JPWO2019064475A1 - Saddle-type electric vehicle - Google Patents

Abstract

An electric motor (30) for traveling the vehicle, a battery (100) for supplying electric power to the electric motor (30), a power control unit (320) for controlling the electric motor (30), and an occupant placing his/her feet. A saddle-ride type electric vehicle (1, 1A, 1B) including a step floor (9) and a center tunnel (CT) extending in the vehicle front-rear direction at the left and right center portions of the step floor (9). (320) is arranged inside the center tunnel (CT), and article storage units (313, 313A, 313B) are arranged inside the center tunnel (CT) and above the power control unit (320). Has been done.

Description

  The present invention relates to a saddle-ride type electric vehicle.

  For example, Patent Document 1 discloses a saddle type electric vehicle in which a battery is arranged in a center tunnel.

JP 2012-153327 A

  By the way, the above saddle-ride type electric vehicle includes a power control unit for controlling energy from the battery to the electric motor. In Patent Document 1, the power control unit is arranged in the space behind the battery. In this case, the power control unit overhangs in the space below the seat, but particularly in the saddle-ride type electric vehicle, it is required to secure the article storage section in a limited space.

  Therefore, the present invention provides a saddle-ride type electric vehicle capable of securing an article storage portion in a limited space.

One aspect of the present invention is an electric motor (30) for traveling a vehicle, a battery (100) for supplying electric power to the electric motor (30), and a power control unit (320) for controlling the electric motor (30). A saddle-ride type electric vehicle (1, 1A, 1B) including a step floor (9) on which an occupant rests his foot, and a center tunnel (CT) extending in the vehicle front-rear direction at the left and right center portions of the step floor (9). ), the power control unit (320) is disposed inside the center tunnel (CT), and inside the center tunnel (CT) above the power control unit (320), an article storage unit (313). , 313A, 313B) are arranged.
According to this configuration, the article storage unit is arranged inside the center tunnel in a space avoiding the power control unit. Therefore, it is possible to secure the article storage portion in the limited space of the vehicle and improve the convenience of the vehicle.

In one aspect of the present invention, a lid (313a) that opens and closes the article storage units (313, 313A, 313B) is provided on an upper surface portion (CT1) of the center tunnel (CT).
With this configuration, the article storage unit can be accessed from the upper surface of the center tunnel. Therefore, the occupant can easily access the article storage unit while sitting on the seat, and the convenience of the vehicle can be further improved.

1 aspect of this invention WHEREIN: The said power control unit (320) is equipped with the 1st connection part (331a) which connects a high voltage line, The said 1st connection part (331a) at least one copy is the said goods storage part ( The wall (313Aw) facing the wall (313Aw) of 313A) and the first connecting part (331a) of the article storage (313A) has an opening (second opening) (318a). 318) has been formed.
According to this structure, the first connection portion can be accessed from the inside of the article storage portion. Therefore, the maintainability of the power control unit can be ensured while disposing the article storage section above the power control unit.

According to an aspect of the present invention, an air guide portion (315) for guiding traveling wind into the center tunnel (CT) is provided in front of the center tunnel (CT), and the power control unit (320) and the power control unit (320) are provided. The wall (313Aw) of the article storage (313A) forms an air passage (s1) through which the traveling wind introduced from the air guide (315) into the center tunnel (CT) flows from the front to the rear. There is.
According to this configuration, the traveling wind introduced from the air guide into the center tunnel flows through the air passage between the power control unit and the wall of the article storage. Therefore, the traveling wind is rectified to increase the flow velocity, and the cooling performance of the power control unit can be improved.

In one aspect of the present invention, the power control unit (320) includes a heat radiation fin (333) at a portion facing the ventilation passage (s1).
According to this configuration, the radiating fins are satisfactorily cooled by the traveling air flowing between the power control unit and the wall of the article storage unit. Therefore, the cooling performance of the power control unit can be further improved.

One aspect of the present invention includes a reserve battery (319) capable of supplying electric power to the electric motor (30) separately from the battery (100), and the article storage unit (313A) is at least partially A reserve battery storage section (319a) for storing the reserve battery (319) is provided.
According to this configuration, the reserve battery is stored in at least a part of the article storage unit. Therefore, while the reserve battery is provided separately from the battery, the luggage space above the power control unit can be utilized to efficiently mount the reserve battery.

  According to the aspects of the present invention, it is possible to provide a saddle-ride type electric vehicle that can secure an article storage portion in a limited space.

It is a left side view of the motorcycle according to the embodiment. It is the figure which removed the vehicle body cover etc. in FIG. It is a left side view showing arrangement of parts in a center tunnel concerning an embodiment. FIG. 4 is a sectional view taken along line IV-IV in FIG. 3. It is a front view of the motorcycle according to the embodiment. It is a left side view showing arrangement of a specific part concerning an embodiment. It is a top view which shows arrangement|positioning of the specific component which concerns on embodiment. It is a left side view of a body frame concerning an embodiment. It is a top view of the body frame concerning an embodiment. It is the perspective view which looked at the body frame concerning an embodiment from the upper left. It is a top view which shows the component arrangement|positioning of PCU periphery which concerns on embodiment. It is a front view which shows the components arrangement|positioning of PCU periphery which concerns on embodiment. FIG. 12 is a top view including a partial cross-section with the junction box removed from FIG. 11. FIG. 14 is a right side view of FIG. 13. It is the perspective view which looked at the terminal block periphery of PCU of FIG. 14 from the upper right. It is a block diagram showing a control system of a motorcycle concerning an embodiment. FIG. 7 is a left side view corresponding to FIG. 6 of a motorcycle according to a second embodiment. FIG. 8 is a top view corresponding to FIG. 7 of the motorcycle according to the third embodiment. FIG. 7 is a left side view corresponding to FIG. 6 of a motorcycle according to a third embodiment. It is the perspective view which looked at the opening-and-closing structure of the lid concerning an embodiment from the left back. FIG. 21 is a sectional view taken along line AA of FIG. 20. FIG. 22 is a sectional view taken along line BB of FIG. 21. It is a figure containing the cross section which shows the closed state of the lid concerning an embodiment. It is a figure containing the cross section which shows the open state of the lid concerning an embodiment. It is a perspective view showing a charging cord concerning an embodiment. FIG. 25A is a diagram showing a stored state of the charging cord according to the embodiment. FIG. 25B is a diagram showing a first method of withdrawing the charging cord according to the embodiment. FIG. 25C is a diagram showing a second method for withdrawing the charging cord according to the embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the front-rear, left-right, etc. directions in the following description are the same as those in the vehicle described below unless otherwise specified. Further, an arrow FR indicating the front of the vehicle, an arrow LH indicating the left side of the vehicle, an arrow UP indicating the upper side of the vehicle, and a line CL indicating the left-right center of the vehicle are shown at appropriate places in the drawings used in the following description.

<Whole vehicle>
FIG. 1 shows a unit swing type motorcycle 1 as an example of a saddle-ride type electric vehicle. The motorcycle 1 includes a front wheel 3 that is a steering wheel and a rear wheel 4 that is a driving wheel. The front wheel 3 is supported by the front fork 6 and can be steered by the bar handle 2. A front fender 6a is supported by the front fork 6.

  The rear wheel 4 is supported by the swing unit 10 and can be driven by the electric motor 30. The swing unit 10 includes an electric motor 30 and a speed reducer 35 that reduces the driving force of the electric motor 30 and transmits it to the rear wheel axle 4a. A rear fender 50 is supported on the rear end of the swing unit 10 via a fender support arm 40. The lower end of the rear cushion 7 is connected to the fender support arm 40.

  Steering system components including the bar handle 2, the front fork 6, and the front wheel 3 are steerably supported by the front end of the vehicle body frame 11. The swing unit 10 and the rear wheel 4 are supported by a lower portion of the vehicle body frame 11 so as to be vertically swingable. The periphery of the body frame 11 is covered by the body cover 5. The vehicle body frame 11 and the vehicle body cover 5 are main components of the vehicle body (on the spring) of the motorcycle 1.

  Referring also to FIG. 7, the motorcycle 1 includes a pair of left and right step floors 9 on which a driver seated on a seat 8 rests a foot, a center tunnel CT extending in the vehicle front-rear direction between the left and right step floors 9, and a center tunnel. The front body FB is connected to the front of the CT and the left and right step floors 9, and the rear body RB is connected to the rear of the center tunnel CT and the left and right step floors 9.

  Referring also to FIG. 3, the center tunnel CT extends behind the front body FB with the upper surface CT1 inclined rearward and downward. The center tunnel CT is connected to the rear body RB by curving the rear side of the upper surface portion CT1 upward. Hereinafter, the curved lower end portion on the rear side of the upper surface portion CT1 of the center tunnel CT is referred to as the lowest portion CT2.

  The lowest part CT2 is located above the upper end of the front wheel 3. The lowest part CT2 is arranged near the lower end of the seat 8 (front seat 8a). In a side view, the vertical distance z1 between the lowest portion CT2 and the lower end of the front sheet 8a is smaller than the vertical thickness z2 of the front sheet 8a. The distance from the floor surface 9a to the lowest portion CT2 is larger than the distance from the lowest portion CT2 to the upper surface of the front seat 8a.

  The motorcycle 1 is provided with the center tunnel CT on the step floor 9, so that the center tunnel CT can be sandwiched by the left and right feet while allowing the occupant's foot mounting position to have a degree of freedom. Therefore, comfort around the legs of the occupant and controllability of the vehicle body are ensured. The center tunnel CT constitutes a low floor portion of the motorcycle 1. A straddle space CT3 is formed above the center tunnel CT so that the occupant can easily straddle the vehicle body.

  Returning to FIG. 1, a front combination lamp 53 including a headlamp and a windscreen 305 are arranged on the front upper part of the front body FB. A rear combination lamp 54 including a brake lamp and a grab rail 58 are arranged at the rear part of the rear body RB. A seat 8 on which an occupant sits is supported on the rear body RB. The seat 8 integrally has a front seat 8a on which a driver is seated and a rear seat 8b on which a rear passenger is seated.

  The seat 8 has a lower front end portion connected to the vehicle body via a hinge shaft extending in the vehicle width direction (left-right direction). The seat 8 opens and closes the upper portion of the rear body RB by rotating up and down about the hinge shaft. When the seat 8 is in the closed state in which the upper portion of the rear body RB is closed (see FIG. 1), the occupant can sit on the seat 8. When the seat 8 is in the open state in which the upper part of the rear body RB is opened, the articles and space below the seat 8 can be accessed. The seat 8 can be locked in the closed state.

