WO2019194048A1 - Véhicule électrique - Google Patents

Véhicule électrique Download PDF

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Publication number
WO2019194048A1
WO2019194048A1 PCT/JP2019/013232 JP2019013232W WO2019194048A1 WO 2019194048 A1 WO2019194048 A1 WO 2019194048A1 JP 2019013232 W JP2019013232 W JP 2019013232W WO 2019194048 A1 WO2019194048 A1 WO 2019194048A1
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WO
WIPO (PCT)
Prior art keywords
battery
vehicle body
batteries
electrical component
electric
Prior art date
Application number
PCT/JP2019/013232
Other languages
English (en)
Japanese (ja)
Inventor
郁夫 原
田中　健司
威男 沼田
Original Assignee
本田技研工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Priority to CN201980020902.2A priority Critical patent/CN111902337B/zh
Priority to JP2020511719A priority patent/JP6950081B2/ja
Publication of WO2019194048A1 publication Critical patent/WO2019194048A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
    • B62K5/02—Tricycles

Definitions

  • the present invention relates to an electric vehicle.
  • This application claims priority based on Japanese Patent Application No. 2018-071105 filed in Japan on April 2, 2018, the contents of which are incorporated herein by reference.
  • Patent Document 1 discloses an electric vehicle in which a front vehicle body can swing in a roll direction (a rotation direction about an axis facing a vehicle front-rear direction) with respect to a rear vehicle body.
  • This electric vehicle has the following configuration.
  • a trunk 16 is provided at the rear end of the vehicle body frame 1 (front vehicle body, swinging vehicle body).
  • a fixing bracket 3 is provided at a position below the seat 15 of the body frame 1.
  • a movable bracket 5 is supported on the fixed bracket 3 via a swing shaft 4 so as to be rotatable left and right.
  • a power unit P is supported on the movable bracket 5 via a ball joint 6 so as to swing up and down.
  • a battery support frame 9 including an upper support frame 55 and a lower support frame 56 is welded to the movable bracket 5.
  • a front tray 62 and a rear tray 65 are fixed to the upper support frame 55 and the lower support frame 56.
  • a plurality of batteries 10 are placed on the front tray 62 and the rear tray 65.
  • the battery 10 is covered with the battery support frame 9 (upper support frame 55, lower support frame 56, connection frame 57, reinforcing plate 58, front support frame 59, and reinforcing pipes 60, 61). Yes. For this reason, it is difficult to remove the battery 10. Further, a trunk 16 provided at the rear end of the vehicle body frame 1 (front vehicle body, swinging vehicle body) is disposed above the battery 10 so as to be spaced apart. For this reason, when attaching and detaching the battery 10 which is a heavy object, the operation
  • an object of the present invention is to facilitate attachment / detachment of a heavy battery in an electric vehicle.
  • a first aspect of the present invention provides an electric vehicle (1) including an electric motor (30) for driving a vehicle and a battery (100) for supplying electric power to the electric motor (30).
  • a vehicle including an electric motor (30) for driving a vehicle and a battery (100) for supplying electric power to the electric motor (30).
  • , 1 ′, 201, 301 comprising a rear frame (21A) that constitutes the rear part of the vehicle body and extends upward of the rear wheels (4, 4a, 4b), and the rear frame (21A)
  • the electric component storage unit (76) for detachably storing the battery (100) is configured, and a loading platform (75) is configured on the upper surface of the electric component storage unit (76).
  • the electric component storage unit (76) And an opening / closing portion (72, 74b, 78) for opening and closing the battery storage space.
  • the electrical component storage unit (76) stores a charger (125) behind the battery (100).
  • the electrical component storage section (76) is inclined in a direction (C41, C42) in which the battery (100) is inclined with respect to a vertical direction.
  • a battery case (100A) for supporting insertion and removal is provided.
  • the electrical component storage portion (76) avoids the battery (100) and the upper surface of the loading platform (75). The vehicle can be attached / detached from the left / right direction or front direction.
  • the swing arm (40) that supports the rear wheels (4a, 4b) so as to swing up and down, and the rear frame ( 21A) and a rear cushion (28) for connecting the swing arm (40), and the rear cushion (28) overlaps the battery (100) when viewed from the front and rear in the rear of the battery (100). Or on the side of the battery (100) so as to overlap the battery (100) in a side view.
  • the swing arm (40) that supports the rear wheels (4a, 4b) so as to be swingable up and down is provided.
  • the electric motor (30) includes a motor case (43b) for housing the electric motor (30) at a position avoiding the rear wheels (4a, 4b) in a side view.
  • the electric motor (30) is configured such that the swing axis (41) is more than the central portion (40a) in the length direction (C2) of the swing arm (40).
  • the swing shaft (41) is provided adjacent to the motor case (43b).
  • the electric motor (30) is disposed above the swing arm (40).
  • the electrical component (130) housed in the electrical component housing section (76) includes the electric motor (30).
  • the battery (100) includes battery connection terminals (101d, 102d) on one end side in a length direction, and the junction box (123) In the length direction of the battery (100), the battery (100) is disposed closer to the battery connection terminal (101d, 102d) than the center portion (101e, 102e) in the length direction.
  • the rear frame constituting the rear part of the vehicle body is provided with the electrical component storage unit for mounting the heavy battery
  • the loading platform is provided on the upper surface of the electrical component storage unit
  • the electrical component storage unit Has an opening / closing part for opening and closing the battery storage space.
  • the electric vehicle can be made compact by using the upper surface of the electrical component storage section as a loading platform.
  • a charger is arrange
  • the battery which is a high-voltage component and is a heavy object, is disposed relatively near the front and rear center of the entire vehicle body, it is possible to suppress the influence of disturbance from the rear and contribute to mass concentration.
  • the third aspect compared to the case where the battery is inserted and removed in the vertical direction, it is easy to lift the heavy battery, and at least a part of the battery weight can be received in the battery case. The battery can be easily attached and detached.
  • the battery can be attached and detached while avoiding the upper surface of the loading platform, the battery can be detached even when a load is loaded on the loading platform, and convenience can be improved.
  • the battery can be attached and detached while avoiding the upper surface of the loading platform, and convenience can be improved.
  • the rear cushion of the rear wheel suspension device by using the rear cushion of the rear wheel suspension device, it is possible to suppress the influence of disturbance from the rear side or side to the battery, and to improve the battery protection.
  • the electric motor compared with the case where the electric motor is arranged so as to overlap the rear wheel in a side view like an in-wheel motor, the electric motor can be easily accessed from the side of the vehicle, and the electric motor Since the motor case for storing the electric motor is exposed to the side of the vehicle, the assembling property and the maintenance property of the electric motor can be improved.
  • the operativity of a swing arm can be improved by providing the electric motor which is a heavy article in the position close
  • the disturbance from the road surface side with respect to an electric motor and flooding can be suppressed by providing an electric motor in the upper part of a swing arm.
  • the electrical components are concentrated on the rear frame to shorten the harness length between the electrical components and the components do not move relative to each other. Can be suppressed.
  • by arranging the battery and the junction box close to each other the wiring between the battery and the junction box can be further shortened.
  • FIG. 1 It is a perspective view in the state where the rear body cover was removed from the rear body of the third embodiment. It is a front view of the vehicle body rear part when the front vehicle body of the electric vehicle of 3rd embodiment exists in an upright state. It is a front view of the vehicle body rear part when the front vehicle body of the electric vehicle of 3rd embodiment is in a rocking state. It is a left view equivalent to FIG. 1 which shows the modification of this invention.
  • the electric vehicle 1 of the present embodiment supports a front wheel 2 that is a steered wheel on a front vehicle body (vehicle body front structure) 3.
  • the electric vehicle 1 supports a pair of left and right rear wheels 4a and 4b, which are driving wheels, on a rear vehicle body (vehicle body rear structure) 5.
  • the electric vehicle 1 swings the front vehicle body (swing-side vehicle body) 3 on which the occupant gets on a left-right swing (rolling motion) with respect to the rear vehicle body (non-swing-side vehicle body) 5 with the left and right rear wheels 4a, 4b grounded. make it possible.
  • the electric vehicle 1 is configured as a swinging electric tricycle.
  • the front vehicle body 3 includes a bar handle 6 for front wheel steering and a seat 7 for occupant seating.
  • the front vehicle body 3 has a space 8 between the bar handle 6 and the seat 7.
  • the front vehicle body 3 includes a low floor 9 below the straddling space 8.
  • the front vehicle body 3 and the rear vehicle body 5 are connected to each other via a rotation mechanism (rolling joint) 50.
  • reference numeral C1 indicates a rotation axis extending in the vehicle longitudinal direction of the rotation mechanism 50
  • line CL1 indicates the left-right center line of the front vehicle body 3
  • line CL2 indicates the left-right center line of the rear vehicle body 5.
  • the front vehicle body 3 includes a front vehicle body frame 11.
  • the front body frame 11 includes a single front frame 14 that extends downward from the rear side of the head pipe 12 and then curves backward, and a pair of left and right branches that branch from the left and right sides of the curved portion of the front frame 14 and extend rearward.
  • the lower frame 15 and a pair of left and right rear frames 16 extending from the rear end portions of the left and right lower frames 15 to bend obliquely rearward and upward.
  • a rear end portion of the front frame 14 is coupled to an intermediate portion of the lower cross frame 17 that extends between the rear portions of the left and right lower frames 15.
  • a bottom link type front wheel suspension device 13 is supported on the head pipe 12 so as to be steerable.
  • the front wheel 2 is supported at the lower end of the front wheel suspension device 13.
  • a rear lower cross frame 18 is disposed behind the lower cross frame 17 and extends between the lower portions of the left and right rear frames 16.
  • a front structure 51 of the rotation mechanism 50 is fixedly supported on the lower cross frame 17 and the rear lower cross frame 18.
  • the entire front vehicle body 3 including the front vehicle body frame 11 is covered with a front vehicle body cover 60.
  • the front body cover 60 includes a front cover 61 that covers the periphery of the head pipe 12 and the front frame 14 from the front, an inner cover 62 that covers the periphery of the head pipe 12 and the front frame 14 from the rear, and a lower end portion of the inner cover 62.
  • a floor board 63 that continues to the rear of the rear board, a rear inclined board 64 that inclines obliquely upward and rearward behind the floor board 63, and a seat lower cover 65 that extends to the lower side of the rising seat 7 at the left and right inner portions of the rear inclined board 64.
  • Reference numeral 61a in the figure indicates a pair of left and right rearview mirrors supported on both sides of the upper end portion of the front cover 61.
  • the floor board 63 constitutes the low floor 9 together with the left and right lower frames 15 and the like.
  • the rear inclined board 64, together with the left and right rear frames 16, etc., constitutes a rear inclined portion 9a that continues to the rear of the low floor floor 9.
  • a backrest 66 that forms a substantially vertical front surface rises behind the seat 7.
  • the backrest 66 is supported by the upper ends of the left and right rear frames 16.
  • the rear surface side of the backrest 66 constitutes a cargo bed front wall portion 66 b that stands above the front end portion of the cargo bed 75 in the rear vehicle body 5.
  • a wind screen 67 extends above the front cover 61.
  • a roof 68 that curves and extends rearward is connected to the upper end portion of the wind screen 67.
  • the rear end portion of the roof 68 is supported by the upper end portions of the left and right support columns 66a.
