24 | 2007-03-08 | Mitsuba Corp | 電動レーシングカートの駆動制御装置 |
JP2013017248A (ja) * | 2011-06-30 | 2013-01-24 | Gs Yuasa Corp | 二輪電動車 |
JP2014125094A (ja) * | 2012-12-26 | 2014-07-07 | Honda Motor Co Ltd | バッテリユニット及び車両 |
JP2015091200A (ja) * | 2013-11-06 | 2015-05-11 | ヤマハ発動機株式会社 | 車両及びバッテリパック |
JP2016027776A (ja) * | 2014-03-18 | 2016-02-18 | サーチウェア株式会社 | 車両 |
JP2017132337A (ja) * | 2016-01-27 | 2017-08-03 | トヨタ自動車株式会社 | 燃料電池自動車 |
JP2017137003A (ja) * | 2016-02-04 | 2017-08-10 | 本田技研工業株式会社 | 4輪車両 |
US20200283084A1 (en) * | 2017-11-02 | 2020-09-10 | Piaggio & C. S.P.A. | Electric drive motorcycle |
Also Published As
Publication number | Publication date |
---|---|
JPWO2022172325A1 (ja) | 2022-08-18 |
US20240109455A1 (en) | 2024-04-04 |
EP4292846A1 (en) | 2023-12-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1169910B1 (en) | Electric motor vehicle | |
JP6971386B2 (ja) | 電動車両 | |
JP6950081B2 (ja) | 電動車両 | |
JP2022015496A (ja) | 電動スノーモビル | |
JP2010083371A (ja) | 電気自動二輪車 | |
JP6972321B2 (ja) | 電動車両 | |
JP6971387B2 (ja) | 電動車両 | |
JP7118182B2 (ja) | 鞍乗り型電動車両 | |
WO2022172325A1 (ja) | 走行用車両 | |
WO2022172326A1 (ja) | 走行用車両 | |
WO2022230965A1 (ja) | 車両 | |
JP2014113970A (ja) | 立乗り式電動車両 | |
WO2022191117A1 (ja) | 車両 | |
JP7012833B2 (ja) | 電動車両 | |
JP2019189053A (ja) | 電動車両 | |
JP7012834B2 (ja) | 電動車両 | |
JP2005199878A (ja) | 車両構造 | |
JP2003237380A (ja) | 小型電動車両 | |
WO2024048544A1 (ja) | 車両 | |
JP7068359B2 (ja) | 移動体および電動車両 | |
JP2024067326A (ja) | 車両 | |
JPWO2019207879A1 (ja) | 電動車両 | |
WO2023144997A1 (ja) | 電動車両 | |
JP2664308B2 (ja) | 四輪立ち乗りゴルフカート | |
JP4175769B2 (ja) | ゴルフカート |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21925579 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022581048 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18264462 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2021925579 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2021925579 Country of ref document: EP Effective date: 20230911 |