<Body frame>
As shown in FIGS. 8 to 10, the vehicle body frame 11 is formed by integrally joining a plurality of types of steel materials by welding or the like. The vehicle body frame 11 includes a head pipe 12 located at a front end portion, a pair of left and right down frames 14a extending downward from the head pipe 12, a pair of left and right lower frames 14b extending rearward from lower ends of the left and right down frames 14a, and left and right sides. A pair of left and right rear frames 14c extending upward and rearward from the rear ends of the lower frames 14b, a pair of left and right upper frames (main frames) 13 extending downward and rearward from the head pipe 12 above the left and right down frames 14a, and left and right down frames A pair of left and right middle frames 17 extending downward and rearward from the upper and lower intermediate portions of 14a, a pair of left and right rear upper frames (seat frames) 15 extending upward and rearward from the front and rear intermediate portions of the left and right upper frames 13, and upper and lower portions of the left and right rear frames 14c. A pair of left and right rear lower frames (support frames) 16 extending upward and rearward from the intermediate portion are provided. For example, each frame member is composed of a round steel pipe. The “middle” used in the present embodiment is meant to include not only the center between both ends of the object but also the inner range between both ends of the object.

  The down frame 14a and the lower frame 14b are integrally connected via a front lower bent portion 142. The lower frame 14b and the rear frame 14c are integrally connected via a rear lower bent portion 144. The down frame 14a, the lower frame 14b, and the rear frame 14c are formed of an integral round steel pipe. The down frame 14a, the lower frame 14b, and the rear frame 14c form an underframe 14 that is U-shaped in a side view. Hereinafter, a portion including the down frame 14a, the upper frame 13, and the middle frame 17 is referred to as a down frame portion 18 extending downward and rearward from the head pipe 12. The down frame parts 18 are provided in a pair of left and right, and control system parts such as a PCU 320 (see FIG. 2) are arranged between the left and right down frame parts 18.

The upper end of the rear frame 14c is connected to the front-rear intermediate portion of the rear upper frame 15 from below. The rear upper frame 15 is composed of a round steel pipe having substantially the same diameter as the down frame 14a, the lower frame 14b, and the rear frame 14c.
The lower rear end portion of the upper frame 13 is connected to the rear lower bent portion 144 from the upper front side. The lower rear end of the middle frame 17 is connected to the rear of the lower frame 14b from above.
An upper rear end portion of the rear lower frame 16 is connected to a rear portion of the rear upper frame 15 from below. The upper frame 13, the middle frame 17, and the rear lower frame 16 are made of a round steel pipe having a diameter slightly smaller than that of the rear upper frame 15 and the like.

  The down frame 14a extends rearward from the head pipe 12, obliquely downward and rearward in a side view, then bends, and extends substantially vertically downward. The left and right down frames 14a extend rearward from the head pipe 12 obliquely outward in the vehicle width direction in a plan view, and then bend and extend substantially parallel to the vehicle body side surface.

  A front middle stage cross frame 147 is provided between the lower portions of the left and right down frames 14a. The front middle stage cross frame 147 extends in a straight line along the vehicle width direction and is connected to the left and right down frames 14a from the vehicle width direction inside. A front lower cross frame 148 is provided between the left and right front lower bent portions 142. The front lower cross frame 148 extends downward and forward in a convex curved shape, and is connected to the left and right front lower bent portions 142 from the inside in the vehicle width direction. The front middle cross frame 147 and the front lower cross frame 148 are made of round steel pipe having a smaller diameter than the down frame 14a and the like.

  The lower frame 14b extends substantially along the vehicle front-rear direction. A lower cross frame 149 is provided between the left and right lower frames 14b. The lower cross frame 149 extends in a straight line along the vehicle width direction and is connected to the left and right lower frames 14b from the inside in the vehicle width direction. The lower cross frame 149 is composed of a round steel pipe having substantially the same diameter as the lower frame 14b and the like. A side stand bracket 149a is attached to a portion of the left lower frame 14b that overlaps the lower cross frame 149 in a side view.

  The rear lower bent portion 144 at the rear of the lower frame 14b is formed so as to be inclined toward the outer side in the vehicle width direction as it goes upward. The lower portion of the rear frame 14c is inclined according to the inclination of the rear lower bent portion 144 so that the rear frame 14c is positioned more outwardly in the vehicle width direction as it is positioned higher. The rear frame 14c gently curves inward in the vehicle width direction above the lower part and extends substantially parallel to the side surface of the vehicle body.

  The front half of the rear upper frame 15 is inclined and extends so as to be located further outward in the vehicle width direction as it is located rearward in a plan view, and is inclined and extends rearward and upward in a side view. The rear half of the rear upper frame 15 is bent at the rear end of the front half and then extends so as to be positioned further inward in the vehicle width direction toward the rear in a plan view, and is inclined more than the front half in a side view. Loosen and extend backward.

  A center cross frame 155 is provided between the front portions of the left and right rear upper frames 15. The center cross frame 155 extends upward and forward in a convex curved shape (specifically, a U-shape). The center cross frame 155 is made of a round steel pipe having a diameter smaller than that of the rear upper frame 15 and the like. A rear cross frame 156 and a rear cross plate 157 are provided between the rear ends of the left and right rear upper frames 15.

  The rear lower frame 16 extends substantially parallel to the front half of the rear upper frame 15 in a side view and is connected to the rear half of the left and right rear upper frames 15 from below. A rear lower cross frame 159 is provided between the rear parts of the left and right rear lower frames 16.

  The upper frame 13 linearly extends rearward from the head pipe 12 and downwardly rearward in a side view. The upper frame 13 extends rearward from the head pipe 12, obliquely outward in the vehicle width direction in a plan view, then bends, and extends substantially parallel to the vehicle body side surface. The left and right upper frames 13 are located inside the left and right down frames 14a in the vehicle width direction in a plan view. The rear parts of the left and right upper frames 13 are inclined so as to be positioned further outward in the vehicle width direction as they are located rearward in a plan view.

  The middle frame 17 linearly extends downward and rearward in a side view, and extends substantially parallel to the vehicle body side surface in a plan view. The middle frame 17 is arranged so as to be located between the lower frame 14b and the upper frame 13 on the inner side in the vehicle width direction in a plan view.

  In the figure, reference numeral 135 is a step support stay that is attached to the lower portion of the rear frame 14c and supports a pillion step (not shown), reference numeral 139 is a cushion support bracket that supports the upper end portion of the rear cushion 7, and reference numeral 161 is the front of the upper frame 13. An intermediate gusset that connects the upper end portion and the front upper end portion of the down frame 14a, reference numeral 162 is a front gusset that connects the front upper portions of the left and right down frames 14a behind the lower portion of the head pipe 12, and reference numeral 163 is the upper frame 13 and the down frame 14a. An upper gusset connecting the front portions of the above, a reference numeral 164, a lower gusset connecting the rear portions of the upper frame 13 and the lower frame 14b, and a reference numeral 165, a side gusset connecting the front end portion of the rear lower frame 16 and the step support stay 135, Reference numeral 166 is a middle gusset that connects the front end portion of the rear upper frame 15 and the upper frame 13, reference numeral 167 is a rear gusset that connects the rear end portion of the rear lower frame 16 and the rear upper frame 15, and reference numeral 171 is the underframe 14. The lower brackets that are provided along the lower rear of the rear lower bent portion 144 and that can link the link mechanism 19 are shown.

<Body cover>
As shown in FIGS. 1, 4 and 5, the vehicle body cover 5 includes a front cover 301 that covers the upper part of the front body FB from above in front of the front combination lamp 53, and below the front combination lamp 53 and behind the front wheel 3. A concave front lower cover 302 that covers the lower part of the front body FB from the front, a pair of left and right front side covers 303 that covers the left and right side parts of the front body FB from the outside, and an inner cover 304 that covers the upper part of the front body FB from the rear. And are equipped with. A windscreen 305 is attached to the upper portion of the front cover 301 so as to overlap from the front. The front lower cover 302 is formed with an air guide hole (air guide portion) 315 that guides the traveling wind W1 into the center tunnel CT.

  The vehicle body cover 5 forms a top surface (floor surface 9a) of the left and right step floors 9 and a pair of left and right floor covers 306 that covers the left and right side portions of the center tunnel CT from outside, and a step floor that is continuous below the left and right floor covers 306. A pair of left and right lower side covers 307 that covers the lower part of the vehicle 9 from the outside and an under cover 308 that covers the lower surface of the vehicle body from below between the lower ends of the left and right lower side covers 307 are provided. An opening is formed between the rear ends of the left and right lower side covers 307 so that the front portion of the swing unit 10 is swingably inserted. This opening constitutes an air guide outlet 309 for exhausting the traveling wind W1 introduced into the center tunnel CT from the air guide hole 315 to the outside of the center tunnel CT.

  The vehicle body cover 5 includes a center cover 311 that covers the upper portion of the center tunnel CT from above, and a pair of left and right rear side covers 312 that covers the left and right side portions of the rear body RB from the outside. A rear combination lamp 54 and a grab rail 58 are arranged between the rear ends of the left and right rear side covers 312. The license plate 55, the license lamp 56, and the reflector 57 are arranged on the rear fender 50. The center cover 311 forms the upper surface portion CT1 of the center tunnel CT.

<Swing unit>
As shown in FIGS. 1 and 2, the swing unit 10 includes a swing arm 20 whose front end is supported by a vehicle body frame 11 through a link mechanism 19 so as to be vertically swingable, and a drive shaft on the rear left side of the swing arm 20. An electric motor 30 having 31 arranged in the left-right direction and a speed reducer 35 connected to the rear of the electric motor 30 are integrally provided.

  The electric motor 30 is driven by the electric power of the battery 100. The electric motor 30 is driven at a variable speed by VVVF (variable voltage variable frequency) control, for example. The electric motor 30 is controlled to have a continuously variable transmission, but the invention is not limited to this, and the electric motor 30 may be controlled to have a stepped transmission.

  The electric motor 30 is arranged offset from the rear wheel axle 4a toward the front of the vehicle. The drive shaft 31 of the electric motor 30 is arranged offset to the front of the vehicle with respect to the rear wheel axle 4a. The electric motor 30 is disposed substantially in the vehicle front-rear direction between the axis of the rear wheel axle 4a and the front end 4w1 of the wheel 4w of the rear wheel 4. The electric motor 30 is arranged substantially entirely on the inner circumference side of the outer circumference (tire inner circumference) of the wheel 4w of the rear wheel 4 in a side view. The electric motor 30 is provided so as to project outside the left arm of the swing arm 20 in the vehicle width direction (see FIG. 7 ).

<Battery>
As shown in FIGS. 2, 6, and 7, the battery 100 is mounted below the seat 8. The battery 100 is arranged so as to overlap the seat 8 (particularly the front seat 8a) in a plan view. The battery 100 is composed of a plurality (for example, two front and rear) unit batteries 101 and 102. The plurality of unit batteries 101 and 102 have the same configuration. Hereinafter, the unit batteries 101 and 102 are referred to as a front battery 101 and a rear battery 102, respectively. The front and rear batteries 101, 102 each have a rectangular cross section (for example, a substantially square shape) and a prismatic shape (a rectangular parallelepiped shape) extending in the longitudinal direction. The front and rear batteries 101 and 102 are arranged such that the front and rear sides of the cross-sectional shape are along the left-right direction and the left and right side sides are along the front-rear direction. The front and rear batteries 101, 102 are arranged in a standing posture in which the front and rear batteries 101, 102 are inclined so as to be located rearward as they are located upward in the longitudinal direction. The front and rear batteries 101, 102 are inclined parallel to each other, and are arranged at regular intervals between the front and rear surfaces.