  • the rear vehicle body 5 includes a rear vehicle body frame 21 that is independent from the front vehicle body frame 11.
  • the rear vehicle body frame 21 includes a second rear frame 22 that extends obliquely rearward and upward from the upper portion of the rotation mechanism 50, a rear upper frame 23 that curves backward from the upper end of the second rear frame 22, and a rear upper frame 23.
  • a rear upper cross frame 24 coupled to the rear portion and extending in the left-right direction, a middle upper cross frame 24 a coupled to the front portion of the rear upper frame 23 and extending in the left-right direction, and a lower end portion of the second rear frame 22.
  • a second rear lower cross frame 25 extending in the left-right direction, a pair of left and right rear lower side frames 26 extending rearward from the left and right sides of the second rear lower cross frame 25, and diagonally from the rear ends of the left and right rear lower side frames 26
  • a pair of left and right rear side frames 27 extending curvedly upward and rearward.
  • the left and right rear side frames 27 are coupled to the left and right sides of the rear upper cross frame 24.
  • the second rear frame 22 is substantially parallel to the rear frame 16 in a side view.
  • the second rear frame 22 and the rear upper frame 23 are integrally formed with each other, for example.
  • the second rear frame 22 and the rear upper frame 23 are formed of, for example, a single metal member disposed at the left and right center of the rear vehicle body 5.
  • the rear body frame 21 (particularly the second rear frame 22, the rear upper frame 23, the rear upper cross frame 24, and the middle upper cross frame 24a) constitutes a rear frame 21A.
  • the rear frame 21A extends from the rear structure 52 (non-rotating region) of the rotation mechanism 50 toward the upper side of the rear wheels 4a and 4b in a side view.
  • the rear structure 52 of the rotation mechanism 50 is fixedly supported at the lower part of the second rear frame 22.
  • the rear end portion of the rear structure 52 supports the front end portion of the swing unit 40 via a swing shaft (pivot shaft) 41 that extends (extends) in the left-right direction.
  • a swing shaft pivot shaft 41 that extends (extends) in the left-right direction.
  • the lower end of a pair of left and right rear cushions 28 is connected to the outer cylinder 42a of the rear wheel axle 42 provided at the rear end of the swing unit 40 (see FIG. 3).
  • the upper ends of the left and right rear cushions 28 are connected to the left and right sides of the rear upper cross frame 24, respectively.
  • the rear end portion of the swing unit 40 is connected to and supported by the upper rear portion of the rear vehicle body frame 21 via the left and right rear cushions 28.
  • the rear vehicle body 5 includes a rear wheel suspension device (rear suspension) 29 including a swing unit 40, left and right rear cushions 28, and a rear vehicle body frame 21
  • the rear body cover 70 includes a front wall portion 71 that forms an inclined front surface substantially parallel to the second rear frame 22, an upper wall portion 72 that extends substantially horizontally rearward from the upper end portion of the front wall portion 71, and an upper wall portion 72.
  • a rear wall portion 73 extending downward from the rear end portion and a pair of left and right side wall portions 74 extending between the front wall portion 71 and the rear wall portion 73 are provided.
  • the left and right side wall portions 74 are formed with rear fenders 74a that cover the upper sides of the left and right rear wheels 4a and 4b.
  • the upper wall portion 72 constitutes a loading platform 75 on the upper surface of the rear vehicle body 5 (also the upper surface of the storage portion 76).
  • the front wall portion 71 is substantially parallel to the rear inclined portion 9a of the front vehicle body 3.
  • the front wall portion 71 is disposed between the rear inclined portion 9a with a clearance S1 (see FIG. 2) that does not interfere with the rear inclined portion 9a when the front and rear vehicle bodies 3 and 5 are relatively swung.
  • a clearance S1 see FIG. 2
  • the swing unit 40 is disposed between the left and right rear wheels 4a and 4b.
  • the swing unit 40 is disposed so as to extend from the swing shaft 41 to the rear wheel axle 42 in a side view.
  • the swing unit 40 is arranged with the length direction directed in the front-rear direction.
  • the swing unit 40 extends along an axis C2 connecting the swing shaft 41 and the rear wheel axle 42 in a side view.
  • the direction along the axis C2 is referred to as the length direction (arm length direction) C2 of the swing unit 40.
  • the swing unit 40 is configured as a power unit including an electric motor 30 that is a drive source of the electric vehicle 1.
  • the swing unit 40 includes a unit case 43 as a structure (swing arm) that supports the left and right rear wheels 4a and 4b so as to be swingable up and down, an electric motor 30 accommodated in a front portion of the unit case 43, and a unit case 43.
  • a differential mechanism 44 housed in the rear portion and a drive shaft 45 extending from the drive shaft of the electric motor 30 to the input portion of the differential mechanism 44 are provided.
  • the unit case 43 includes a single arm portion 43a extending along the axis C2 between the swing shaft 41 and the rear wheel axle 42 in a side view.
  • the arm portion 43 a includes a motor case 43 b that is bulged up and down with respect to other parts at a part that houses the electric motor 30.
  • a pair of left and right rear wheel axles (output shafts) 42 that respectively support the left and right rear wheels 4a and 4b extend on the left and right sides in the rear part of the swing unit 40.
  • the driving force of the single electric motor 30 is transmitted to the differential mechanism 44 via the drive shaft 45.
  • the driving force transmitted to the differential mechanism 44 is appropriately distributed from the differential mechanism 44 to the left and right rear wheel axles 42 to drive the left and right rear wheels 4a and 4b.
  • Outer cylinders 42 a that respectively accommodate the left and right rear wheel axles 42 extend on the left and right sides of the differential mechanism 44.
  • the rotation mechanism 50 includes a front structure 51 and a rear structure 52 that can rotate relative to each other.
  • a so-called Knighthard mechanism 55 is formed between the front structure 51 and the rear structure 52.
  • the front structure 51 includes a front casing 51 a that is fixedly supported by the front body frame 11.
  • the rear structure 52 includes a rear support shaft 52 a that is fixedly supported by the rear vehicle body frame 21. The front portion of the rear support shaft 52a is inserted into the front casing 51a along the axis C1, and is supported so as to be rotatable around the axis C1.
  • a pivot bracket 52b is integrally coupled to a rear portion of the rear support shaft 52a protruding rearward of the front casing 51a.
  • the pivot bracket 52b supports the front end portion of the swing unit 40 so as to be swingable up and down.
  • a front end portion of a unit case 43 of the swing unit 40 is connected to the pivot bracket 52b through a swing shaft 41 along the left-right direction so as to be swingable up and down.
  • a front lower end portion of the rear vehicle body frame 21 is integrally coupled to the rear support shaft 52a.
  • the rear vehicle body frame 21 and thus the rear vehicle body 5 and the front vehicle body frame 11 and thus the front vehicle body 3 are connected to each other so as to be relatively swingable about the axis C1.
  • a knight heart cam 56 is provided at the front portion of the rear support shaft 52a inserted into the front casing 51a so as to be integrally rotatable.
  • the knight heart cam 56 has a substantially rhombus shape having four concave sides when viewed in the axial direction.
  • a portion of the front casing 51a where the nighthard cam 56 is inserted is provided with a substantially rectangular case portion 57 as viewed in the axial direction.
  • cylindrical night hull rubbers 58 are arranged at four corners of the space in the case portion 57 when viewed in the axial direction. Each night hull rubber 58 is disposed so that the axial direction is substantially parallel to the case portion 57.
  • Each night hull rubber 58 has an axial view of the night hull cam 56 in the upright state A of the front vehicle body 3 (a state in which the left and right center lines CL1 and CL2 of the front and rear vehicle bodies 3 and 5 coincide with each other in the front and rear direction view, see FIG. Four sides are in contact.
  • the turning mechanism 50 includes a Knighthard mechanism (damper mechanism) 55 that applies a non-linear restoring force (damping force) to the relative rotation of the front casing 51a and the rear support shaft 52a.
  • Each night hull rubber 58 has the following effects when the front vehicle body 3 swings from the upright state A and the front casing 51a and the rear support shaft 52a rotate relative to each other.
  • Each knight hull rubber 58 is compressed by the knight hull cam 56 at the four corners of the case portion 57 to generate a non-linear restoring force against the swing of the front vehicle body 3.
  • the electric vehicle 1 includes a parking lock device 90.
  • the parking lock device 90 operates the swing lock mechanism 93 and operates the parking brake (parking lock mechanism 99) to restrict the swing of the front vehicle body 3 and the rotation of the rear wheels 4a and 4b.
  • the parking lock device 90 is provided in, for example, a parking lever 91 (see FIG. 1) disposed near the left and right center of the bar handle 6, a parking cable 92 (see FIG. 7) extending from the parking lever 91, and the rotation mechanism 50.
  • the swing lock mechanism 93 (see FIG. 7) and the parking lock mechanism 99 (see FIG. 2) provided in the swing unit 40 are provided.
  • the parking cable 92 is engaged with each of the rocking lock mechanism 93 and the parking lock mechanism 99.
  • the parking lock device 90 when the parking lever 91 is operated, the swing lock mechanism 93 and the parking lock mechanism 99 are operated via the parking cable 92, and the swing and forward / backward movement of the vehicle body are locked.
  • the parking lever 91 can be operated toward either the locked position or the unlocked position. In the locked position, the swinging of the front vehicle body 3 and the rotation of the rear wheels 4a and 4b are restricted. At the unlock position, the restriction on the swing of the front vehicle body 3 and the rotation of the rear wheels 4a and 4b is released.
  • the parking lever 91 can be operated when a main switch (not shown) of the electric vehicle 1 is on. When the main switch is turned off while the parking lever 91 is operated to the locked position, the parking lever 91 is mechanically locked, for example, and cannot be operated to the unlocked position.
  • the parking lever 91 can be locked at the locked position.
  • the parking lock device 90 can be locked in a locked state in which the swing of the front vehicle body 3 and the rotation of the rear wheels 4a and 4b are restricted.
  • the proximal end of the inner cable 92 a in the parking cable 92 is engaged with the working end of the parking lever 91.
  • the parking cable 92 extends rearward from the working end of the parking lever 91 through the lower part of the vehicle body and brings the tip end side to the side of the rotation mechanism 50.
  • the inner cable 92 a is engaged with the input end of the rocking lock mechanism 93.
  • the parking cable 92 extends further rearward from the side of the rotation mechanism 50 and brings the tip side to the side of the swing unit 40.
  • the inner cable 92 a is engaged with the input end of the parking lock mechanism 99.
  • an L-shaped space in plan view is formed between the front casing 51a and the rear support shaft 52a. This space is formed so as to extend from the side of the front portion of the rear support shaft 52a to the front of the front end portion.
  • a rocking lock mechanism 93 is disposed in this space.
  • a front outer holding portion 51b is provided on the front wall of the front casing 51a on the side of the rear support shaft 52a. The front outer holding portion 51b holds the rear end of the front outer cable 92b on the parking lever 91 side of the parking cable 92.
  • a rear outer holding portion 51c is provided on the rear wall of the front casing 51a on the side of the rear support shaft 52a.
  • the rear outer holding portion 51c holds the front end of the rear outer cable 92c on the parking lock mechanism 99 side of the parking cable 92.
  • An intermediate portion of the inner cable 92a is inserted into the front casing 51a between the front and rear outer holding portions 51b and 51c.
  • one end of the swing arm 94 is engaged with the inner cable 92a.
