WO2024201845A1 - Véhicule électrique de type à enfourcher - Google Patents

Véhicule électrique de type à enfourcher Download PDF

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Publication number
WO2024201845A1
WO2024201845A1 PCT/JP2023/012973 JP2023012973W WO2024201845A1 WO 2024201845 A1 WO2024201845 A1 WO 2024201845A1 JP 2023012973 W JP2023012973 W JP 2023012973W WO 2024201845 A1 WO2024201845 A1 WO 2024201845A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
vehicle
saddle
control unit
electric motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2023/012973
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English (en)
Japanese (ja)
Inventor
雅文 清水
中村　永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Priority to PCT/JP2023/012973 priority Critical patent/WO2024201845A1/fr
Publication of WO2024201845A1 publication Critical patent/WO2024201845A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J43/00—Arrangements of batteries
    • B62J43/10—Arrangements of batteries for propulsion
    • B62J43/16—Arrangements of batteries for propulsion on motorcycles or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M7/00—Motorcycles characterised by position of motor or engine
    • B62M7/02—Motorcycles characterised by position of motor or engine with engine between front and rear wheels

Definitions

  • This invention relates to a saddle-type electric vehicle that includes an electric motor, a battery, and a motor control unit and is driven by the electric motor.
  • the saddle-type electric vehicle includes an electric motor, a battery, and a motor control unit.
  • the electric motor, battery, and motor control unit are large in size and weight.
  • the electric motor and motor control unit are positioned lower than the battery in the vertical direction of the vehicle, and the motor control unit is positioned forward of the electric motor in the longitudinal direction of the vehicle.
  • the electric motor, battery, and motor control unit are components that generate heat and need to be cooled efficiently.
  • the layout of the electric motor, battery, and motor control unit leaves room for improvement in terms of cooling efficiency.
  • the object of the present invention is to provide a saddle-type electric vehicle that can improve the cooling efficiency of the battery, electric motor, and motor control unit by optimizing the layout of the battery, electric motor, and motor control unit.
  • a saddle-type electric vehicle has the following configuration.
  • a saddle-ride type electric vehicle including a battery that supplies electric power, an electric motor that drives drive wheels with the electric power supplied from the battery, a motor control unit that controls the electric motor, and a seat on which a rider sits, wherein, in a side view of the saddle-ride type electric vehicle in an upright state, at least a part of the battery is located higher in the vehicle vertical direction than an upper end of the electric motor or lower in the vehicle vertical direction than a lower end of the electric motor, and at least a part of the battery is located higher in the vehicle vertical direction than an upper end of the motor control unit or lower in the vehicle vertical direction than the lower end of the motor control unit, and a front end of the battery is located forward in the vehicle longitudinal direction than a front end of the seat, and the electric motor is disposed such that, in a side view of the saddle-ride type electric vehicle in an upright state, At least a part of the electric motor is positioned higher in the vehicle vertical direction than
  • At least a part of the battery is disposed so as to be located higher in the vehicle up-down direction than an upper end of the electric motor or lower in the vehicle up-down direction than a lower end of the electric motor. And, in a side view of the saddle riding type electric vehicle in the upright state, at least a part of the battery is disposed so as to be located higher in the vehicle up-down direction than an upper end of the motor control unit or lower in the vehicle up-down direction than a lower end of the motor control unit.
  • At least a part of the electric motor is disposed so as to be located higher in the vehicle up-down direction than an upper end of the battery or lower in the vehicle up-down direction than a lower end of the battery.
  • at least a part of the electric motor is disposed so as to be located higher in the vehicle up-down direction than an upper end of the motor control unit or lower in the vehicle up-down direction than a lower end of the motor control unit.
  • the motor control unit is disposed so that, in a side view of the saddle riding type electric vehicle in an upright state, at least a part of the motor control unit is located higher in the vehicle up-down direction than an upper end of the battery or lower in the vehicle up-down direction than a lower end of the battery.
  • the motor control unit is disposed so that, in a side view of the saddle riding type electric vehicle in an upright state, at least a part of the motor control unit is located higher in the vehicle up-down direction than an upper end of the electric motor or lower in the vehicle up-down direction than a lower end of the electric motor. Therefore, while the saddle riding type electric vehicle is traveling, the battery, the electric motor, and the motor control unit are more likely to be exposed to airflow generated by traveling.