The battery 100 generates a predetermined high voltage (48 to 72V) by connecting the front and rear batteries 101 and 102 in series. The front and rear batteries 101, 102 are each composed of, for example, a lithium ion battery as an energy storage that can be charged and discharged.
Referring also to FIG. 16, the front and rear batteries 101 and 102 are connected to the PDU 321 via a junction box (distributor) 323 and a contactor (electromagnetic switch) 324. A three-phase cable 80 extends from the PDU 321, and the three-phase cable 80 is connected to the electric motor 30.

  Referring to FIG. 2, front and rear batteries 101 and 102 are inserted into and removed from front and rear battery cases 103 and 104 fixed to the vehicle body, respectively, from above. The front and rear battery cases 103, 104 each have a battery insertion/removal opening that opens upward. Around the respective battery insertion/removal openings, lock mechanisms 103a and 104a for restricting upward and downward removal of the front and rear batteries 101 and 102 respectively inserted into the case are provided. The front and rear batteries 101, 102 are slidably slid into the battery cases 103, 104 from the battery insertion/removal openings, and are housed in the battery cases 103, 104 so that they can be taken in and out. The front and rear batteries 101 and 102 are obliquely inserted into and removed from the battery cases 103 and 104, respectively, so that part of the weight when the batteries are inserted and removed is supported by the rear wall portions of the battery cases 103 and 104. The front and rear batteries 101, 102 are inclined to the side opposite to the hinge axis at the front end of the seat 8 to facilitate the taking in and out of the seat 8 when the seat 8 is opened.

  Battery-side connection terminals (not shown) are provided at the lower ends of the front and rear batteries 101, 102, respectively. Case-side connection terminals (not shown) for detachably connecting the battery-side connection terminals are provided on the bottom walls of the front and rear battery cases 103, 104. The case-side connection terminal is recessed below the bottom wall portions of the front and rear battery cases 103, 104 before the lock operation of the lock mechanisms 103a, 104a. At this time, the front and rear batteries 101, 102 can be inserted into and removed from the battery cases 103, 104. However, only by inserting the front and rear batteries 101, 102 into the battery cases 103, 104, the battery side connection terminal and the case side can be inserted. It is not connected to the connection terminal.

  After the front and rear batteries 101, 102 are housed in the battery cases 103, 104, the lock mechanisms 103a, 104a are operated to be locked, whereby the case-side connection terminals project above the bottom wall portions of the battery cases 103, 104. Thereby, the battery side connection terminal and the case side connection terminal are connected. The lock operation and the terminal connection can be performed for each of the front and rear batteries 101, 102.

The operation of the lock mechanism and the insertion/removal of the front and rear batteries 101, 102 are manual, and the front and rear batteries 101, 102 are attached to and detached from the vehicle body without using a tool. The front and rear batteries 101 and 102 can be attached to and detached from the vehicle body with the seat 8 open. The front and rear batteries 101 and 102 are switched between a state in which they can be attached to and detached from the vehicle body and a state in which they cannot be attached to and detached from the vehicle body by opening and closing the seat 8.
The front and rear batteries 101, 102 are mobile batteries that can be attached to and detached from the vehicle body. Each of the front and rear batteries 101 and 102 can be used independently, such as by being charged by a charger outside the vehicle or used as a power source of an external device as a mobile battery.

  Left and right rear frames 14c, left and right rear upper frames 15, and left and right rear lower frames 16 are arranged on the left and right outer sides of the front and rear batteries 101, 102 and the battery cases 103, 104 as a pair of left and right frame members of the vehicle body frame 11. .. The battery 100 is arranged in a space sandwiched between the pair of left and right frame members (inside the left and right frame members in the left-right direction). The battery 100 is arranged so as to at least partially overlap with the left and right frame members in a side view. As a result, the influence of disturbance from the outside in the vehicle width direction on the battery 100 is suppressed.

Referring to FIGS. 6 and 7, battery 100 is arranged in front of electric motor 30 in the front-rear direction of the vehicle. The battery 100 is arranged so as not to overlap the electric motor 30 in a plan view. The battery 100 is arranged with its position in the front-rear direction displaced (separated from each other) with respect to the electric motor 30 in a plan view.
The front and rear batteries 101, 102 are arranged at the same lateral position as each other. The front and rear batteries 101, 102 are arranged across the center CL of the vehicle body in the left-right direction in a plan view. For example, the front and rear batteries 101, 102 have their left and right centers aligned with the vehicle body left and right center CL in a plan view. The front and rear batteries 101, 102 are arranged so as to be displaced in the left-right direction from the electric motor 30 in a plan view (separated from each other).

<Control system>
As shown in FIG. 16, a PDU (Power Driver Unit) 321 and an ECU (Electric Control Unit) 322 configure a PCU 320 that is an integrated control unit.
Electric power from the battery 100 is supplied to the PDU 321 that is a motor driver via the contactor 324 that works in conjunction with the main switch 260. Electric power from the battery 100 is converted from DC to three-phase AC by the PDU 321, and then supplied to the motor 30, which is a three-phase AC motor.

  The output voltage from the battery 100 is stepped down via the DC-DC converter 326 and used for charging the 12V sub-battery 327. The sub-battery 327 supplies electric power to general electric components such as a lighting device and control system components such as the meter 261, the smart unit 221 and the ECU 322. By mounting the sub-battery 327, various electromagnetic locks and the like can be operated even when the battery 100 (hereinafter also referred to as “main battery 100”) is removed.

  Although not shown, the PDU 321 includes an inverter including a bridge circuit using a plurality of switching elements such as transistors and a smoothing capacitor. The PDU 321 controls energization of the stator winding of the motor 30. The motor 30 performs a power running operation according to the control by the PDU 321, and runs the vehicle.

  The battery 100 is charged by the charger 325 connected to an external power source while being mounted on the vehicle body. The battery 100 (front and rear batteries 101, 102) can also be charged by a charger outside the vehicle while being removed from the vehicle body.

  Each of the front and rear batteries 101, 102 includes a BMU (Battery Managing Unit) 101a, 102a for monitoring the charging/discharging status, temperature and the like. The information monitored by each BMU 101a, 102a is shared by the ECU 322 when the front and rear batteries 101, 102 are mounted on the vehicle body. Output request information from the accelerator sensor 329 is input to the ECU 322. The ECU 322 drives and controls the motor 30 via the PDU 321 based on the input output request information.

  For example, the ECU 322 controls charging/discharging of the battery 100 by controlling the battery 100. For example, the ECU 322 switches the supply of electric power to the battery 100 and the discharge from the battery 100 by controlling the contactor 324 and the relay 262.

  The first diode 271 rectifies the current flowing between the high potential side terminal 325P of the charger 325 and the high potential side terminal 101P of the front battery 101. For example, the first diode 271 causes a current to flow from the high potential side terminal 325P of the charger 325 toward the high potential side terminal 101P of the front battery 101.

  The second diode 272 rectifies the current flowing between the high potential side terminal 325P of the charger 325 and the high potential side terminal 102P of the rear battery 102. For example, the second diode 272 causes a current to flow from the high potential side terminal 325P of the charger 325 toward the high potential side terminal 102P of the rear battery 102.

  The current flowing through the first diode 271 and the current flowing through the second diode 272 are different from each other. The high potential side terminal 325P of the charger 325, the high potential side terminal 101P of the front battery 101, and the high potential side terminal 102P of the rear battery 102 have the same polarity. For example, the polarities of the high potential side terminal 325P of the charger 325, the high potential side terminal 101P of the front battery 101, and the high potential side terminal 102P of the rear battery 102 are positive.

The first diode 271 corresponding to the front battery 101 and the second diode 272 corresponding to the rear battery 102 are provided so as to protect each part from the following events.
Due to the provision of the first diode 271 and the second diode 272, a current flows from the high potential side terminal 101P of the front battery 101 and the high potential side terminal 102P of the rear battery 102 to the high potential side terminal 325P of the charger 325. To prevent backflow.
The provision of the first diode 271 prevents the front battery 101 from being short-circuited when the battery 100 is connected in series.
In the conductor 281 and the conductor 282 connecting the high potential side terminal 101P of the front battery 101 and the high potential side terminal 102P of the rear battery 102, the first diode 271 and the second diode 272 are provided in opposite directions. When one of the front battery 101 and the rear battery 102 has a short circuit failure, the other short circuit is prevented.

  The contactor 324 disconnects the connection between the low potential side terminal 101N of the front battery 101 and the high potential side terminal 101P of the rear battery 102. For example, the contactor 324 connects the low potential side terminal 101N of the front battery 101 and the high potential side terminal 102P of the rear battery 102 in the conductive state. The contactor 324 connects the batteries 100 in series in the conductive state and disconnects the series connection of the batteries 100 in the disconnected state. The period in which the contactor 324 is in the cutoff state includes at least the period in which the charger 325 supplies power to the battery 100.

  The relay 262 connects and disconnects the low potential side terminal 101N of the front battery 101 and the low potential side terminal 102N of the rear battery 102. For example, the relay 262 connects the low potential side terminal 101N of the front battery 101 and the low potential side terminal 102N of the rear battery 102 in the conductive state. The period in which relay 262 is in the conductive state includes at least the period in which charger 325 supplies power to battery 100.

  Both ends of the battery 100 connected in series are connected to the PDU 321 respectively. By switching the states of the contactor 324 and the relay 262, the front battery 101 and the rear battery 102 in the battery 100 are connected in series or in parallel. The contactor 324, the relay 262, the first diode 271 and the second diode 272 are an example of connection switching means. The diodes 271, 272, the relay 262, and the connection parts (branch points P1 to P4) are included in the junction box 323.

<Example of connection configuration of drive system of electric circuit>
Each part of the drive system of the electric circuit includes a first conductor 281, a second conductor 282, a third conductor 283, a fourth conductor 284, a fifth conductor 285, a sixth conductor 286, a seventh conductor 287 and an eighth conductor 288. Conductors (conductors) are electrically connected as described below.

  The first conductor 281 electrically connects the high potential side terminal 101P of the front battery 101 and the high potential side terminal 325P of the charger 325. A first diode 271 is inserted in the first conductor 281. For example, the cathode of the first diode 271 is connected to the high potential side terminal 101P of the front battery 101, and the anode of the first diode 271 is connected to the high potential side terminal 325P of the charger 325. A first branch point P1 is provided between the anode of the first diode 271 and the high potential side terminal 325P of the charger 325.