  • a middle portion in the length direction of the swing arm 94 is swingably supported by a swing shaft 94a supported by the front casing 51a.
  • the other end of the swing arm 94 is connected to the tip of a stopper pole 96 through a chain link 95.
  • the base end portion of the stopper pole 96 is swingably supported by a swing shaft 96a supported by the front casing 51a.
  • the stopper pole 96 extends at the front end side to the front of the front end portion of the rear support shaft 52a.
  • a claw 96b is provided so as to face the front end of the rear support shaft 52a.
  • a stopper plate 97 is provided at the front end of the rear support shaft 52a so as to be integrally rotatable.
  • the stopper plate 97 is provided in a fan shape centered on the axis C1 when viewed in the axial direction.
  • On the outer peripheral portion of the stopper plate 97 a plurality of groove portions 97b that can engage the claw portions 96b of the stopper pole 96 are formed side by side in the circumferential direction about the axis C1.
  • the inner cable 92 a extends to the rear of the front casing 51 a together with the rear outer cable 92 c and reaches the side of the rear portion of the swing unit 40.
  • a parking lock mechanism 99 using a stopper pole and a stopper plate is formed in the same manner as the swing lock mechanism 93.
  • An inner cable 92 a is engaged with the input end of the parking lock mechanism 99.
  • the parking brake is activated in which the rotation of the rear wheels 4a and 4b is restricted, and the longitudinal movement of the electric vehicle 1 is restricted.
  • electric motor 30 is driven by the power of battery 100.
  • the electric motor 30 is driven at a variable speed by, for example, VVVF (variable voltage variable frequency) control.
  • VVVF variable voltage variable frequency
  • the electric motor 30 is controlled to have a continuously variable transmission, but is not limited thereto.
  • the electric motor 30 may be controlled so as to have a stepped transmission.
  • the electric motor 30 is arranged in a so-called vertical position with the drive shaft directed in the vehicle front-rear direction.
  • a line C3 in the figure indicates a drive axis of the electric motor 30.
  • the electric motor 30 (and the motor case 43b) is disposed at a position avoiding the rear wheels 4a and 4b in a side view.
  • the motor case 43b is exposed to the side of the vehicle.
  • the electric motor 30 (and the motor case 43b) is arranged offset to the front of the vehicle with respect to the rear wheels 4a and 4b.
  • the electric motor 30 (and the motor case 43b) is disposed in front of the outer periphery of the rear wheels 4a and 4b in a side view.
  • the electric motor 30 (and the motor case 43b) is disposed in front of the central portion 40a in the length direction C2 of the swing unit 40 (on the swing shaft 41 side).
  • the electric motor 30 is disposed at a position adjacent to the swing axis (pivot axis) 41.
  • the swing shaft 41 is provided adjacent to the front of the motor case 43b.
  • the electric motor 30 makes the drive axis C3 coincide with the axis C2 in a side view.
  • the electric motor 30 is disposed at the same height as the arm portion 43 a of the swing unit 40.
  • the electric motor 30 (and the motor case 43b) is prevented from projecting above and below the swing unit 40, thereby contributing to a reduction in the swing space of the swing unit 40.
  • the ground clearance of the electric motor 30 (and the motor case 43b) is ensured compared to the case where the electric motor 30 (and the motor case 43b) protrudes below the swing unit 40, and disturbance from the vehicle lower side (road surface side). In addition, the flooding from the road surface side is suppressed.
  • the battery 100 is disposed above the swing unit 40.
  • the battery 100 includes a pair of left and right unit batteries 101 and 102 (hereinafter, simply referred to as a battery or a left and right battery).
  • the left and right batteries 101 and 102 are arranged in a V shape when viewed in the front-rear direction.
  • the lower surfaces of the left and right batteries 101 and 102 are arranged in an inverted V shape when viewed in the front-rear direction.
  • a mountain-shaped space is formed below the left and right batteries 101 and 102 as viewed in the front-rear direction. For this reason, the battery 100 is easy to ensure the clearance between the swing unit 40 located at the left and right center of the vehicle body.
  • the electric motor 30 (and the motor case 43b) is disposed above the swing unit 40 (with the drive axis C3 offset above the axis C2 in a side view). May be.
  • the electric motor 30 (and the motor case 43b) may be disposed above the arm portion 43a of the swing unit 40. In this case, the ground clearance of the electric motor 30 (and the motor case 43b) is further ensured, and disturbance from the road surface side and flooding are further suppressed.
  • the electric motor 30 Since the electric motor 30 is disposed so as to avoid the rear wheels 4a and 4b in a side view, the following operation is achieved.
  • the electric motor 30 is easier to access to the electric motor 30 from the side of the vehicle than the arrangement overlapping the rear wheels 4a and 4b in a side view like the in-wheel motor, and improves the assembling property and the maintainability.
  • the in-wheel motor requires an electric motor 30 for each of the left and right rear wheels 4a and 4b.
  • a single electric motor 30 is provided at a position avoiding the rear wheels 4a and 4b in a side view, and the left and right rear wheels 4a and 4b are driven by the electric motor 30 to simplify the rear wheel drive system.
  • the electric motor 30 may be disposed behind the rear wheels 4a and 4b as long as the rear wheels 4a and 4b are disposed in a side view. In the present embodiment, at least a part of the electric motor 30 overlaps with the rear wheels 4a and 4b in a side view (an arrangement in which at least a part of the electric motor 30 is between the left and right rear wheels 4a and 4b). It is not excluded to employ an in-wheel motor for the rear wheels 4a and 4b.
  • a battery 100 as a power source of the electric motor 30 is disposed below the loading platform 75.
  • a junction box 123, a PCU (Power Control Unit) 120, a DC-DC converter 126, and a charger (charger) 125 are arranged as electrical components 130 related to the electric motor 30 and the battery 100.
  • the rear vehicle body 5 supports electrical components 130 such as the battery 100, the junction box 123, the PCU 120, the DC-DC converter 126, and the charger 125 on the rear vehicle body frame 21 that is on the spring of the rear suspension 29.
  • the rear vehicle body 5 utilizes the upper surface of the storage portion 76 that stores the electrical component 130 as a large cargo bed 75.
  • the storage unit 76 may be referred to as a battery storage unit 76 or an electrical component storage unit 76.
  • Various arrangements of the electrical component 130 can be considered. In the present embodiment, the arrangement shown in FIGS. 1 to 5 will be described.
  • the upper wall portion 72 (loading plate member) constituting the loading platform 75 in the rear vehicle body cover 70 is supported by, for example, the rear end portion of the rear upper frame 23 (upper rear end portion of the rear vehicle body frame 21). ing.
  • the upper wall portion 72 is supported at the rear end portion of the rear upper frame 23 so as to be rotatable around a hinge shaft 75a along the left-right direction.
  • the rear end portion of the upper wall portion 72 is supported by the rear end portion of the rear upper frame 23 via a cargo bed hinge 75b having the hinge shaft 75a.
  • the upper wall portion 72 rotates around the hinge shaft 75a and moves up the front portion to stand. At this time, the upper wall portion 72 is in an upright state (indicated by a chain line in the figure) that is erected by moving the front portion upward.
  • the upper surface of the storage portion 76 is closed.
  • the upper surface of the storage portion 76 is opened.
  • the upper wall part 72 is also an opening / closing part that can open and close the upper surface of the storage part 76 (including the battery storage space).
  • the upper wall 72 is not limited to a configuration that opens and closes around a hinge shaft 75a that is disposed on the rear end side of the rear vehicle body 5 and extends in the left-right direction.
  • the upper wall portion 72 may be configured to open and close via a hinge shaft 75a and a cargo bed hinge 75b disposed on the front end side of the rear vehicle body 5.
  • the upper wall portion 72 may be configured to open and close around a hinge shaft (not shown) along the front-rear direction disposed on the left and right end sides of the rear vehicle body 5.
  • the upper wall portion 72 may be configured to be removable with respect to the rear vehicle body frame 21.
  • the upper wall portion 72 may be configured to partially open and close.
  • the upper wall portion 72 is arranged as follows when the storage portion 76 is opened.
  • the upper wall portion 72 is disposed so as to avoid a passage region (region in the direction in which the batteries 101 and 102 are detached) when the batteries 101 and 102 are inserted and removed along the inclination directions C41 and C42 described later.
  • the battery 100 is mounted below the loading platform 75.
  • the battery 100 is composed of a plurality of (for example, two on the left and right) unit batteries 101 and 102.
  • the plurality of unit batteries 101 and 102 (hereinafter also simply referred to as batteries or left and right batteries) have the same configuration.
  • the left and right batteries 101 and 102 are provided symmetrically with respect to the vehicle body left and right center line CL2.
  • the height for lifting the left and right batteries 101 and 102 which are heavy objects, can be reduced. It becomes easy to put on and take off.
  • the upper surface of the battery accommodating space is a large loading platform 75, the convenience of the electric vehicle 1 is improved.
  • the left and right batteries 101 and 102 each have a rectangular column shape (a rectangular parallelepiped shape) extending in the longitudinal direction with a rectangular cross section (for example, a substantially square shape).
  • the left and right batteries 101 and 102 are disposed so as to be inclined in a side view so that the rectangular upper surfaces 101c and 102c face obliquely upward and rearward, respectively.
  • the left and right batteries 101 and 102 are arranged so as to form a V shape when viewed from the normal direction of the rear surface facing diagonally downward and rearward.
  • the left and right batteries 101 and 102 are also inclined with respect to the side surface of the vehicle body perpendicular to the left and right direction.
  • the upper surfaces 101c and 102c are provided with handles for the user to hold.
  • the left and right batteries 101, 102 have their upper surfaces 101c, 102c facing diagonally upward and rearward, further facing outward in the left and right directions.
  • the left and right batteries 101 and 102 are arranged in a standing posture inclined so as to be positioned on the rear side and the left and right outer sides as the upper side respectively.
  • a V-shaped space is formed between the left and right batteries 101 and 102 when viewed from the normal direction.
  • the axes along the longitudinal direction of the left and right batteries 101, 102 are indicated by the lines C41, C42 in FIGS.
  • directions along the axes C41 and C42 are referred to as inclination directions C41 and C42, respectively.
  • the battery 100 generates a predetermined high voltage (48 to 72 V) by appropriately connecting the left and right batteries 101 and 102.
  • Each of the left and right batteries 101 and 102 is composed of, for example, a lithium ion battery as energy storage that can be charged and discharged.
  • the left and right batteries 101 and 102 include a BMU (Battery Managing Unit) (not shown) that monitors charge / discharge status, temperature, and the like.
  • BMU Battery Managing Unit
  • left and right batteries 101 and 102 are connected to a PDU (Power Driver Unit) (not shown) via a junction box (distributor) 123 including a contactor (electromagnetic switch).
  • the PDU constitutes an integrated PCU (Power Control Unit) 120 together with an ECU (Electric Control Unit) (not shown).
  • the electric power from the battery 100 is supplied to the PDU which is a motor driver through a contactor linked with the main switch.
  • the electric power from the battery 100 is converted from direct current to three-phase alternating current by the PDU, and then supplied to the motor 30 that is a three-phase alternating current motor.
  • the electric motor 30 performs a power running operation according to control by the PDU, and causes the electric vehicle 1 to travel.
  • the output voltage from the battery 100 is stepped down via the DC-DC converter 126 and used for charging a 12V sub-battery (not shown).
  • the sub-battery supplies electric power to general electric parts such as a lighting device and control system parts such as an ECU. By mounting the sub-battery, various electromagnetic locks can be operated even when the main battery 100 is removed.
  • the battery 100 is charged by a charger (DC-AC inverter) 125 connected to an external power source while being mounted on the vehicle body.
  • the battery 100 (the left and right batteries 101 and 102) can be charged by a charger outside the vehicle while being removed from the vehicle body.
  • first connection cables 101a and 102a are routed.
  • a second connection cable 123 a is routed between the junction box 123 and the PCU 120.
  • a third connection cable 125 a is routed between the junction box 123 and the charger 125.
  • a fourth connection cable 126 a is routed between the junction box 123 and the DC-DC converter (down regulator) 126.
  • a three-phase cable 80 extends from the PDU, and the three-phase cable 80 is connected to the electric motor 30.
  • a charging cable 125 b is connected to the charger 125. Regardless of whether the charging cable 125b can be attached to or detached from the charger 125, the charging cable 125b may be configured as an external charger.
  • the battery case 100 ⁇ / b> A includes a pair of left and right unit battery cases 103 and 104 (hereinafter, simply referred to as a battery case or a left and right battery case) corresponding to the pair of left and right unit batteries 101 and 102.
  • the left and right batteries 101 and 102 are inserted and removed along the longitudinal direction (inclination directions C41 and C42) from the upper and lower sides and the left and right outer sides with respect to the vertical direction.
  • the left and right battery cases 103 and 104 are opened obliquely upward and rearward and toward the left and right outer sides, respectively.
  • the left and right battery cases 103 and 104 may be integrated with each other or separated.
  • the left and right battery cases 103 and 104 are each provided with a lock mechanism (not shown) that restricts the left and right batteries 101 and 102 inserted into the cases from being detached upward.
  • the left and right batteries 101 and 102 are inserted and removed while sliding obliquely with respect to the vertical direction.
  • a part of the battery weight when the batteries are inserted / removed is supported by the downward wall portions (slope portions) 100B of the battery cases 103, 104. .
  • the battery case 100A only needs to support the left and right batteries 101, 102 so as to be inserted / removed in the inclined directions C41, C42 inclined at least one of the front side and the left side / right side with respect to the vertical direction.
  • the batteries 101 and 102 are inserted / removed along a V-shaped trajectory along the respective longitudinal direction (inclination directions C41 and C42).
  • the batteries 101 and 102 are composed of a single frame member (a second rear frame 22 positioned at the front portion of the rear vehicle body frame 21 and a rear upper frame positioned above the rear vehicle frame frame 21). 23) can be inserted and removed.
  • battery connection terminals 101d and 102d are provided at the lower ends of the left and right batteries 101 and 102, respectively.
  • Case connection terminals 103d and 104d for detachably connecting the battery connection terminals 101d and 102d are provided at the bottom (lower end) of the left and right battery cases 103 and 104, respectively.
  • the battery connection terminals 101d and 102d and the case connection terminals 103d and 104d are connected by storing the left and right batteries 101 and 102 in the battery cases 103 and 104 and operating the lock mechanism in the locked state.
  • First connection cables 101a and 102a extend from the case connection terminals 103d and 104d toward the junction box 123 (see FIG. 6).
  • the operation of the locking mechanism and the insertion and removal of the left and right batteries 101 and 102 are manual, and the left and right batteries 101 and 102 are attached to and detached from the vehicle body without tools.
  • the left and right batteries 101 and 102 are mobile batteries that can be attached to and detached from the vehicle body.
  • the left and right batteries 101 and 102 can be used independently, such as being charged by a charger outside the vehicle, or used as a power source for an external device as a mobile battery.
  • the left and right batteries 101 and 102 can be attached to and detached from the vehicle body in a state where the loading platform 75 is rotated to open the upper surface of the storage portion 76.
  • the left and right batteries 101 and 102 are switched between a detachable state and a non-detachable state with respect to the vehicle body by opening and closing the loading platform 75.
  • left and right rear cushions 28 are arranged behind the left and right batteries 101 and 102.
  • the left and right rear cushions 28 are arranged so that the axial direction (stretching direction) is along the vertical direction.
  • the left and right rear cushions 28 are arranged so as to at least partially overlap the left and right batteries 101 and 102 when viewed in the front-rear direction. Thereby, the influence of the disturbance from the rear on the left and right batteries 101 and 102 is suppressed by the left and right rear cushions 28.
  • the load input to the left and right batteries 101 and 102 at the time of a rear collision is suppressed by the left and right rear cushions 28.
  • the left and right rear cushions 28 may be disposed outside the left and right batteries 101 and 102 in the left and right direction.
  • the left and right rear cushions 28 are arranged so as to at least partially overlap the left and right batteries 101 and 102 when viewed in the left-right direction.
  • the influence of the disturbance from the outer side in the left and right direction on the left and right batteries 101 and 102 is suppressed by the left and right rear cushion 28.
  • load input to the left and right batteries 101, 102 during a fall or a side collision is suppressed by the left and right rear cushions 28.
  • electrical components 130 including left and right batteries 101 and 102, PCU 120, junction box 123, charger 125 and DC-DC converter 126 are mounted on rear vehicle body 5.
  • the electrical component 130 is mounted on a spring of the rear suspension 29 formed in the rear vehicle body 5.
  • the PCU 120 has a flat shape with a reduced thickness.
  • the PCU 120 is disposed, for example, behind the front wall portion 71 of the rear vehicle body cover 70 and inclined substantially parallel to the front wall portion 71.
  • the PCU 120 has a rectangular shape in plan view, and is arranged in a state where the longitudinal direction is inclined substantially parallel to the front wall portion 71.
  • the PCU 120 is disposed adjacent to the right side of the second rear frame 22.
  • a plurality of heat dissipating fins 120a are provided upright on the upper surface facing the front of the PCU 120.
  • a traveling wind inlet 71a formed in the front wall portion 71 of the rear vehicle body cover 70 is disposed in front of the radiating fin 120a.
  • the traveling wind inlet 71a is not limited to the front wall 71 and may be provided on the side wall 74 or the upper wall 72, and may have a wind guide hood.
  • An exhaust port for discharging the traveling wind taken into the rear body cover 70 may be provided at the rear portion of the rear body cover 70.
  • a junction box 123 and a DC-DC converter 126 are arranged on the left side of the PCU 120 (left side of the second rear frame 22).
  • the junction box 123 and the DC-DC converter 126 have a flat shape with reduced vertical thickness.
  • the junction box 123 and the DC-DC converter 126 are disposed behind the front wall portion 71 of the rear vehicle body cover 70 and inclined substantially in parallel with the front wall portion 71, respectively.
  • the junction box 123 and the DC-DC converter 126 are respectively disposed adjacent to the left side of the second rear frame 22.
  • the junction box 123 and the DC-DC converter 126 are arranged one above the other. In the present embodiment, the junction box 123 is disposed below and the DC-DC converter 126 is disposed above.
  • the junction box 123 (at least the terminal block for connecting the first connection cables 101a and 102a) is disposed in the region R4.
  • the region R4 is a region closer to the battery connection terminals 101d and 102d than the center portions 101e and 102e in the length direction of the batteries 101 and 102 in the length direction (longitudinal direction) of the batteries 101 and 102.
  • the region R4 is a region closer to the battery connection terminals 101d and 102d than the following orthogonal surface (virtual surface).
  • the orthogonal plane is a plane that passes through the center portions 101e and 102e in the length direction of the batteries 101 and 102 and is orthogonal to the length direction.
  • the battery 100 is inclined substantially parallel to the rear side frame 27 in a side view.
  • a charger 125 is disposed between the battery 100 and the rear side frame 27 in a side view.
  • the charger 125 has a flat shape with a reduced vertical thickness.
  • the charger 125 is supported, for example, on a support member that extends between the left and right rear side frames 27 in an inclined posture substantially parallel to the rear side frame 27.
  • the charger 125 is arranged near the rear end of the rear vehicle body 5 so that the user can easily access it. Further, the charging work such as drawing out the charging cord from the charger 125 or connecting an external charging cord is facilitated.
  • the charger 125 is arranged in the vicinity of the rear end of the rear vehicle body 5 to enhance heat dissipation during battery charging.
  • the charger 125 is disposed behind the battery 100. For this reason, the influence of the disturbance from the back with respect to the battery 100 (left-right battery 101,102) is suppressed by the charger 125.
  • FIG. For example, a load input to the left and right batteries 101 and 102 at the time of a rear collision is suppressed by the charger 125.
  • PCU 120, junction box 123, and DC-DC converter 126 are, for example, arranged so as to be laterally distributed with respect to vehicle body left-right center line CL2.
  • the charger 125 is disposed, for example, straddling the left and right center line CL2 of the vehicle body.
  • These electrical components 130 are disposed on the inner side in the left-right direction than the outer portion of the rear vehicle body 5 (the left and right outer ends of the left and right rear wheels 4a and 4b). Thereby, the influence by the disturbance from the vehicle outer side with respect to the electrical component 130 is suppressed.
  • the electrical component 130 is disposed above the rear wheel axle 42 and above the left and right rear lower side frames 26 positioned at the lower end of the rear vehicle body frame 21. Thereby, the ground height of the electrical component 130 is ensured, the influence of disturbance from the lower side of the vehicle (road surface side) is suppressed, and the flooding from the road surface side is also suppressed.
  • the electrical components 130 those in the drive system such as the left and right batteries 101, 102, the PCU 120, the junction box 123, and the DC-DC converter 126 are arranged in front of the rear wheel axle 42.
  • the electrical component 130 of the drive system can be easily connected to the electric motor 30 offset to the front of the rear wheels 4a and 4b, and the wiring length can be shortened by the concentrated arrangement on the front side of the rear vehicle body 5.
  • the electrical components 130 are arranged together in the rear vehicle body 5 to suppress the length of the wiring connecting the components, and to suppress the occurrence of wear due to the bending or interference of the wiring due to the relative movement of the components.
  • the electrical component 130 is mounted on the rear vehicle body 5 that is the non-oscillating side vehicle body, it is possible to suppress the weight of the electrical component 130 from affecting the oscillation of the front vehicle body 3 that is the oscillation side vehicle body. The effect on turning performance is suppressed.
  • the left and right batteries 101 and 102 are inserted along the inclined directions C41 and C42 with respect to the left and right battery cases 103 and 104, respectively, with the loading platform 75 rotated to open the upper surface of the storage unit 76. Get rid of.
  • the loading platform 75 opens and closes the upper opening of the storage unit 76 to allow the left and right batteries 101 and 102 to be attached and detached.
  • the batteries 101 and 102 can be easily detached from the large upper opening.
  • the height at which the battery 100 is lifted when the battery 100 is attached or detached can be reduced.
  • the loading platform 75 By allowing the loading platform 75 to lie substantially horizontally and closing the upper surface of the entire storage portion 76, entry of foreign matter, rainwater, or the like into the storage portion 76 from above is suppressed.
  • the loading platform 75 may be locked in conjunction with (or independently of) the main switch.
  • An electrical component storage unit 76 that stores (mounts) the electrical component 130 including the batteries 101 and 102 is configured using the rear frame 21 ⁇ / b> A that forms the loading platform 75. For this reason, compared with the case where the frame of the electrical component storage part 76 and the loading platform 75 is provided individually, the vehicle body configuration can be simplified.