  The second conductor 282 electrically connects the first branch point P1 and the high potential side terminal 102P of the rear battery 102. A second diode 272 is inserted in the second conductor 282. For example, the cathode of the second diode 272 is connected to the high potential side terminal 102P of the rear battery 102, and the anode of the second diode 272 is connected to the high potential side terminal 325P of the charger 325 via the first branch point P1. . A second branch point P2 is provided between the cathode of the second diode 272 and the high potential side terminal 102P of the rear battery 102.

  The third conductor 283 electrically connects the second branch point P2 and the low potential side terminal 101N of the front battery 101. The contact of the contactor 324 is inserted in the third conductor 283. The third conductor 283 is provided with a third branch point P3. The position of the third branch point P3 is between the contactor 324 and the low potential side terminal 101N of the front battery 101.

The fourth conductor 284 electrically connects the third branch point P3 and the low potential side terminal 325N of the charger 325. A contact of the relay 262 is inserted in the fourth conductor 284.
The fourth conductor 284 electrically connects the low potential side terminal (102N) of the battery on the lower potential side (rear battery 102) and the low potential side terminal 325N of the charger 325 among the batteries connected in series. Has been done.

A fourth branch point P4 is provided between the cathode of the first diode 271 and the high potential side terminal 101P of the front battery 101.
The fifth conductor 285 electrically connects the fourth branch point P4 and the high potential side terminal of the PDU 321.
The sixth conductor 286 electrically connects the fourth branch point P4 and the high potential side terminal 326P of the DC-DC converter 326.
The seventh conductor 287 connects the low potential side terminal of the PDU 321 to the low potential side terminal 325N of the charger 325.
The eighth conductor 288 connects the low potential side terminal 326N of the DC-DC converter 326 to the low potential side terminal 325N of the charger 325.

  The electric circuit may include a connection of the monitoring control system shown by a broken line in the drawing in addition to the connection of the drive system described above. The electric circuit may include the ECU 322.

<Operation of electric circuit>
The ECU 322 acquires the state of the battery 100 from each BMU 101a, 102a. The ECU 322 detects a user operation from the accelerator sensor 329 or the like. The ECU 322 controls the contactor 324, the relay 262, and the PDU 321 based on the collected information.

  For example, when charging the battery 100 with the electric power from the charger 325, the ECU 322 sets the contactor 324 to the cutoff state and the relay 262 to the conductive state. When the front battery 101 and the rear battery 102 are connected in parallel, the power from the charger 325 is supplied to the front battery 101 and the rear battery 102. When in the above control state, the power from the charger 325 can be supplied to the PDU 321. The voltage from the charger 325 to the PDU 321 is the same as the voltage applied across the terminals of the front battery 101.

  For example, when driving the PDU 321 with the electric power stored in the battery 100, the ECU 322 brings the contactor 324 into a conducting state and the relay 262 into a cutoff state. When the front battery 101 and the rear battery 102 are connected in series, the front battery 101 and the rear battery 102 supply electric power to the PDU 321. In the above case, the first diode 271 is reverse biased. Due to the reverse bias, the voltage of the high potential side terminal 101P of the front battery 101 (for example, 96V) is not applied to the high potential side terminal 102P of the rear battery 102 and the high potential side terminal 325P of the charger 325.

<ABS>
An ABS (Anti-lock Brake System) 229 is electrically connected to the PCU 320. ABS 229 is a function that, when the driving wheels are locked during sudden braking, automatically releases and operates the brakes even when the brakes are applied to restore the grip force of the tires and to keep the running stability of the vehicle. Have. The ABS 229 also functions as a vehicle state detection unit that can detect the running state and the stopped state of the vehicle. For example, the ABS 229 includes a wheel speed sensor (not shown) capable of detecting the wheel speed.

<Action of PCU>
The PCU 320 also functions as a control unit that controls the vehicle based on the detection results of the lid open/close detection unit 225 and the ABS 229.

The PCU 320 prohibits the vehicle from traveling when the ABS 229 detects the stopped state of the vehicle and the lid open/close detection unit 225 detects the opened state of the lid 313a (see FIG. 1).
When the ABS 229 detects the traveling state of the vehicle and the lid open/close detection unit 225 detects the open state of the lid 313a, the PCU 320 prohibits the traveling of the vehicle after the vehicle stops.

  Here, the stopped state of the vehicle includes not only the state where the vehicle is completely stopped but also the state where the vehicle is substantially stopped (the state where the vehicle is slightly moving). For example, when the speed of the vehicle is V, the stopped state of the vehicle includes states in the range of 0 km/h≦V≦5 km/h.

<Operation as lock control unit of PCU>
The motorcycle includes a smart system 220 (vehicle electronic lock) that enables locking and unlocking of the vehicle, a PCU 320 that is a lock control unit that controls the smart system 220, and a sub-battery 327 that supplies power to the PCU 320. Prepare

The smart system 220 enables the vehicle to be locked and unlocked by authenticating with the remote key 223 (portable device).
The smart system 220 includes a smart unit 221 connected to the PCU 320, an antenna 222 connected to the smart unit 221, a lock knob 211 (handle lock part) connected to the smart unit 221, and a seat connected to the smart unit 221. And a switch 212 (lid lock unit).

The smart unit 221 is a control unit including a microcomputer.
The antenna 222 is a transmission/reception antenna for communicating with the remote key 223.
The lock knob 211 enables locking and unlocking of the handle 2 (see FIG. 1).
The seat switch 212 enables locking and unlocking of the seat 8 (see FIG. 1) which is a storage lid for storing the battery 100.
The PCU 320 enables unlocking of the vehicle with the battery 100 removed from the vehicle. The PCU 320 controls the smart unit 221 based on the authentication result with the remote key 223.

  As shown in FIG. 16, the remote key 223 communicates with the smart unit 221 and transmits ID information. For example, the remote key 223 serves as a transmission/reception circuit (not shown) to which a plurality of antennas are connected to enable nondirectional communication (transmission and reception), and a storage device for storing various data. EEPROM (not shown) and a CPU (not shown) that controls the components of the remote key 223. The remote key 223 has a built-in power source such as a lithium battery for driving the remote key 223.

For example, in the smart system 220, the entire system operates when the transmitter/receiver circuit of the remote key 223 is active and the remote key 223 is held in the authentication area set in the vehicle. The smart system 220 does not operate when the transmission/reception circuit of the remote key 223 is stopped.
For example, when the user is out of the authentication area with the remote key 223, the smart system 220 is in the initial state and each lock device is locked.

<Effects of various switches>
The operation of various switches will be described with reference to FIG.
For example, by turning on the main switch 260, the smart unit 221 is powered by the sub battery 327.
For example, by turning on the main switch 260 and the start switch 228, the sub battery 327 is charged by the main battery 100 through the DC-DC converter 326.
When the main switch 260 is on, the smart unit 221 is powered by the sub battery 327 regardless of the presence or absence of the main battery 100. Therefore, the smart unit 221 can be operated by the sub battery 327 without the main battery 100.
When the main switch 260 is on, the smart unit 221 is charged by the main battery 100 through the DC-DC converter 326.

  The PCU 320 detects the state of the lid switch 213. The PCU 320 controls the vehicle based on the open/closed state of the lid 313a.

For example, when the open state of the lid 313a is detected before the vehicle is running, the PCU 320 performs control such that the driving force is not generated regardless of the input from the accelerator sensor 329.
As a result, it is possible to prevent the vehicle from starting traveling with the lid 313a open.

For example, when the open state of the lid 313a is detected while the vehicle is traveling, the PCU 320 performs control to generate a driving force according to the accelerator sensor 329 until the vehicle speed becomes substantially zero. For example, the vehicle speed can be obtained from the ABS 229 connected to the PCU 320.
The vehicle speed is not limited to being obtained from the ABS 229, but may be obtained from GPS (Global Positioning System) or other means for detecting the vehicle speed.
For example, when the vehicle speed is substantially 0 or is in a stopped state, the PCU 320 performs control such that the driving force is not generated regardless of the input from the accelerator sensor 329.
Thus, even if the lid 313a (see FIG. 1) is opened during traveling, the lid 313a can be closed after moving to a safe position and stopping.

  The meter 261 may be provided with notification means such as an LED indicator (not shown) that changes according to the open/closed state of the lid 313a (see FIG. 1). By visually recognizing the LED indicator, it is possible to confirm the open/closed state of the lid 313a (see FIG. 1) even while traveling.

<Control system parts>
As shown in FIGS. 2, 3, and 6, the PCU 320 is arranged inside the center tunnel CT together with the junction box 323, the contactor 324, and the charger 325. The PCU 320, the junction box 323, the contactor 324, and the charger 325 are arranged in front of the central position CP (see FIG. 2) between the front and rear wheels 3, 4 in the vehicle front-rear direction. A battery 100 is arranged behind the central position CP between the front and rear wheels 3, 4. As a result, the weight balance of the control system components in the vehicle front-rear direction becomes good. By arranging the PCU 320 on the spring of the suspension, the unsprung weight is reduced as compared with, for example, arranging the PCU 320 together with the electric motor 30 under the spring of the rear suspension.

  With reference to FIG. 11 and FIG. 12 together, the PCU 320 includes a flat box-shaped housing 332 whose vertical thickness is suppressed. The housing 332 is made of, for example, an aluminum alloy. The housing 332 has a rectangular shape in a plan view, and is arranged such that the front and rear sides are along the left and right direction and the left and right side sides are along the front and rear direction. A plurality of heat radiation fins 333 are erected on the upper surface of the housing 332 along the vehicle front-rear direction. The PCU 320 uses the upper surface of the housing 332 as a heat sink.

  The PCU 320 has a two-layer structure in which a control board that constitutes the ECU 322 and a high-voltage board that constitutes the PDU 321 are stacked in the housing 332 in the thickness direction. The high-voltage board constitutes the upper layer, and the control board constitutes the lower layer. Since the PDU 321 is in the upper layer, the influence of disturbance on the PDU 321 from below is suppressed as compared with the case where the PDU 321 is in the lower layer.

  Referring also to FIGS. 13 to 15, a terminal block 331 for connecting the three-phase cable 80 to the high-voltage board is provided on the right side surface of the housing 332. On the terminal block 331, terminal connection portions 331 a for three phases are provided side by side in the front-rear direction of the housing 332. A terminal at one end of the three-phase cable 80 is connected to each terminal connecting portion 331a by bolt fastening. Since the terminal block 331 is provided on the side surface of the PCU 320, the maneuverability and attachment/detachment workability of the three-phase cable 80 are improved. An output cable 335a reaching the contactor 324 is connected to the rear end of the PCU 320 via a connector 335.

  The three-phase cables 80 are bundled together on the right side of the PCU 320 to form a collective cable, which crosses the vehicle body diagonally from the right side to the left side near the front end of the swing unit 10. The three-phase cable 80 extends rearward on the left side of the swing unit 10, and the other end is connected to the electric motor 30. The three-phase cable 80 is arranged so as not to overlap the housing 332 and the rib 331c in a side view.