  • the electric vehicle 1 in the above embodiment constitutes the electric motor 30 for running the vehicle, the battery 100 that supplies electric power to the electric motor 30, and the rear part of the vehicle body, above the rear wheels 4a and 4b.
  • the rear frame 21A constitutes an electrical component storage section 76 that stores the battery 100 in a removable manner.
  • a loading platform 75 is formed on the upper surface of the electrical component storage section 76.
  • the electrical component storage part 76 includes an opening / closing part (upper wall part 72) for opening and closing the battery storage space.
  • the rear frame 21A constituting the rear part of the vehicle body is provided with the electrical component storage portion 76 for mounting the heavy battery 100
  • the loading platform 75 is provided on the upper surface of the electrical component storage portion 76
  • the electrical component The storage part 76 is provided with an opening / closing part (upper wall part 72) for opening and closing the battery storage space.
  • the electrical component storage unit 76 opens and closes the battery storage space by an opening / closing unit that uses a part of the loading platform 75 and the like, so that an operation for attaching and detaching the battery 100 while avoiding the loading platform 75 becomes unnecessary. Therefore, the heavy battery 100 can be easily attached and detached. Further, the electric vehicle 1 can be made compact by utilizing the upper surface of the electrical component storage unit 76 as the loading platform 75.
  • the electrical component storage unit 76 stores a charger 125 behind the battery 100.
  • the charger 125 is disposed near the rear end of the entire vehicle body, so that the charger 125 can be easily accessed.
  • the battery 100 which is a high-voltage component and a heavy object, is disposed relatively near the front and rear center of the entire vehicle body, so that the influence of disturbance from the rear can be suppressed and the mass can be concentrated.
  • the electrical component storage section 76 includes a battery case 100A (unit battery cases 103 and 104).
  • the battery case 100A supports the battery 100 (unit batteries 101 and 102) so as to be inserted and removed in the inclined directions C41 and C42 inclined with respect to the vertical direction. According to this configuration, it is easier to lift the heavy batteries 101 and 102 than when the batteries 101 and 102 are inserted and removed in the vertical direction, and at least a part of the battery weight is received by the battery cases 103 and 104. Therefore, the attachment / detachment work of the batteries 101 and 102 can be facilitated.
  • the electric vehicle 1 includes a swing unit 40 that supports the rear wheels 4a and 4b so as to swing up and down, and a rear cushion 28 that connects the rear frame 21A and the swing unit 40.
  • the rear cushion 28 is at least partially overlapped with the battery 100 when viewed from the back and forth in the rear of the battery 100, or at least partially overlapped with the battery 100 when viewed from the side at the side of the battery 100. Has been placed. According to this configuration, by using the rear cushion 28 of the rear wheel suspension device 29, it is possible to suppress the influence of a disturbance on the battery 100 from the rear or side, and to improve the protection of the battery 100.
  • the electric vehicle 1 includes a swing unit 40 that supports the rear wheels 4a and 4b so as to swing up and down.
  • the swing unit 40 includes a motor case 43b that houses the electric motor 30 at a position avoiding the rear wheels 4a and 4b in a side view.
  • the motor case 43b is exposed to the side of the vehicle. According to this structure, compared with the case where the electric motor 30 is arranged so as to overlap the rear wheels 4a and 4b in a side view like an in-wheel motor, the access to the electric motor 30 from the side of the vehicle is facilitated. And since the motor case 43b which accommodates the electric motor 30 is exposed and provided in the vehicle side, the assembly
  • the electric motor 30 is disposed closer to the swing shaft 41 than the central portion 40 a in the length direction C ⁇ b> 2 of the swing unit 40.
  • the swing shaft 41 is provided adjacent to the motor case 43b. According to this configuration, the operability of the swing unit 40 can be improved by providing the heavy electric motor 30 at a position near the swing shaft 41 in the swing unit 40.
  • the electric motor 30 may be disposed above the swing unit 40. According to this configuration, by providing the electric motor 30 on the upper portion of the swing unit 40, it is possible to suppress disturbance and flooding from the road surface side with respect to the electric motor 30.
  • the electrical component 130 includes a power control unit 120 that controls the electric motor 30, a down regulator 126 that steps down the output voltage from the battery 100, the battery 100, the power control unit 120, and a down And a junction box 123 to which the regulator 126 is connected.
  • the electrical components 130 are concentrated on the rear frame 21A, thereby shortening the harness length between the electrical components 130 and preventing the components from moving relative to each other. Can be suppressed.
  • the battery 100 (batteries 101 and 102) includes battery connection terminals 101d and 102d on one end side in the length direction.
  • the junction box 123 is arranged on the battery connection terminals 101d and 102d side in the length direction of the battery 100 (batteries 101 and 102) with respect to the center portions 101e and 102e in the length direction. According to this configuration, by arranging the battery 100 and the junction box 123 close to each other, the wiring between the battery 100 and the junction box 123 can be further shortened.
  • the batteries 101 and 102 are horizontally arranged with the length direction (longitudinal direction) of the batteries 101 and 102 in the horizontal direction with respect to the first embodiment, and the batteries 101 and 102 are stacked in two upper and lower stages. It is particularly different in the arrangement.
  • the other components that are the same as those in the above embodiment are given the same reference numerals, and detailed description thereof is omitted.
  • the electric vehicle 201 of the present embodiment is configured as a swinging electric tricycle similar to the first embodiment. Therefore, detailed descriptions of the front vehicle body 3, the rear vehicle body 5, the swing unit 40, the rotation mechanism 50, and the parking lock device 90 are omitted. Further, detailed explanation of the arrangement of the control system and the rear cushion is also omitted.
  • a battery 100 as a power source of the electric motor 30 is disposed below the loading platform 75.
  • a junction box 123, a PCU (Power Control Unit) 120, a DC-DC converter 126, and a charger (charger) 125 are arranged as electrical components 130 related to the electric motor 30 and the battery 100.
  • the rear vehicle body 5 supports electrical components 130 such as the battery 100, the junction box 123, the PCU 120, the DC-DC converter 126, and the charger 125 on the rear vehicle body frame 21 that is on the spring of the rear suspension 29.
  • the rear vehicle body 5 utilizes the upper surface of the storage portion 76 that stores the electrical component 130 as a large cargo bed 75.
  • the left side wall portion 74 of the rear vehicle body cover 70 is disposed so as to face one end surface of the upper and lower batteries 101, 102 in the length direction (upper surfaces 101 c, 102 c located at the left end).
  • a region of the left side wall portion 74 that faces one end face of the upper and lower batteries 101 and 102 constitutes a lid member 74 b that can be attached to and detached from the remaining portion (cover body) of the rear vehicle body cover 70.
  • the lid member 74b is brought into a detached state in which the lid member 74b is detached from the cover main body by removing a locking claw (not shown) or the like from an attached state integrally attached to the cover main body.
  • the lid member 74b When the lid member 74b is in the attached state, the left side surface of the storage portion 76 is closed. When the lid member 74b is removed, the left side surface of the storage portion 76 is opened.
  • the lid member 74b is an opening / closing part that can open and close the left side surface of the storage part 76 (including the battery storage space).
  • the lid member 74b is an opening / closing part capable of opening and closing the side surface of the storage part 76 (including the battery storage space).
  • the lid member 74b may be supported by the cover body or the rear vehicle body frame 21 via a hinge or the like.
  • the lid member 74b opens the storage portion 76, the batteries 101 and 102 are inserted / removed along the respective length directions (vehicle body left-right direction).
  • the area in the direction in which the batteries 101 and 102 are detached is provided to avoid the frame members (second rear frame 22, rear upper frame 23, rear lower side frame 26, rear side frame 27) of the rear vehicle body frame 21.
  • the battery 100 is mounted below the loading platform 75.
  • the battery 100 is composed of a plurality of (for example, two upper and lower) unit batteries 101 and 102.
  • the plurality of unit batteries 101 and 102 have the same configuration.
  • the height for lifting the upper and lower batteries 101 and 102, which are heavy objects, can be reduced. It becomes easy to put on and take off.
  • the upper surface of the battery accommodating space is a large cargo bed 75, the convenience of the electric vehicle 201 is improved.
  • the upper and lower batteries 101 and 102 each have a rectangular column shape (a rectangular parallelepiped shape) extending in the longitudinal direction with a rectangular cross section (for example, a substantially square shape).
  • the upper and lower batteries 101, 102 are arranged in a horizontal posture with the rectangular upper surfaces 101c, 102c facing leftward.
  • the upper and lower batteries 101 and 102 are disposed so as to be inclined so that the front and rear sides of the upper surfaces 101 c and 102 c are substantially parallel to the second rear frame 22 in a side view.
  • the upper and lower batteries 101 and 102 are arranged such that the upper battery 101 is shifted rearward with respect to the lower battery 102.
  • the axes along the longitudinal direction of the upper and lower batteries 101 and 102 are indicated by the lines C41 and C42 in FIGS.
  • the upper and lower batteries 101 and 102 have their axes C41 and C42 aligned in the left-right direction of the vehicle body.
  • the battery 100 generates a predetermined high voltage (48 to 72 V) by appropriately connecting the upper and lower batteries 101 and 102.
  • the upper and lower batteries 101 and 102 are each constituted by, for example, a lithium ion battery as energy storage that can be charged and discharged.
  • the upper and lower batteries 101 and 102 have a BMU (BatteryatterManaging ⁇ Unit) (not shown) that monitors charge / discharge status, temperature, and the like.
  • BMU Battery Management ⁇ Unit
  • the battery case 100A includes upper and lower battery cases 103 and 104 corresponding to the upper and lower batteries 101 and 102, respectively.
  • the upper and lower batteries 101 and 102 are inserted into and removed from the upper and lower battery cases 103 and 104, respectively, along the longitudinal direction facing the left and right direction.
  • the upper and lower battery cases 103 and 104 are open toward the left (one side on the left and right), respectively.
  • the left and right battery cases 103 and 104 may be integrated with each other or separated.
  • the upper and lower battery cases 103 and 104 are each provided with a lock mechanism (not shown) that regulates the left and right removal of the upper and lower batteries 101 and 102 inserted into the cases.
  • the upper and lower batteries 101 and 102 are inserted and removed while sliding substantially horizontally with respect to the battery cases 103 and 104, respectively.
  • the upper and lower batteries 101, 102 are inserted / removed substantially horizontally with respect to the battery cases 103, 104, so that the battery weight when the batteries are inserted / removed is supported by the wall portions of the battery cases 103, 104. Thereby, it becomes easy to insert and remove the upper and lower batteries 101 and 102.
  • battery connection terminals 101d and 102d are provided at the right ends of the upper and lower batteries 101 and 102, respectively.
  • Case connection terminals 103d and 104d for detachably connecting the battery connection terminals 101d and 102d are provided at the bottom (right end) of the upper and lower battery cases 103 and 104.
  • the battery connection terminals 101d and 102d and the case connection terminals 103d and 104d are connected by storing the upper and lower batteries 101 and 102 in the battery cases 103 and 104 and operating the lock mechanism in the locked state.
  • First connection cables 101a and 102a extend from the case connection terminals 103d and 104d toward the junction box 123 (see FIG. 6).
  • the operation of the locking mechanism and the insertion and removal of the upper and lower batteries 101 and 102 are manual, and the upper and lower batteries 101 and 102 are attached to and detached from the vehicle body without tools.