  The terminal block 331 is arranged inside the right down frame portion 18 in the left-right direction. The terminal block 331 is arranged in a region R1 surrounded by the frame member in a side view. The terminal block 331 is arranged so as to avoid the frame member in a side view. The terminal block 331 has a pedestal 331b made of an insulating member. The pedestal 331b has a rib (standing wall) 331c that partitions the plurality of terminal connection portions 331a. Since the terminal block 331 is arranged in the region R1 surrounded by the frame member in the side view, even if the right down frame portion 18 is deformed by the impact from the vehicle side surface, the frame member is less likely to contact the terminal block 331. ..

  The PCU 320 is disposed so as to straddle the center CL of the vehicle body in the left-right direction in a plan view. The left and right down frames 14a, the left and right upper frames 13, and the left and right middle frames 17 (left and right down frame portions 18) are arranged on the left and right outside of the PCU 320 as a pair of left and right frame members of the vehicle body frame 11. The PCU 320 is arranged in a space sandwiched between the pair of left and right frame members (down frame portion 18) (inside the left and right down frame portions 18 in the left-right direction). The PCU 320 is arranged so as to at least partially overlap the left and right down frame portions 18 in a side view. As a result, the impact load input to the PCU 320 due to the impact from the vehicle side surface is suppressed. That is, the influence of disturbance from the side of the vehicle on the PCU 320 is suppressed, and the protection of the PCU 320 is improved.

  Referring to FIG. 7, PCU 320 is arranged in front of battery 100 in the vehicle front-rear direction. The PCU 320 is arranged apart from each other so as not to overlap the battery 100 and the electric motor 30 in a plan view. As a result, the PCU 320, the battery 100, and the electric motor 30, which are heat-generating components during traveling, are appropriately dispersed and arranged in the vehicle front-rear direction. Therefore, the temperature rises of PCU 320, battery 100, and electric motor 30 are suppressed.

  Referring to FIG. 3, PCU 320 is arranged above lower frame 14b. As a result, even if the lower part of the vehicle body contacts an obstacle or the like below the vehicle, the lower frame 14b can protect the PCU 320 from the impact from below (on the road surface side) to the PCU 320. The PCU 320 is arranged above the floor surface 9a of the step floor 9. As a result, the ground clearance of the PCU 320 is further increased and water is suppressed.

  The PCU 320 is arranged below the lowest part CT2 of the center tunnel CT. The PCU 320 is arranged below the lower end of the head pipe 12. The PCU 320 is arranged in a height range H1 between the axial center of the front wheel axle 3a and the upper end 3w1 of the wheel 3w in the vertical direction in a side view. By setting the upper limit of the arrangement height of the PCU 320, it is possible to prevent the position of the center of gravity of the motorcycle 1 from increasing, and to suppress the increase in the length of the three-phase cable 80.

  The PCU 320 is arranged so as to be inclined downward and frontward in a side view. The front lower end (lowermost end) T1 of the PCU 320 is located at substantially the same height as the front wheel axle 3a. The rear upper end (uppermost end) T2 of the PCU 320 is located below the upper end 3w1 of the wheel 3w of the front wheel 3.

Referring to FIGS. 6 and 7, the motorcycle 1 includes a seat 8 on the upper rear side of the center tunnel CT and a rear wheel 4 on the lower rear side of the seat 8. The PCU 320 is arranged so as to overlap with the center tunnel CT in a plan view, and the battery 100 is arranged so as to overlap with the seat 8 in a plan view. The electric motor 30 is arranged so as to lap the front-rear direction position with the rear wheel 4 and shift the front-rear direction position with respect to the battery 100.
As a result, the PCU 320, the battery 100, and the electric motor 30, which are heat generating components that are running, are arranged appropriately dispersed in the vehicle front-rear direction and the vertical direction, and the mutual thermal influence (temperature rise) of the PCU 320, the battery 100, and the electric motor 30. ) Is suppressed.

  The traveling wind W1 introduced into the center tunnel CT is supplied to the upper surface portion of the PCU 320 from the air guide hole 315 of the front lower cover 302. Due to the air guide hole 315 facing the front of the vehicle, the traveling wind W1 is efficiently taken into the center tunnel CT. Thus, while the PCU 320, the junction box 323, and the contactor 324, which are heat-generating components that are running, are arranged in the center tunnel CT, the cooling performance of these heat-generating components is ensured. Since the heat generating component is arranged in front of the battery 100, cooling performance of the heat generating component by the traveling wind W1 is enhanced.

  Referring to FIG. 5, the air guide holes 315 are provided in a pair on the left and right so as to avoid the front wheel 3 when viewed from the front. Each of the left and right air guide holes 315 is formed by vertically arranging a plurality of slit-shaped openings 316 extending in the left and right direction. For example, the left air guide hole 315 has three upper and lower openings 316, and the right air guide hole 315 has four upper and lower openings 316. The air guide hole 315 is located below the upper end of the front wheel 3. As long as the traveling wind can be introduced into the center tunnel CT, the air guide hole 315 may be replaced by an air guide portion such as a notch or a gap.

  Referring to FIG. 3, a hood 317 is formed on the back surface (rear surface side) of front lower cover 302 to downwardly change traveling wind W1 that has passed through openings 316. The PCU 320 is arranged behind the front lower cover 302 and below the air guide hole 315. The traveling wind W1 that has passed through the openings 316 and is guided downward by the hood 317 is supplied to the upper surface portion (radiation fins 333) of the PCU 320. A shaded area R2 in FIG. 6 indicates an air guide path area in which the traveling wind W1 flows in the center tunnel CT. The air guide path region R2 is a region sandwiched by lines connecting the upper and lower ends y1 and y2 of the air guide hole 315 and the upper and lower ends y3 and y4 of the air guide outlet 309 in a side view. A line L2 in the figure indicates a passage center line that divides the air guide passage region R2 into upper and lower parts in a side view.

  The PCU 320 is arranged in a posture in which the upper surface portion orthogonal to the thickness direction is inclined forward and downward. As a result, the traveling wind W1 introduced from the air guide holes 315 easily hits the upper surface portion of the PCU 320 having the heat radiation fins 333, and the cooling performance of the PCU 320 is enhanced.

  An extension line L1 that extends the upper edge of the heat dissipation fin 333 toward the rear of the vehicle in a side view overlaps the battery 100. Therefore, the traveling wind W1 flowing along the heat radiation fins 333 flows toward the battery 100 on the extension line L1 and is also used for cooling the battery 100. The traveling wind W1 that has flowed from the center tunnel CT around the battery 100 is exhausted from the lower rear portion of the rear body RB (air guide outlet 309) toward the periphery of the rear wheel 4.

  With reference to FIG. 4, an end portion x1 of the left-right air guide hole 315 on the outer side in the left-right direction is formed on the outer side of the down frame portion 18 in the left-right direction when viewed from the vehicle front-rear direction. As a result, at least a part of the traveling wind W1 introduced into the center tunnel CT from the left and right air guide holes 315 passes through the outside of the down frame portion 18 in the left and right direction and flows. Therefore, the flow velocity of the air in the center tunnel CT is improved, and the swing unit 10 is cooled efficiently.

  Further, the end portion x2 on the inner side in the left-right direction of the left-right air guide hole 315 is formed on the inner side in the left-right direction than the end portion x3 on the outer side in the left-right direction of the PCU 320 when viewed from the vehicle front-rear direction. As a result, at least a part of the traveling wind W1 introduced into the center tunnel CT from the left and right air guide holes 315 is directly applied to the outer side portion of the PCU 320, and the PCU 320 is efficiently cooled.

  11 to 13, a plurality of radiating fins 333 and a plurality of fastening bosses 334 for fastening the junction box 323 are provided on the upper surface of the PCU 320. The junction box 323 has a rectangular shape smaller than the PCU 320 in a plan view, and is arranged so that the front and rear sides are along the left and right direction and the left and right side sides are along the front and rear direction. Fastening portions 323a for the PCU 320 are provided at four corners of the junction box 323 in plan view. The junction box 323 is fixed in a state in which the fastening portions 323a are fastened to the corresponding fastening bosses 334 and are arranged above the PCU 320 so as to be overlapped with a space therebetween.

  Referring to FIG. 3, the vehicle body frame 11 includes a front middle stage cross frame 147, a front lower cross frame 148, and a center cross frame 155 as a cross frame connecting a pair of left and right frame members. The cross frames 147, 148, 155 are arranged so as to overlap at least a part of the PCU 320 in a plan view. The front middle cross frame 147 is arranged so as to overlap at least a part of the PCU 320 when viewed in the vehicle front-rear direction. These cross frames 147, 148, 155 can more firmly suppress the disturbance from the side of the vehicle with respect to the PCU 320. Further, the front middle cross frame 147 suppresses disturbance from the front of the vehicle with respect to the PCU 320.

  The motorcycle 1 includes a charger 325 for charging the battery 100 in a vehicle. Charger 325 is arranged below PCU 320 so as to be spaced apart and overlap. In a top view, charger 325 and PCU 320 are arranged so as to overlap each other. The charger 325 is smaller than the housing 332 of the PCU 320 in the vehicle width direction (see FIG. 12 ), and is arranged inside the left and right down frame portions 18 in the vehicle width direction. This suppresses the influence of external disturbance on the charger 325.

  Referring to FIGS. 12 and 14, charger 325 is fixed to the lower surface of PCU 320 via rack 340. The PCU 320 is provided with a fastening portion 334a for connecting the rack 340. The PCU 320, the junction box 323, and the charger 325 are mounted on the vehicle body as a three-layer subassembly. In the sub-assembly, one end of the three-phase cable 80 is connected to the PCU 320 in advance. After mounting the sub-assembly on the vehicle body, the other end of the three-phase cable 80 is connected to the electric motor 30.

  The motorcycle 1 includes a junction box 323 that connects a plurality of high voltage lines (output cables 101b, 102b, etc.). The junction box 323 is arranged above the PCU 320 so as to be overlapped with a space therebetween. In a top view, the junction box 323 and the PCU 320 are arranged so as to overlap each other. The junction box 323 is fixed to the fastening boss 334 on the upper surface of the PCU 320.

  Referring also to FIG. 11, a pair of front and rear terminal blocks 336 for connecting a plurality of high-voltage lines are provided on the upper surface of the junction box 323. Each of the front and rear terminal blocks 336 is provided with a plurality of terminal connection portions 336a arranged side by side in the left-right direction. The output cables 101b and 102b extending from the front and rear batteries 101 and 102 are connected to one of the front and rear terminal blocks 336, and the output cable 336b (see FIG. 16) extending to the contactor 324 is connected to the other of the front and rear terminal blocks 336. There is. For convenience of illustration, the cables connected to the junction box 323 are not shown in FIGS. 11 and 12.

  The front and rear terminal blocks 336, and thus the junction box 323, are smaller in overall width in the vehicle width direction than the casing 332 of the PCU 320, and are arranged inside the left and right down frame portions 18 in the vehicle width direction. The junction box 323 is arranged on the inner side in the left-right direction than the end portion x3 (see FIG. 4) on the outer side in the left-right direction of the PCU 320. As a result, the influence of external disturbance on the junction box 323 is suppressed.

  The motorcycle 1 includes a contactor 324 for switching the high voltage line. The contactor 324 is arranged above the PCU 320 and behind the junction box 323. The contactor 324 is smaller than the casing 332 of the PCU 320 in the vehicle width direction, and is arranged inside the left and right down frame portions 18 in the vehicle width direction. As a result, the influence of external disturbance on the contactor 324 is suppressed.

  The contactor 324 connects the front and rear batteries 101 and 102 in series to connect to the electric motor 30 side (PCU 320) when the motorcycle 1 travels, and connects the front and rear batteries 101 and 102 in parallel to connect to the charger 325 side when charging the battery. Connecting. The contactor 324 may be of various types such as a switch type in addition to the electromagnetic switch.

  The contactor 324 makes it possible to connect the front and rear batteries 101 and 102 in series during traveling to obtain a high voltage. The contactor 324 supplies a larger current when the battery is charged than when the vehicle is running, and enables quick charging. Therefore, the amount of heat generated by the junction box 323 and the contactor 324 along with the charger 325 increases during battery charging.

  In the motorcycle 1, the PCU 320 is arranged between the charger 325, the junction box 323, and the contactor 324 with a space. The charger 325, which is a heat-generating component during charging of the battery, the junction box 323, and the contactor 324 are separated from each other with the PCU 320, which is a heat-generating component during traveling, interposed therebetween. This suppresses the thermal influence of the heat-generating components during battery charging.

  With reference to FIGS. 2, 3, and 6, an article storage box 313 is provided above the PCU 320 and the junction box 323 in the center tunnel CT. The article storage box 313 stores, for example, a charging cord (not shown) that connects the charger 325 and an external power supply. The article storage box 313 has a container shape that opens upward, and the upper opening is arranged along the upper surface of the center tunnel CT. A lid 313 a that opens and closes the upper opening of the article storage box 313 is provided on the upper surface of the center tunnel CT. By providing the lid 313a on the upper surface of the center tunnel CT, it is possible for the driver to open and close the lid 313a even in a riding posture in which the driver is seated on the seat 8.

<Peripheral structure of the center tunnel>
Hereinafter, an example will be described in which the article storage box 313 is the cord storage portion 230 that stores the charging cord 245.
As shown in FIG. 20, the center tunnel CT is provided with a cover inclined surface CS that inclines so as to be positioned lower toward the rear side with respect to the ground contact surface. The center tunnel CT is provided with a lid 240 capable of opening and closing the cord storage portion 230. The lid 240 is arranged above the center tunnel CT. This makes it easy to visually check the open/closed state of the lid 240. In addition, the opening/closing operation of the lid 240 can be easily performed.

In FIG. 20, a solid line shows the lid 240 in the closed state, and a two-dot chain line shows the lid 240 in the open state.
When the lid 240 is in the closed state, the cover inclined surface CS is substantially flush with the upper surface of the lid 240. Hereinafter, the portion located on the upper portion (front upper portion) of the cover inclined surface CS is also referred to as “inclined surface upper portion CS1”, and the portion located on the lower portion of the cover inclined surface CS (rear lower portion) is also referred to as “inclined surface lower portion CS2”. The inclined surface upper portion CS1 corresponds to the front end portion of the upper surface portion CT1 (see FIG. 3). The lower portion CS2 of the inclined surface corresponds to the rear end portion of the upper surface portion CT1 (see FIG. 3). The lower portion CS2 of the inclined surface corresponds to a portion including the lowest portion CT2 (see FIG. 3).

<Lid open/closed detector>
As shown in FIG. 21, the center tunnel CT is provided with a lid open/close detection unit 225 capable of detecting the open/closed state of the lid 240. The lid open/close detection unit 225 is arranged near the inclined surface upper portion CS1. For example, the lid open/close detection unit 225 includes a contact displacement sensor 225a.

  The lid open/closed detection unit 225 determines the open/closed state of the lid 240 based on the gap formed between the lid 240 and the vehicle body cover 5. Here, the gap means a gap generated between the lid 240 and the vehicle body cover 5 when the charging cord 245 is sandwiched between the lid 240 and the vehicle body cover 5. The size of the gap is substantially the same as the outer diameter of the portion of the charging cord 245 that is sandwiched between the lid 240 and the vehicle body cover 5. For example, when the lid 240 is closed in a state where the charging cord 245 is pulled out from the cord housing portion 230 (see FIGS. 25B and 25C), a space between the lid 240 and the vehicle body cover 5 is generated. Has a gap corresponding to the outer diameter of the charging cord 245.

  The lid open/close detection unit 225 determines the size of the gap based on the pushing amount of the hinge arm 253. FIG. 23 shows a state in which the contact displacement sensor 225a is pushed by the hinge arm 253. FIG. 24 shows a state in which the contact displacement sensor 225a is not pushed by the hinge arm 253.

The lid open/close detection unit 225 determines that the lid 240 is in the open state when the gap becomes equal to or larger than the minimum outer diameter dimension of the charging cord 245.
The lid open/close detection unit 225 determines that the lid 240 is in the closed state when the gap becomes smaller than the minimum outer diameter dimension of the charging cord 245.

  Here, the minimum outer diameter dimension of the charging cord 245 means the smallest diameter dimension of the outer diameter dimensions of the charging cord 245 in the extending direction of the charging cord 245. When the charging cord 245 is protected by a protective tube or the like, the outer diameter dimension of the charging cord 245 includes a dimension including the thickness of the protective tube or the like.

  For example, the charging cord 245 is a curl cord and can be freely modified. The charging cord 245 is provided with a connection plug 246 (see FIG. 25) that can be connected to an external power source. The charging cord 245 connects the charger 325 (see FIG. 3) to an external power source.

For example, it is possible to store the charging cord 245 in the cord storing portion 230 in a state where the charging cord 245 is spirally wound (see FIG. 25A).
For example, the charging cord 245 can be pulled out of the cord housing portion 230 in a state where a part of the charging cord 245 is spirally wound (see FIG. 25B).
For example, it is possible to pull out the charging cord 245 to a position far away from the cord pulling-out portion 236 while the winding of the charging cord 245 is released (see FIG. 25C).

<Notification means>
Inside the center tunnel CT, an informing means 226 (see FIG. 5) for informing an occupant based on the detection result of the lid opening/closing detecting section 225 is provided. In the front view of FIG. 5, the notification means 226 is arranged on the side opposite to the horn 227 with the vehicle body left-right center line CL interposed therebetween. The notification means 226 is arranged on the left side of the vehicle body. For example, the notification means 226 is a speaker.

  For example, the notification unit 226 issues an alarm (first alarm) when the lid open/close detection unit 225 detects the open state of the lid 240. For example, the notification unit 226 issues a second alarm different from the first alarm when the lid open/close detection unit 225 detects the closed state of the lid 240. The notification unit 226 may not issue an alarm when the lid open/close detection unit 225 detects the closed state of the lid 240.

<Hinge mechanism>
As shown in FIG. 21, the center tunnel CT is provided with a hinge mechanism 250 capable of opening and closing the lid 240. The hinge mechanism 250 is arranged near the inclined surface upper portion CS1.

  The hinge mechanism 250 is rotatable about a hinge bracket 251 fixed to a lower portion of the inclined surface upper portion CS1, a hinge shaft 252 extending in the vehicle width direction and having an end fixed to the hinge bracket 251, and a hinge shaft 252. And a hinge arm 253 attached to the.

  In the cross-sectional view of FIG. 21, the hinge arm 253 includes a hinge shaft support portion 253a rotatably attached to the hinge shaft 252, and an arm front half portion 253b that is linearly inclined from the hinge shaft support portion 253a toward the front lower side. An arm middle portion 253c that is connected to the lower end of the arm front half 253b and extends obliquely rearward and downward is provided, and an arm rear half 253d that is connected to the rear end of the arm intermediate portion 253c and extends obliquely upward rearward. A lower front part 241 of the lid 240 is connected to the rear end of the rear half part 253d of the arm.

  The rear lower portion 242 of the lid 240 is provided with a front lower protruding portion 243 that protrudes front lower. In the cross-sectional view of FIG. 21, the front lower protruding portion 243 includes a locking wall 243a that is inclined so as to be positioned higher toward the rear side. The locking wall 243a is provided with a locking hole 243h that is opened in the front and rear direction so that the hook 258 of the lock mechanism 255 can be inserted therethrough.

<Lock mechanism>
As shown in FIG. 21, the center tunnel CT is provided with a lock mechanism 255 capable of locking the lid 240. The lock mechanism 255 is arranged near the lower portion CS2 of the inclined surface.

  The lock mechanism 255 is rotatable around the lock bracket 256 fixed to the lower portion of the inclined surface lower portion CS2, the lock shaft 257 extending in the vehicle width direction and having the end fixed to the lock bracket 256, and the lock shaft 257. Attached to the lock bracket 256, a biasing member (not shown) connected to the lock bracket 256 and the hook 258, a lid wire (not shown) connected to the hook 258, and an actuator (not shown) capable of rotating the hook 258. (Shown), and.

The biasing member (not shown) applies a biasing force in the direction of arrow V1 around the lock shaft 257 to the hook 258 so that the hook 258 is locked by the locking wall 243a. For example, the biasing member is a coil spring.
An actuator (not shown) can apply a force to the hook 258 in the direction opposite to the arrow V1 direction against the biasing force of the biasing member so that the hook 258 can be disengaged from the locking wall 243a. For example, a cable (not shown) is connected between the hook 258 and the actuator. The actuator can disengage the hook 258 by pulling a cable (not shown) against the biasing force of the biasing member.

<Cord storage section>
As shown in FIG. 21, the center tunnel CT is provided with a cord storage portion 230 capable of storing the charging cord 245. The cord storage portion 230 has a box shape that opens upward. Items other than the charging cord 245 can be stored in the cord storage portion 230. For example, while the charging cord 245 is stored in the cord storage portion 230, it is possible to store other articles together in the cord storage portion 230.

  The cord storage portion 230 is arranged between the left and right upper frames 13, the left and right down frames 14 a, and the left and right middle frames 17. The upper portion of the cord storage portion 230 is arranged between the left and right upper frames 13. The lower portion of the cord storage portion 230 is arranged between the left and right down frames 14 a and the left and right middle frames 17.

  The code storage portion 230 includes a hinge storage portion 231 that can store the hinge mechanism 250, a lock storage portion 232 that can store the lock mechanism 255, and a pair of left and right connecting portions that connect the hinge storage portion 231 and the lock storage portion 232. 233L and 233R, and a cord storage body 234 that can store the charging cord 245.