  • the upper and lower batteries 101 and 102 are mobile batteries that can be attached to and detached from the vehicle body.
  • the upper and lower batteries 101 and 102 can be used independently, such as being charged by a charger outside the vehicle or being used as a power source for an external device as a mobile battery.
  • the upper and lower batteries 101 and 102 can be attached to and detached from the vehicle body by removing the lid member 74b and forming an opening 74c in the left side wall 74 through which the batteries 101 and 102 can be inserted and removed.
  • the upper and lower batteries 101 and 102 switch between a detachable state and a non-detachable state with respect to the vehicle body by opening and closing the opening 74c of the left side wall 74 by attaching and detaching the lid member 74b.
  • electrical components 130 including upper and lower batteries 101 and 102, PCU 120, junction box 123, charger 125 and DC-DC converter 126 are mounted on rear vehicle body 5.
  • the electrical component 130 is mounted on a spring of the rear suspension 29 formed in the rear vehicle body 5.
  • the PCU 120 is flat with a reduced thickness.
  • the PCU 120 is disposed, for example, behind the front wall portion 71 of the rear vehicle body cover 70 and inclined substantially parallel to the front wall portion 71.
  • the PCU 120 has a rectangular shape in plan view, and is arranged in a state where the longitudinal direction is inclined substantially parallel to the front wall portion 71.
  • the PCU 120 is disposed adjacent to the left side of the second rear frame 22.
  • a plurality of heat dissipating fins 120a are provided upright on the upper surface facing the front of the PCU 120.
  • a traveling wind inlet 71a formed in the front wall portion 71 of the rear vehicle body cover 70 is disposed in front of the radiating fin 120a.
  • the traveling wind inlet 71a is not limited to the front wall 71 and may be provided on the side wall 74 or the upper wall 72, and may have a wind guide hood.
  • An exhaust port for discharging the traveling wind taken into the rear body cover 70 may be provided at the rear portion of the rear body cover 70.
  • a junction box 123 and a DC-DC converter 126 are arranged on the right side of the PCU 120 (right side of the second rear frame 22).
  • the junction box 123 and the DC-DC converter 126 have a flat shape with reduced vertical thickness.
  • the junction box 123 and the DC-DC converter 126 are disposed behind the front wall portion 71 of the rear vehicle body cover 70 and inclined substantially in parallel with the front wall portion 71, respectively.
  • the junction box 123 and the DC-DC converter 126 are respectively disposed adjacent to the right side of the second rear frame 22.
  • the junction box 123 and the DC-DC converter 126 are arranged one above the other. In the present embodiment, the junction box 123 is disposed below and the DC-DC converter 126 is disposed above.
  • the region R4 is a region closer to the battery connection terminals 101d and 102d than the center portions 101e and 102e in the length direction of the batteries 101 and 102 in the length direction (longitudinal direction) of the batteries 101 and 102.
  • the region R4 is a region closer to the battery connection terminals 101d and 102d than the following orthogonal surface (virtual surface).
  • the orthogonal plane is a plane that passes through the center portions 101e and 102e in the length direction of the batteries 101 and 102 and is orthogonal to the length direction.
  • the center portions 101e and 102e in the length direction of the batteries 101 and 102 are on the left and right center line CL2 of the rear vehicle body 5 when viewed in the front-rear direction. Accordingly, the region R4 is a region on the right side of the left-right center line CL2.
  • a charger 125 is disposed behind the battery 100.
  • the charger 125 has a flat shape with a reduced vertical thickness.
  • the charger 125 is supported, for example, on a support member that extends between the left and right rear side frames 27 in an inclined posture substantially parallel to the rear side frame 27.
  • the charger 125 is arranged near the rear end of the rear vehicle body 5 so that the user can easily access it. Further, the charging work such as drawing out the charging cord from the charger 125 or connecting an external charging cord is facilitated.
  • the charger 125 is arranged in the vicinity of the rear end of the rear vehicle body 5 to enhance heat dissipation during battery charging.
  • the charger 125 is disposed behind the battery 100. For this reason, the influence of the disturbance from the back with respect to the battery 100 (upper and lower batteries 101 and 102) is suppressed by the charger 125. For example, the load input to the upper and lower batteries 101 and 102 at the time of a rear collision is suppressed by the charger 125.
  • PCU 120, junction box 123, and DC-DC converter 126 are arranged, for example, to the left and right across vehicle body left-right center line CL2.
  • the charger 125 is disposed, for example, straddling the left and right center line CL2 of the vehicle body.
  • These electrical components 130 are disposed on the inner side in the left-right direction than the outer portion of the rear vehicle body 5 (the left and right outer ends of the left and right rear wheels 4a and 4b). Thereby, the influence by the disturbance from the vehicle outer side with respect to the electrical component 130 is suppressed.
  • the electrical component 130 is disposed above the rear wheel axle 42 and above the left and right rear lower side frames 26 positioned at the lower end of the rear vehicle body frame 21. Thereby, the ground height of the electrical component 130 is ensured, the influence of disturbance from the lower side of the vehicle (road surface side) is suppressed, and the flooding from the road surface side is also suppressed.
  • the electrical components 130 those in the drive system such as the upper and lower batteries 101, 102, the PCU 120, the junction box 123, and the DC-DC converter 126 are arranged in front of the rear wheel axle 42.
  • the electrical component 130 of the drive system can be easily connected to the electric motor 30 offset to the front of the rear wheels 4a and 4b, and the wiring length can be shortened by the concentrated arrangement on the front side of the rear vehicle body 5.
  • the electrical components 130 are arranged together in the rear vehicle body 5 to suppress the length of the wiring connecting the components, and to suppress the occurrence of wear due to the bending or interference of the wiring due to the relative movement of the components.
  • the electrical component 130 Since the electrical component 130 is mounted on the rear vehicle body 5 that is the non-oscillating side vehicle body, the weight of the electrical component 130 is suppressed from affecting the oscillation of the front vehicle body 3 that is the oscillation side vehicle body. The effect on turning performance is suppressed.
  • the upper and lower batteries 101, 102 have a lid member 74 b removed and an opening 74 c into which the batteries 101, 102 can be inserted / removed is formed in the left wall 74, respectively. Is inserted and removed.
  • the upper and lower batteries 101 and 102 are inserted and removed while sliding substantially horizontally with respect to the battery cases 103 and 104, respectively. Thereby, the battery weight at the time of battery insertion / removal is supported by the downward wall part of battery case 103,104.
  • the storage portion 76 below the loading platform 75, the height at which the battery 100 is lifted when the battery 100 is attached or detached can be reduced.
  • the storage unit 76 allows the battery 100 to be attached and detached from the side of the vehicle while avoiding the upper surface of the loading platform 75. As a result, the battery 100 can be detached even when a load is loaded on the loading platform 75, and convenience is improved.
  • the accommodating part 76 attaches the cover member 74b, and obstruct
  • the lid member 74b may be lockable in conjunction with (or independently of) the main switch.
  • An electrical component storage unit 76 that stores (mounts) the electrical component 130 including the batteries 101 and 102 is configured using the rear frame 21 ⁇ / b> A that forms the loading platform 75. For this reason, compared with the case where the frame of the electrical component storage part 76 and the loading platform 75 is provided individually, the vehicle body configuration can be simplified.
  • the electric motor 30 for running the vehicle, the battery 100 that supplies electric power to the electric motor 30, and the rear part of the vehicle body are configured, and the rear wheels 4a and 4b And a rear frame 21A extending upward.
  • the rear frame 21A constitutes an electrical component storage section 76 that stores the battery 100 in a removable manner.
  • a loading platform 75 is formed on the upper surface of the electrical component storage section 76.
  • the electrical component storage part 76 includes an opening / closing part (lid member 74b) for opening and closing the battery storage space.
  • the rear frame 21A constituting the rear part of the vehicle body is provided with the electrical component storage portion 76 for mounting the heavy battery 100
  • the loading platform 75 is provided on the upper surface of the electrical component storage portion 76
  • the electrical component The storage part 76 is provided with an opening / closing part (lid member 74b) for opening and closing the battery storage space.
  • the electrical component storage unit 76 opens and closes the battery storage space by an opening / closing unit that uses a part of the loading platform 75 and the like, so that an operation for attaching and detaching the battery 100 while avoiding the loading platform 75 becomes unnecessary. Therefore, the heavy battery 100 can be easily attached and detached. Further, the electric vehicle 201 can be made compact by utilizing the upper surface of the electrical component storage unit 76 as the loading platform 75.
  • the electrical component storage unit 76 allows the battery 100 to be detached from the side of the vehicle while avoiding the upper surface of the loading platform 75. According to this configuration, since the battery 100 can be attached and detached while avoiding the upper surface of the loading platform 75, the battery 100 can be detached even when a load is loaded on the loading platform 75, and convenience can be improved.
  • FIGS. 16 to 22 a third embodiment of the present invention will be described with reference to FIGS. 16 to 22 with the aid of FIGS.
  • This embodiment is particularly different from the first embodiment in that the left and right batteries 101 and 102 are tilted forward and arranged in an upright posture so as to be positioned on the front side and on the left and right outside as the upper side.
  • the other components that are the same as those in the above embodiment are given the same reference numerals, and detailed description thereof is omitted.
  • the electric vehicle 301 of the present embodiment is configured as a swinging electric tricycle similar to the first embodiment. Therefore, detailed descriptions of the front vehicle body 3, the rear vehicle body 5, the swing unit 40, the rotation mechanism 50, and the parking lock device 90 are omitted. Further, detailed explanation of the arrangement of the control system and the rear cushion is also omitted.
  • a battery 100 as a power source of the electric motor 30 is disposed below the loading platform 75.
  • a junction box 123, a PCU (Power Control Unit) 120, a DC-DC converter 126, and a charger (charger) 125 are arranged as electrical components 130 related to the electric motor 30 and the battery 100.
  • the rear vehicle body 5 supports electrical components 130 such as the battery 100, the junction box 123, the PCU 120, the DC-DC converter 126, and the charger 125 on the rear vehicle body frame 21 that is on the spring of the rear suspension 29.
  • the rear vehicle body 5 utilizes the upper surface of the storage portion 76 that stores the electrical component 130 as a large cargo bed 75.
  • the battery 100 is mounted below the loading platform 75.
  • the battery 100 is composed of a plurality of (for example, two on the left and right) unit batteries 101 and 102.
  • the plurality of unit batteries 101 and 102 have the same configuration.
  • the left and right batteries 101 and 102 are provided symmetrically with respect to the vehicle body left and right center line CL2.
  • the height for lifting the left and right batteries 101 and 102, which are heavy objects can be reduced. It becomes easy to put on and take off.
  • the upper surface of the battery accommodating space is a large cargo bed 75, the convenience of the electric vehicle 301 is improved.
  • the left and right batteries 101 and 102 each have a rectangular column shape (a rectangular parallelepiped shape) extending in the longitudinal direction with a rectangular cross section (for example, a substantially square shape).
  • the left and right batteries 101 and 102 are disposed so as to be inclined in a side view so that the rectangular upper surfaces 101c and 102c face obliquely upward and forward, respectively.
  • the left and right batteries 101 and 102 are arranged so as to form a V shape when viewed from the normal direction of the rear surface facing diagonally upward and rearward.