  The hinge storage portion 231 is arranged on the upper front side of the cord storage main body 234. The hinge storage portion 231 is located near the inclined surface upper portion CS1. When the lid 240 is in the closed state, the hinge housing portion 231 includes a hinge front wall 231a located in front of the hinge mechanism 250 and a hinge lower wall 231b located below the hinge mechanism 250. In the cross-sectional view of FIG. 21, the hinge front wall 231a extends in a straight line with an inclination so that the front side is located downward. In the cross-sectional view of FIG. 21, the hinge lower wall 231b is continuous with the lower end of the hinge front wall 231a, and extends linearly while being inclined so as to be positioned higher toward the rear side.

  The lock storage portion 232 is arranged on the upper rear side of the cord storage body 234. The lock storage portion 232 is located near the lower portion CS2 of the inclined surface. When the lid 240 is in the closed state, the lock housing portion 232 includes a lock lower wall 232a located below the lock mechanism 255. In the cross-sectional view of FIG. 21, the lock lower wall 232a has an L-shape that is inclined substantially parallel to the hinge front wall 231a so as to be positioned lower toward the front side, and then bends downward and extends rearward. The lock housing portion 232 is provided with an opening portion 232h that opens in the front and rear direction to allow the rotation of the hook 258 of the lock mechanism 255.

  The left and right connecting portions 233L and 233R extend between the front and rear of the hinge storage portion 231 and the lock storage portion 232. In the cross-sectional view of FIG. 21, the connecting portion 233 extends so as to incline so that it is located lower toward the rear side.

  The cord storage main body 234 includes wall portions located on the front, rear, left and right sides of the cord storage portion 230 and on the bottom. Hereinafter, in the cord storage portion 230, the front wall portion is the “front wall portion 234a”, the rear wall portion is the “rear wall portion 234b”, and the left wall portion is the “left wall portion 234cL”. The wall located on the right side is also referred to as "right wall 234cR", and the wall located at the bottom is also referred to as "storage bottom 234d".

  In the cross-sectional view of FIG. 21, the front wall portion 234a is continuous with the front wall upper coupling portion 234a1 coupled to the front lower end of the hinge lower wall 231b and the lower end of the front wall upper coupling portion 234a1 and extends linearly downward. The upper wall half 234a2 and the front wall upper half 234a2 are connected to the lower ends of the front wall middle part 234a3 and the front wall middle part 234a3. And an intermediate portion 234a4.

  In the cross-sectional view of FIG. 21, the rear wall portion 234b is connected to the rear lower end of the lock lower wall 232a and extends rearwardly and upwardly from the rear wall upper half portion 234b1 and the rear wall upper half portion 234b1. A rear wall middle portion 234b2 that is continuous with the lower end and extends forward and upward, and a rear wall lower half portion 234b3 that is continuous with the front end of the rear wall intermediate portion 234b2 and that extends linearly with being inclined so as to be located lower toward the front side. , Is provided.

  The left and right wall portions 234cL and 234cR pass between the front and rear portions of the left and right ends of the front and rear wall portions 234a and 234b, respectively. In the cross-sectional view of FIG. 22, the left and right wall portions 234cL and 234cR are connected to the front wall upper coupling portion 234a1 (see FIG. 21), and the left and right coupling portions 234c1 coupled to the lower ends of the left and right coupling portions 233L and 233R, and the left and right coupling portions. The left and right wall main bodies 234c2 are connected to the inner ends of the 234c1 in the vehicle width direction, and extend in a straight line while being inclined so that the lower side is located inward in the vehicle width direction.

  The storage bottom portion 234d passes between the front and rear portions of the lower ends of the front and rear wall portions 234a and 234b (see FIG. 21) and the width direction of the lower ends of the left and right wall portions 234cL and 234cR in the vehicle width direction. In the cross-sectional view of FIG. 22, the storage bottom portion 234d includes a bottom portion main body 234d1 that linearly extends while being inclined so as to be located lower toward the left side, and a lower protrusion portion 234d2 that is connected to the left end of the bottom portion main body 234d1 and that protrudes downward. Equipped with.

In the cross-sectional view of FIG. 21, the bottom main body 234d1 extends linearly while being inclined so as to be located downward as it approaches the front. The storage bottom portion 234d is formed deepest on the inclined surface upper portion CS1 side.
As shown in FIG. 22, a drain hole 234h that opens vertically is provided at the lower end of the downward protruding portion 234d2.

<Plug fixing part>
As shown in FIG. 21, the cord storage portion 230 is provided with a plug fixing portion 235 capable of fixing the connection plug 246 (see FIG. 25). The plug fixing portion 235 is arranged near the lower portion CS2 of the inclined surface. The plug fixing portion 235 is provided so as to project forward and downward from the rear wall intermediate portion 234b2. For example, the plug fixing portion 235 is provided with an insertion hole 235h into which the connection plug 246 can be inserted from above.

<Cord drawer>
As shown in FIG. 21, the cord storage portion 230 is provided with a cord pull-out portion 236 that allows the charging cord 245 to be pulled out inside the cord storage portion 230. The cord drawer portion 236 is a hole that opens the left wall portion 234cL of the cord housing portion 230 in the vehicle width direction.

  In the cross-sectional view of FIG. 21, the cord pulling-out portion 236 is formed in a rectangular shape having an upper side that is linearly inclined so that it is located lower toward the rear side. The length of each side of the cord lead-out portion 236 is larger than the diameter of the charging cord 245. In the up-down direction, the cord pull-out portion 236 overlaps the rear lower portion 242 of the lid 240. The upper end 236u of the cord pull-out portion 236 is located above the plug fixing portion 235. The cord drawer portion 236 is arranged above the lower end 243e of the lid 240.

  The storage space 230s of the cord storage portion 230 extends to the lowermost side below the cord drawer portion 236. The storage space 230s can store the charging cord 245 pulled out from the cord pulling-out portion 236 from near the upper portion of the inclined surface upper portion CS1 to the lower portion of the cord storing portion 230.

  As described above, in the motorcycle 1 in the above-described embodiment, the electric motor 30 for traveling the vehicle, the battery 100 that supplies electric power to the electric motor 30, the PCU 320 that controls the electric motor 30, and the occupant puts his/her feet. The step floor 9 and a center tunnel CT extending in the vehicle front-rear direction at the left and right center portions of the step floor 9 are provided. The PCU 320 is disposed inside the center tunnel CT and above the PCU 320 inside the center tunnel CT. An article storage box 313 is arranged.

  According to this configuration, the article storage box 313 is arranged inside the center tunnel CT in a space avoiding the PCU 320. Therefore, it is possible to secure the article storage portion in the limited space of the vehicle and improve the convenience of the vehicle.

<Second embodiment>
Next, a second embodiment of the present invention will be described with reference to FIG.
The motorcycle 1A of this embodiment is particularly different from the first embodiment in that the charger 325 is eliminated, the PCU 320 and the junction box 323 are moved downward, and the article storage box 313A that is larger than the first embodiment is provided. different. Other than that, the same components as those of the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

  The PCU 320 is arranged so that at least the terminal block 331 is located above the floor surface 9a. The terminal block 331 is arranged, for example, on the upper surface of the housing 332. The terminal block 331 is arranged at a position facing the bottom wall portion (wall portion) 313Aw of the article storage box 313A so as to face the bottom wall portion 313Aw side. An opening 318 having a maintenance lid 318a is formed in a portion of the bottom wall portion 313Aw of the article storage box 313A facing the terminal block 331. As a result, the terminal connecting portion 331a becomes accessible from the inside of the article storage box 313A. Therefore, the maintainability of the PCU 320 can be ensured while disposing the article storage box 313A above the PCU 320.

  The bottom wall portion 313Aw of the article storage box 313A cooperates with the upper surface portion of the PCU 320 to form the ventilation passage s1. The ventilation passage s1 rectifies the traveling wind introduced from the air guide hole 315 into the center tunnel CT and flows it backward, thereby increasing the flow velocity of the traveling wind. The heat dissipation fins 333 of the PCU 320 face the ventilation passage s1 and improve the cooling performance of the PCU 320.

  For example, the motorcycle 1A may include a reserve battery 319 in addition to the front and rear batteries 101 and 102. In this case, at least a part of the article storage box 313A may be provided with a battery storage section 319a for storing the reserve battery 319.

<Third embodiment>
Next, a third embodiment of the present invention will be described with reference to FIGS.
In the motorcycle 1B of this embodiment, the charger 325 is eliminated and the PCU 320 is placed vertically on one side in the vehicle width direction as compared to the first embodiment, and is located on the other side in the vehicle width direction than the first embodiment. It is particularly different in that it has a large-sized biased article storage box 313B. Other than that, the same components as those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

  The PCU 320 is arranged in a standing posture with the thickness direction of the housing 332 oriented in the left-right direction. The PCU 320 is arranged offset to the left side with respect to the vehicle body left-right center CL. The electric motor 30 is arranged offset to the right with respect to the vehicle body left-right center CL. The PCU 320 is arranged offset to the side opposite to the electric motor 30 in the left-right direction with respect to the vehicle body left-right center CL.

  By arranging the heavy-weight PCU 320 so as to be displaced in the left-right direction on the side opposite to the electric motor 30, the left-right weight balance of the motorcycle 1B is improved. By arranging the PCU 320 having a flat outer shape in a vertical posture with the thickness direction oriented in the left-right direction, it is easy to offset the PCU 320 in the left-right direction. At least one of the PCU 320 and the electric motor 30 may be arranged so as to overlap the vehicle body left-right center CL.

The PCU 320 is arranged so that at least the terminal block 331 is located above the floor surface 9a. The terminal block 331 is arranged, for example, on the upper surface of the housing 332.
For example, similar to the second embodiment, the terminal block 331 may be arranged at a position facing the wall of the article storage box 313B. Further, the PCU 320 and the wall portion of the article storage box 313B may form a ventilation path through which traveling wind introduced from the air guide hole 315 into the center tunnel CT flows. Further, an opening for maintenance may be provided on the wall of the article storage box 313B facing the terminal block 331. Further, the article storage box 313B may be provided with a battery storage section for storing a reserve battery.

  The present invention is not limited to the above embodiment, and may be applied to a vehicle equipped with a single battery depending on, for example, the performance of the battery and the specifications of the vehicle. However, it is effective to mount a plurality of batteries in order to extend the cruising range. Further, at least one battery may be a reserve battery. In addition, control for switching the number of batteries used may be possible. Further, an operation unit such as a switch for switching the number of batteries used may be provided. Further, since the flow velocity of traveling wind is high below the vehicle body, a heat radiation fin may be provided on the lower surface of the PCU.

Not limited to application to motorcycles, saddle-ride type electric vehicles to which the present invention is applied include all vehicles in which a driver rides across a vehicle body, and three wheels (in addition to front one wheel and rear two wheels, front two wheels and It also includes rear one-wheel vehicles) or four-wheel vehicles. Moreover, you may apply to the vehicle which equips the front wheel (steering wheel) with the electric motor for a driving|running.
The configurations in the above embodiments are examples of the present invention, and various modifications can be made without departing from the gist of the present invention, such as replacing the elements of the embodiments with known elements.

1,1A,1B motorcycle (saddle-type electric vehicle)
3 front wheels (wheels, steering wheels)
3a axle 3w wheel 3w1 upper end H1 range 4 rear wheel (wheel, drive wheel)
4w wheel 8 seat 9 step floor 11 vehicle body frame 12 head pipe 13 upper frame (frame member)
14a Down frame (frame member)
14b Lower frame 14c Rear frame (second frame member)
15 Rear upper frame (second frame member)
16 Rear lower frame (second frame member)
17 Middle frame (frame member)
18 Down Frame Section 30 Electric Motor 100 Battery 101 Front Battery 102 Rear Battery 147 Front Middle Stage Cross Frame (Cross Frame)
230 Code storage (cable storage)
245 charging cord (charging cable)
309 Air guide outlet R2 Air guide area L2 Air guide center line 313, 313A, 313B Article storage box (article storage)
315 Air guide hole (air guide part)
x1 left-right direction outer end part x2 left-right direction inner end part 313Aw bottom wall part (wall part)
318 Opening 318a Maintenance lid (second lid)
s1 Ventilation passage 319 Reserve battery 319a Reserve battery storage 320 PCU (Power control unit)
x3 Left and right outer end 321 PDU (high voltage base)
322 ECU (control board)
323 Junction Box (Distributor)
324 Contactor 325 Charger
CT Center tunnel CT1 Top part CT2 Lowest part 333 Radiating fin L1 Extension line 331a Terminal connection part (first connection part)
331c rib (insulating member)
336a Terminal connection part (second connection part)

[0002]
The article storage unit (313) is disposed inside the center tunnel (CT), above the power control unit (320) inside the center tunnel (CT), and in front of the seat (8) on which an occupant is seated. , 313A, 313B) are arranged, and the article storage section (313) is a cord storage section (230) for storing the charging cord (245).
According to this configuration, the article storage unit is arranged inside the center tunnel in a space avoiding the power control unit. Therefore, it is possible to secure the article storage portion in the limited space of the vehicle and improve the convenience of the vehicle.
[0007]
[0008]
One aspect of the present invention is an electric motor (30) for driving a vehicle, a battery (100) for supplying electric power to the electric motor (30), and a power control unit (320) for controlling the electric motor (30). A saddle-ride type electric vehicle (1, 1A, 1B) including a step floor (9) on which an occupant rests his foot, and a center tunnel (CT) extending in the vehicle front-rear direction at the left and right center portions of the step floor (9). ), the power control unit (320) is disposed inside the center tunnel (CT), and inside the center tunnel (CT) above the power control unit (320), an article storage unit (313). , 313A, 313B) are arranged, the power control unit (320) includes a first connecting portion (331a) for connecting a high voltage line, and the first connecting portion (331a) is at least partially A second lid (318a) is provided on the wall portion (313Aw) that faces the wall portion (313Aw) of the article storage portion (313A) and that faces the first connection portion (331a) of the article storage portion (313A). An opening (318) having is formed.
According to this configuration, the first connection portion can be accessed from the inside of the article storage unit. Therefore, the maintainability of the power control unit can be ensured while disposing the article storage section above the power control unit.
[0009]
According to an aspect of the present invention, an air guide portion (315) for guiding traveling wind into the center tunnel (CT) is provided in front of the center tunnel (CT), and the power control unit (320) and the power control unit (320) are provided. The wall (313Aw) of the article storage (313A) forms an air passage (s1) through which the traveling wind introduced from the air guide (315) into the center tunnel (CT) flows from front to back. There is.

[0003]
According to this configuration, the traveling wind introduced from the air guide into the center tunnel flows through the air passage between the power control unit and the wall of the article storage. Therefore, the traveling wind is rectified to increase the flow velocity, and the cooling performance of the power control unit can be improved.
[0010]
In one aspect of the present invention, the power control unit (320) includes a heat radiation fin (333) at a portion facing the ventilation passage (s1).
According to this configuration, the radiating fins are satisfactorily cooled by the traveling air flowing between the power control unit and the wall of the article storage unit. Therefore, the cooling performance of the power control unit can be further improved.
[0011]
In one aspect of the present invention, a lid (313a) that opens and closes the article storage units (313, 313A, 313B) is provided on an upper surface portion (CT1) of the center tunnel (CT).
With this configuration, the article storage unit can be accessed from the upper surface of the center tunnel. Therefore, the occupant can easily access the article storage unit while sitting on the seat, and the convenience of the vehicle can be further improved.
Effect of the invention [0012]
According to the aspects of the present invention, it is possible to provide a saddle-ride type electric vehicle that can secure an article storage portion in a limited space.
Brief Description of the Drawings [0013]
FIG. 1 is a left side view of the motorcycle according to the embodiment.
[FIG. 2] FIG. 2 is a view in which a vehicle body cover and the like are removed in FIG. 1.
FIG. 3 is a left side view showing the arrangement of components in the center tunnel according to the embodiment.
FIG. 4 is a sectional view taken along line IV-IV in FIG.
FIG. 5 is a front view of the motorcycle according to the embodiment.
FIG. 6 is a left side view showing the arrangement of specific components according to the embodiment.
FIG. 7 is a top view showing the arrangement of specific components according to the embodiment.

[0001]
Technical field [0001]
The present invention relates to a saddle-ride type electric vehicle.
BACKGROUND ART [0002]
For example, Patent Document 1 discloses a saddle type electric vehicle in which a battery is arranged in a center tunnel.
Prior Art Document Patent Document [0003]
Patent Document 1: Japanese Unexamined Patent Publication No. 2012-153327 SUMMARY OF THE INVENTION Problems to be Solved by the Invention [0004]
By the way, the saddle-ride type electric vehicle includes a power control unit for controlling energy from the battery to the electric motor. In Patent Document 1, the power control unit is arranged in the space behind the battery. In this case, the power control unit projects into the space below the seat, but particularly in the saddle-ride type electric vehicle, it is required to secure the article storage section in a limited space.
[0005]
Therefore, the present invention provides a saddle-ride type electric vehicle that can secure an article storage portion in a limited space.
Means for Solving the Problems [0006]
One aspect of the present invention is an electric motor (30) for driving a vehicle, a battery (100) for supplying electric power to the electric motor (30), and a power control unit (320) for controlling the electric motor (30). A step floor (9) on which an occupant rests his foot, and a center tunnel (CT) extending in the vehicle front-rear direction at the left and right central portions of the step floor (9). In a low-floor saddle-ride type electric vehicle (1, 1A, 1B) in which a space (CT3) is formed, the power control unit (320) is

[0002]
The article storage unit (313) is disposed inside the center tunnel (CT), above the power control unit (320) inside the center tunnel (CT), and in front of the seat (8) on which an occupant is seated. , 313A, 313B) are arranged, and the article storage section (313) is a cord storage section (230) for storing the charging cord (245), and is mounted on the low-floor saddle type electric vehicle. A charger (325) for charging the battery (100), and the charger (325) is arranged below the article storage unit (313) including the charging cord (245).
According to this configuration, the article storage unit is arranged inside the center tunnel in a space avoiding the power control unit. Therefore, it is possible to secure the article storage portion in the limited space of the vehicle and improve the convenience of the vehicle.
[0007]
[0008]
One aspect of the present invention is an electric motor (30) for traveling a vehicle, a battery (100) for supplying electric power to the electric motor (30), and a power control unit (320) for controlling the electric motor (30). A low-floor saddle-type electric vehicle (1) including a step floor (9) on which an occupant rests his foot, and a center tunnel (CT) extending in the vehicle front-rear direction at the left and right central portions of the step floor (9). , 1A, 1B), the power control unit (320) is disposed inside the center tunnel (CT), and inside the center tunnel (CT) above the power control unit (320), an article is provided. Storage parts (313, 313A, 313B) are arranged, the power control unit (320) includes a first connection part (331a) for connecting a high voltage line, and the first connection part (331a) is at least A second lid is provided on a wall portion (313Aw) that partially faces the wall portion (313Aw) of the article storage unit (313A) and faces the first connection portion (331a) of the article storage unit (313A). An opening (318) having (318a) is formed.
According to this structure, the first connection portion can be accessed from the inside of the article storage portion. Therefore, the maintainability of the power control unit can be ensured while disposing the article storage section above the power control unit.
[0009]
According to an aspect of the present invention, an air guide portion (315) for guiding traveling wind into the center tunnel (CT) is provided in front of the center tunnel (CT), and the power control unit (320) and the power control unit (320) are provided. The wall (313Aw) of the article storage (313A) forms an air passage (s1) through which the traveling wind introduced from the air guide (315) into the center tunnel (CT) flows from front to back. There is.

Claims (6)

An electric motor (30) for driving the vehicle,
A battery (100) for supplying electric power to the electric motor (30),
A power control unit (320) for controlling the electric motor (30),
The step floor (9) on which the passengers put their feet,
A saddle-ride type electric vehicle (1, 1A, 1B) including a center tunnel (CT) extending in the vehicle front-rear direction at the left-right center of the step floor (9),
The power control unit (320) is disposed inside the center tunnel (CT),
A saddle type electric vehicle in which an article storage unit (313, 313A, 313B) is arranged above the power control unit (320) inside the center tunnel (CT).   The saddle-ride type electric vehicle according to claim 1, wherein a lid (313a) that opens and closes the article storage units (313, 313A, 313B) is provided on an upper surface portion (CT1) of the center tunnel (CT). The power control unit (320) includes a first connection part (331a) for connecting a high voltage line,
At least a part of the first connection part (331a) faces the wall part (313Aw) of the article storage part (313A),
An opening (318) having a second lid (318a) is formed in a wall (313Aw) of the article storage section (313A) facing the first connection section (331a). Saddle-type electric vehicle described in. In front of the center tunnel (CT), an air guide portion (315) that guides traveling wind into the center tunnel (CT) is provided.
Due to the power control unit (320) and the wall portion (313Aw) of the article storage portion (313A), traveling wind introduced from the air guide portion (315) into the center tunnel (CT) flows from front to back. The saddle-ride type electric vehicle according to claim 3, wherein a ventilation passage (s1) is formed.   The saddle-ride type electric vehicle according to claim 4, wherein the power control unit (320) includes a radiation fin (333) at a portion facing the ventilation passage (s1). In addition to the battery (100), a reserve battery (319) capable of supplying electric power to the electric motor (30) is provided,
The saddle-ride type according to any one of claims 1 to 5, wherein at least a part of the article storage unit (313A) includes a reserve battery storage unit (319a) that stores the reserve battery (319). Electric vehicle.

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