  • the left and right batteries 101 and 102 are also inclined with respect to the side surface of the vehicle body perpendicular to the left and right direction.
  • the left and right batteries 101, 102 have their upper surfaces 101c, 102c facing diagonally upward and forward facing further outward.
  • the left and right batteries 101 and 102 are arranged in a standing posture inclined so as to be positioned on the front side and on the left and right outer sides as the upper side respectively.
  • a V-shaped space is formed between the left and right batteries 101 and 102 when viewed from the normal direction.
  • the axes along the longitudinal direction of the left and right batteries 101, 102 are indicated by the middle lines C41, C42 in FIGS.
  • directions along the axes C41 and C42 are referred to as inclination directions C41 and C42, respectively.
  • the battery 100 generates a predetermined high voltage (48 to 72 V) by appropriately connecting the left and right batteries 101 and 102.
  • Each of the left and right batteries 101 and 102 is composed of, for example, a lithium ion battery as energy storage that can be charged and discharged.
  • the left and right batteries 101 and 102 include a BMU (Battery Managing Unit) (not shown) that monitors charge / discharge status, temperature, and the like.
  • BMU Battery Managing Unit
  • the battery case 100A includes left and right battery cases 103 and 104 corresponding to the left and right batteries 101 and 102, respectively.
  • the left and right batteries 101, 102 are inserted into and removed from the left and right battery cases 103, 104 along the longitudinal direction (inclination directions C 41, C 42) from the diagonally upper front and the left and right outer sides.
  • the left and right battery cases 103 and 104 are opened obliquely upward and forward and toward the left and right outer sides, respectively.
  • the left and right battery cases 103 and 104 may be integrated with each other or separated.
  • the left and right battery cases 103 and 104 are each provided with a lock mechanism (not shown) that restricts the left and right batteries 101 and 102 inserted into the cases from being detached upward.
  • the left and right batteries 101 and 102 are inserted and removed while sliding obliquely with respect to the vertical direction.
  • a part of the battery weight when the batteries are inserted / removed is supported by the downward wall portions (slope portions) 100B of the battery cases 103, 104. . Thereby, it becomes easy to insert and remove the left and right batteries 101 and 102.
  • the batteries 101 and 102 are inserted / removed along a V-shaped trajectory along the respective longitudinal direction (inclination directions C41 and C42).
  • the batteries 101 and 102 are composed of a single frame member (a second rear frame 22 positioned at the front portion of the rear vehicle body frame 21 and a rear upper frame positioned above the rear vehicle frame frame 21). 23) can be inserted and removed.
  • battery connection terminals 101d and 102d are provided at the lower ends of the left and right batteries 101 and 102, respectively.
  • Case connection terminals 103d and 104d for detachably connecting the battery connection terminals 101d and 102d are provided at the bottom (lower end) of the left and right battery cases 103 and 104, respectively.
  • the battery connection terminals 101d and 102d and the case connection terminals 103d and 104d are connected by storing the left and right batteries 101 and 102 in the battery cases 103 and 104 and operating the lock mechanism in the locked state.
  • First connection cables 101a and 102a extend from the case connection terminals 103d and 104d toward the junction box 123 (see FIG. 6).
  • the operation of the locking mechanism and the insertion and removal of the left and right batteries 101 and 102 are manual, and the left and right batteries 101 and 102 are attached to and detached from the vehicle body without tools.
  • the left and right batteries 101 and 102 are mobile batteries that can be attached to and detached from the vehicle body.
  • the left and right batteries 101 and 102 can be used independently, such as being charged by a charger outside the vehicle, or used as a power source for an external device as a mobile battery.
  • the left and right batteries 101 and 102 can be attached to and detached from the vehicle body while the front vehicle body 3 is swung with respect to the rear vehicle body 5.
  • the left and right batteries 101 and 102 switch between a detachable state and a non-detachable state depending on whether or not the front vehicle body 3 is in a swinging state.
  • electrical components 130 including left and right batteries 101 and 102, PCU 120, junction box 123, charger 125 and DC-DC converter 126 are mounted on rear vehicle body 5.
  • the electrical component 130 is mounted on a spring of the rear suspension 29 formed in the rear vehicle body 5.
  • the PCU 120 is flat with a reduced thickness.
  • the PCU 120 is disposed, for example, behind the front wall portion 71 of the rear vehicle body cover 70 and inclined substantially parallel to the front wall portion 71.
  • the PCU 120 has a rectangular shape in plan view, and is arranged with its longitudinal direction facing the left-right direction.
  • a plurality of heat dissipating fins 120a are provided upright on the upper surface facing the front of the PCU 120.
  • a traveling wind inlet 71a formed in the front wall portion 71 of the rear vehicle body cover 70 is disposed in front of the radiating fin 120a. Thereby, the PCU 120 is effectively cooled by the traveling wind taken from the traveling wind intake 71a, and the other electrical components 130 are also cooled together.
  • the traveling wind inlet 71a is not limited to the front wall 71 and may be provided on the side wall 74 or the upper wall 72, and may have a wind guide hood.
  • An exhaust port for discharging the traveling wind taken into the rear body cover 70 may be provided at the rear portion of the rear body cover 70.
  • a junction box 123 and a DC-DC converter 126 are arranged in a space surrounded by the PCU 120, the battery 100, and the rear lower side frame 26 in a side view.
  • the junction box 123 and the DC-DC converter 126 each have a flat shape with a reduced vertical thickness, and are supported substantially horizontally on a support member that extends between the left and right rear lower side frames 26, for example.
  • At least a part of the junction box 123 (at least the terminal block to which the first connection cables 101 a and 102 a are connected) is the center in the length direction of the batteries 101 and 102 in the length direction of the batteries 101 and 102.
  • at least a part of the junction box 123 passes through the center portions 101e and 102e in the length direction of the batteries 101 and 102 and is closer to the battery connection terminals 101d and 102d than the orthogonal plane (virtual plane) orthogonal to the length direction.
  • the orthogonal plane virtual plane
  • a charger 125 is disposed in a space surrounded by battery 100, rear upper frame 23, and rear side frame 27 in a side view.
  • the charger 125 has a flat shape with a reduced vertical thickness.
  • the charger 125 is supported, for example, on a support member that extends between the left and right rear side frames 27 in an inclined posture substantially parallel to the rear side frame 27.
  • the charger 125 is arranged near the rear end of the rear vehicle body 5 so that the user can easily access it. Further, the charging work such as drawing out the charging cord from the charger 125 or connecting an external charging cord is facilitated.
  • the charger 125 is arranged in the vicinity of the rear end of the rear vehicle body 5 to enhance heat dissipation during battery charging.
  • the charger 125 is disposed behind the battery 100. For this reason, the influence of the disturbance from the back with respect to the battery 100 (left-right battery 101,102) is suppressed by the charger 125.
  • FIG. For example, a load input to the left and right batteries 101 and 102 at the time of a rear collision is suppressed by the charger 125.
  • the PCU 120 is arranged, for example, straddling the left and right center line CL2 of the vehicle body.
  • the junction box 123 and the DC-DC converter 126 are arranged side by side on the left and right sides of the vehicle body center line CL2.
  • the charger 125 is disposed, for example, straddling the left and right center line CL2 of the vehicle body.
  • These electrical components 130 are disposed on the inner side in the left-right direction than the outer portion of the rear vehicle body 5 (the left and right outer ends of the left and right rear wheels 4a and 4b). Thereby, the influence by the disturbance from the vehicle outer side with respect to the electrical component 130 is suppressed.
  • the electrical component 130 is disposed above the rear wheel axle 42 and above the left and right rear lower side frames 26 positioned at the lower end of the rear vehicle body frame 21. Thereby, the ground height of the electrical component 130 is ensured, the influence of disturbance from the lower side of the vehicle (road surface side) is suppressed, and the flooding from the road surface side is also suppressed.
  • the electrical components 130 those in the drive system such as the left and right batteries 101, 102, the PCU 120, the junction box 123, and the DC-DC converter 126 are arranged in front of the rear wheel axle 42.
  • the electrical component 130 of the drive system can be easily connected to the electric motor 30 offset to the front of the rear wheels 4a and 4b, and the wiring length can be shortened by the concentrated arrangement on the front side of the rear vehicle body 5.
  • the electrical components 130 are arranged together in the rear vehicle body 5 to suppress the length of the wiring connecting the components, and to suppress the occurrence of wear due to the bending or interference of the wiring due to the relative movement of the components.
  • the electrical component 130 is mounted on the rear vehicle body 5 that is the non-oscillation side vehicle body, it is possible to suppress the weight of the electrical component 130 from affecting the oscillation of the front vehicle body 3 that is the oscillation side vehicle body. The effect on turning performance is suppressed.
  • left and right openings 77 are formed in front wall portion 71 of rear vehicle body cover 70 at positions facing upper surfaces 101 c and 102 c of left and right batteries 101 and 102 in the insertion / removal direction (longitudinal direction), respectively. Is formed.
  • the left and right openings 77 open the battery storage portion 76 toward the front.
  • the left and right openings 77 have, for example, a rectangular shape when viewed in the front-rear direction, and the prismatic left and right batteries 101 and 102 can be inserted and removed, respectively.
  • the left and right openings 77 face the gap S1 between the front and rear vehicle bodies 3 and 5.
  • the front vehicle body 3 when the front vehicle body 3 is in the upright state A, at least a part of the rear inclined portion 9a of the front vehicle body 3 is in a position facing the opening 77 with a gap S1 therebetween.
  • the gap S1 is smaller than the length of the left and right batteries 101, 102 in the insertion / removal direction. For this reason, the left and right batteries 101 and 102 cannot be inserted or removed.
  • the front vehicle body 3 enters a swinging state B by rotating from the upright state A (see FIG. 21) by a predetermined angle ⁇ around the axis C ⁇ b> 1 of the rotating mechanism 50.
  • the front vehicle body 3 retracts the rear inclined portion 9a from the position facing the opening 77, and allows the left and right batteries 101, 102 to be inserted and removed.
  • the swing angle ⁇ of the front vehicle body 3 is in an angle range in which the rotation mechanism 50 can lock the relative rotation. Thereby, the front vehicle body 3 can be locked in the swinging state B when the left and right batteries 101 and 102 are inserted and removed.
  • the left and right openings 77 are respectively provided with lids 78 that can be opened and closed.
  • the lid 78 may be formed with a traveling air intake that allows intake of traveling air (cooling air) toward the battery.
  • the lid 78 may be locked in conjunction with (or independently of) the main switch.
  • the left and right openings 77 cannot be attached to and detached from the left and right batteries 101 and 102 by the rear inclined portion 9a of the front vehicle body 3.
  • the left and right openings 77 allow the left and right batteries 101 and 102 to be attached or detached when the front vehicle body 3 is swung to the left or right to be in the swung state B.
  • the rear inclined portion 9a is retracted from the opening 77 opposite to the swinging direction, and the corresponding ones of the left and right batteries 101 and 102 can be attached to and detached from the opening 77.
  • the state in which the left and right batteries 101, 102 can be detached and the state in which the left and right batteries 101, 102 cannot be detached are switched according to the relative swinging of the front and rear vehicle bodies 3, 5. For this reason, when the electric vehicle 301 is parked, the left and right batteries 101 and 102 can be securely attached and detached only by performing a parking lock operation, and the anti-theft property of the battery 100 is improved. Since the periphery of the battery 100 is covered with the rear vehicle body cover 70 and shielded from the outside, the anti-theft property of the battery 100 is also improved in this respect.
  • the electric vehicle 301 includes a parking lock device 90 that regulates the swinging of the front vehicle body 3 by operating the parking lever 91.
  • the parking lever 91 is locked in accordance with the main switch being turned off at the lock position where the swing of the front vehicle body 3 is locked.
  • the electric vehicle 301 can be locked in a locked state in which the left and right batteries 101 and 102 cannot be removed by the following procedure.
  • the front lever 3 is set to the upright state A and the parking lever 91 is operated to the lock position, and the main switch is turned off in this state. Then, the swing of the front vehicle body 3 is locked in the upright state A, and the left and right batteries 101 and 102 are locked in a state in which they cannot be taken out. In order to release the rocking lock of the front vehicle body 3 (the lock for taking out the left and right batteries 101 and 102) by operating the parking lever 91 from this state, an operation to turn on the main switch is required.
  • the electric vehicle 301 can be locked in a state where the left and right batteries 101 and 102 cannot be taken out during parking or the like, and the anti-theft property of the battery 100 is improved. And since the rocking lock mechanism 93 (parking lock device 90) of the front vehicle body 3 that is banked when the electric vehicle 301 turns is used, the anti-theft lock of the battery 100 is performed.
  • the structure can be realized.
  • the storage portion 76 below the loading platform 75, the height at which the battery 100 is lifted when the battery 100 is attached or detached can be reduced. Since the electrical component storage unit 76 that stores (mounts) the electrical component 130 including the batteries 101 and 102 is configured using the rear frame 21A that configures the loading platform 75, the electrical component storage unit 76 and the frame of the loading platform 75 are used. The vehicle body configuration can be simplified as compared with the case where each is provided individually.
  • the electric motor 30 for running the vehicle, the battery 100 that supplies electric power to the electric motor 30, and the rear part of the vehicle body are configured, and the rear wheels 4a and 4b And a rear frame 21A extending upward.
  • the rear frame 21A constitutes an electrical component storage section 76 that stores the battery 100 in a removable manner.
  • a loading platform 75 is formed on the upper surface of the electrical component storage section 76.
  • the electrical component storage part 76 includes an opening / closing part (lid 78) for opening and closing the battery storage space.
  • the rear part 21 ⁇ / b> A constituting the rear part of the vehicle body is provided with the electrical component storage unit 76 for mounting the heavy battery 100, the loading platform 75 is provided on the upper surface of the electrical component storage unit 76, and the electrical component The storage portion 76 is provided with an opening / closing portion (lid 78) for opening and closing the battery storage space.
  • the electrical component storage unit 76 opens and closes the battery storage space by an opening / closing unit that uses a part of the loading platform 75 and the like, so that an operation for attaching and detaching the battery 100 while avoiding the loading platform 75 becomes unnecessary. Therefore, the heavy battery 100 can be easily attached and detached. Further, the electric vehicle 301 can be made compact by utilizing the upper surface of the electrical component storage unit 76 as the loading platform 75.
  • the electrical component storage unit 76 can detach the battery 100 from the front of the vehicle while avoiding the upper surface of the loading platform 75. According to this configuration, since the battery 100 can be attached and detached while avoiding the upper surface of the loading platform 75, the battery 100 can be detached even when a load is loaded on the loading platform 75, and convenience can be improved.
  • the present invention is not limited to the above embodiment.
  • a covered tricycle is illustrated, but the present invention is not limited thereto.
  • the present invention is widely applicable to saddle-ride type vehicles capable of relatively rotating front and rear vehicle bodies, including vehicles without a roof.
  • the saddle riding type vehicle includes all vehicles on which the driver rides across the vehicle body, and includes not only motorcycles (including motorbikes and scooter type vehicles), but also three-wheelers (in addition to front and rear two wheels). , Including two front wheels and one rear wheel vehicle) or four wheel vehicles.
  • FIG. 23 shows an electric vehicle 1 ′ as a motorcycle in the present embodiment.
  • the electric vehicle 1 ′ has “the rear frame 21 ⁇ / b> A constitutes an electrical component storage portion 76 for detachably storing the battery 100”, “configures a loading platform 75 on the upper surface of the electrical component storage portion 76”, “
  • the electrical component storage section 76 includes an opening / closing section (upper wall section 72) for opening and closing the battery storage space.
  • the electric vehicle 1 ′ will be described, but the same reference numerals are given to the same components as those in the above embodiment, and the description thereof is omitted.
  • the electric vehicle 1 ′ supports a front wheel 2, which is a steered wheel, on a front vehicle body 3.
  • a front wheel 2 which is a steered wheel
  • one rear wheel 4 that is a drive wheel is supported by the rear vehicle body 5.
  • the front vehicle body frame 11 of the front vehicle body 3 and the rear vehicle body frame 21 of the rear vehicle body 5 are integrated so as not to be relatively rotatable.
  • the rear body frame 21 constitutes a rear frame 21A that extends toward the upper side of the rear wheel 4 in a side view.
  • a pivot bracket 19 is fixed to the lower cross frame 17 and the rear lower cross frame 18 of the front body frame 21.
  • the pivot bracket 19 supports the front end portion of the swing arm 40 ′ so as to be swingable up and down via a swing shaft (pivot shaft) 41 ′ extending in the left-right direction.
  • the rear wheel 4 is supported at the rear end of the swing arm 40 '.
  • the swing arm 40 ′ is disposed with its length direction directed in the front-rear direction so as to extend from the swing shaft 41 ′ to the rear wheel axle 42 in a side view.
  • the electric motor 30 ′ which is the drive source of the electric vehicle 1, is mounted, for example, in the middle portion of the swing arm 40 ′ in the length direction.
  • the electric motor 30 ' is so-called laterally arranged with the drive shaft directed in the left-right direction of the vehicle, and is linked to the rear wheel 4 via the drive chain 45'.
  • the electric motor 30 ′ is mounted under the spring of the rear suspension 29 including the rear cushion 28, but may be mounted on the front vehicle body frame 11 and the rear frame 21 ⁇ / b> A that are on the spring of the rear suspension 29.
  • a battery 100 (left and right batteries 101, 102) that can be attached to and detached from the rear vehicle body 5 is disposed above the swing arm 40 'and below the loading platform 75.
  • a junction box 123, a PCU (Power Control Unit) 120, a DC-DC converter 126, and a charger (charger) 125 are arranged as electrical components 130 related to the electric motor 30 ′ and the battery 100.
  • the rear frame 21 ⁇ / b> A constitutes an electrical component storage unit 76 that stores the electrical component 130.
  • the upper wall portion 72 constituting the upper surface of the loading platform 75 is connected to the rear vehicle body frame 11 via a hinge or the like.
  • the upper wall part 72 constitutes an opening / closing part that can open and close the upper surface of the electrical component storage part 76 (including the battery storage space).
  • the electric component 130 may be configured to be mounted on the spring of the rear suspension 29.
  • a rear frame that extends rearwardly above the rear wheel 4 may be provided integrally with the front vehicle body 3, and the electrical component 130 may be mounted on the rear frame.
  • the rear cushion 28 may be disposed in front of the battery 100. In this case, a single rear cushion 28 may be provided.
  • the rear cushion 28 may be coupled to the vehicle body via a link mechanism.
  • the entire upper wall portion 72 that forms the upper surface (loading surface) of the loading platform 75 is an opening / closing portion that opens and closes the upper surface of the electrical component storage portion 76, but is not limited thereto.
  • a part of the upper wall portion 72 may be an opening / closing portion.
  • the entire front wall portion 71 may be an opening / closing portion that opens and closes the front surface of the electrical component storage portion 76.
  • the entire side wall portion 74 may be an opening / closing portion that opens and closes the side surface of the electrical component storage portion 76.
  • at least a part of the rear wall portion 73 may be an opening / closing portion that opens and closes the rear surface of the electrical component storage portion 76.
  • the rear vehicle body cover 70 that covers the electrical component storage unit 76 is an opening / closing unit that allows the battery 100 to be attached and detached.
  • the configuration in the above embodiment is an example of the present invention, and various modifications can be made without departing from the gist of the present invention, such as replacing the component of the embodiment with a known component.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

L'invention concerne un véhicule électrique (1, 1', 201, 301) pourvu d'un moteur électrique (30) pour le déplacement du véhicule et d'une batterie (100) qui fournit de l'énergie électrique au moteur électrique (30). Le véhicule électrique est pourvu d'un cadre arrière (21A) constituant une partie arrière de corps et s'étendant au-dessus de roues arrière (4, 4a, 4b), une partie de stockage de composant électrique (76) dans laquelle la batterie (100) est stockée de manière amovible est configurée dans le cadre arrière (21A), un porte-bagages (75) est configuré sur une surface supérieure de la partie de stockage de composant électrique (76), et la partie de stockage de composant électrique (76) est pourvue d'une partie d'ouverture/fermeture (72, 74b, 78) pour ouvrir et fermer un espace de stockage de batterie.
PCT/JP2019/013232 2018-04-02 2019-03-27 Véhicule électrique WO2019194048A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980020902.2A CN111902337B (zh) 2018-04-02 2019-03-27 电动车辆
JP2020511719A JP6950081B2 (ja) 2018-04-02 2019-03-27 電動車両

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JP2018-071105 2018-04-02
JP2018071105 2018-04-02

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WO2019194048A1 true WO2019194048A1 (fr) 2019-10-10

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JP2021066219A (ja) * 2019-10-17 2021-04-30 本田技研工業株式会社 鞍乗型電動三輪車
JP2021084569A (ja) * 2019-11-29 2021-06-03 スズキ株式会社 鞍乗型電動車両
WO2022003713A1 (fr) * 2020-06-28 2022-01-06 Tvs Motor Company Limited Unité chargeur pour un véhicule
WO2023190276A1 (fr) * 2022-03-28 2023-10-05 本田技研工業株式会社 Dispositif de stockage
JP7477030B1 (ja) 2023-08-29 2024-05-01 スズキ株式会社 鞍乗型車両
JP7494997B1 (ja) 2023-08-29 2024-06-04 スズキ株式会社 鞍乗型車両
JP7501757B1 (ja) 2023-08-29 2024-06-18 スズキ株式会社 鞍乗型車両

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JP2021066219A (ja) * 2019-10-17 2021-04-30 本田技研工業株式会社 鞍乗型電動三輪車
JP7118039B2 (ja) 2019-10-17 2022-08-15 本田技研工業株式会社 鞍乗型電動三輪車
JP2021084569A (ja) * 2019-11-29 2021-06-03 スズキ株式会社 鞍乗型電動車両
JP7354800B2 (ja) 2019-11-29 2023-10-03 スズキ株式会社 鞍乗型電動車両
WO2022003713A1 (fr) * 2020-06-28 2022-01-06 Tvs Motor Company Limited Unité chargeur pour un véhicule
WO2023190276A1 (fr) * 2022-03-28 2023-10-05 本田技研工業株式会社 Dispositif de stockage
JP7477030B1 (ja) 2023-08-29 2024-05-01 スズキ株式会社 鞍乗型車両
JP7494997B1 (ja) 2023-08-29 2024-06-04 スズキ株式会社 鞍乗型車両
JP7501757B1 (ja) 2023-08-29 2024-06-18 スズキ株式会社 鞍乗型車両

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