  • the front end of the battery is disposed so as to be located further forward in the vehicle fore-and-aft direction than the front end of the seat.
  • the front end of the electric motor may be disposed so as to be located further forward in the vehicle fore-and-aft direction than the front end of the seat.
  • the front end of the motor control unit may be disposed so as to be located further forward in the vehicle fore-and-aft direction than the front end of the seat.
  • a saddle-type electric vehicle may have the following configuration.
  • the battery is positioned so that an upper end of the battery is positioned higher in the vehicle vertical direction than an upper end of the electric motor, and the electric motor is positioned so that an upper end of the electric motor is positioned higher in the vehicle vertical direction than an upper end of the motor control unit.
  • the battery, electric motor, and motor control unit are arranged in this order from top to bottom in the vertical direction of the vehicle.
  • the relatively heavy battery and electric motor so that they are positioned higher in the vertical direction of the vehicle than the motor control unit, the weight balance of the saddle-riding type electric vehicle can be ensured.
  • the motor control unit which is relatively small in size and has a high degree of freedom in shape, so that it is positioned lower in the vertical direction of the vehicle than the battery and electric motor, it becomes easier to ensure the bank angle when the saddle-riding type electric vehicle tilts. This makes it possible to increase the cooling efficiency of the battery, electric motor, and motor control unit while ensuring the weight balance of the saddle-riding type electric vehicle and the bank angle when the saddle-riding type electric vehicle tilts.
  • a saddle-type electric vehicle may have the following configuration.
  • the battery, the electric motor, and the motor control unit are each individually and detachably mounted on the saddle-type electric vehicle.
  • the battery, electric motor, and motor control unit mounted on the saddle-type electric vehicle are each configured to be individually detachable. This increases the freedom of arrangement of the battery, electric motor, and motor control unit, allowing for greater flexibility in their placement. This makes it possible to improve the cooling efficiency of the battery, electric motor, and motor control unit.
  • a saddle-type electric vehicle may have the following configuration.
  • the battery is positioned so that, when viewed from the side of the saddle-type electric vehicle in an upright state, a lower end of the battery is positioned higher in the vehicle vertical direction than an upper end of the electric motor, and the electric motor is positioned so that, when viewed from the side of the saddle-type electric vehicle in an upright state, a lower end of the electric motor is positioned higher in the vehicle vertical direction than an upper end of the motor control unit.
  • the battery, electric motor, and motor control unit are positioned so that there is a gap between the battery and electric motor, and between the electric motor and motor control unit in the vertical direction of the vehicle.
  • the battery, electric motor, and motor control unit are more likely to be exposed to the airflow generated by the traveling. This can further improve the cooling efficiency of the battery, electric motor, and motor control unit.
  • a saddle-type electric vehicle may have the following configuration.
  • the electric motor is positioned so that, when viewed from the side of the saddle-riding electric vehicle in an upright state, the rear end of the electric motor is located rearward in the vehicle fore-and-aft direction than the front end of the battery and forward in the vehicle fore-and-aft direction than the rear end of the battery, and/or the motor control unit is positioned so that, when viewed from the side of the saddle-riding electric vehicle in an upright state, the rear end of the motor control unit is located rearward in the vehicle fore-and-aft direction than the front end of the electric motor and forward in the vehicle fore-and-aft direction than the rear end of the electric motor.
  • the electric motor is disposed so that, in a side view of the saddle-riding electric vehicle in an upright state, the rear end of the electric motor is located rearward of the front end of the battery in the vehicle fore-and-aft direction, and further forward of the rear end of the battery in the vehicle fore-and-aft direction.
  • the motor control unit is disposed so that, in a side view of the saddle-riding electric vehicle in an upright state, the rear end of the motor control unit is located rearward of the front end of the electric motor in the vehicle fore-and-aft direction, and further forward of the rear end of the electric motor in the vehicle fore-and-aft direction.
  • the electric motor and the battery, and the motor control unit and the electric motor can be disposed overlapping in the vehicle fore-and-aft direction. Therefore, while the saddle-riding electric vehicle is traveling, the battery, the electric motor, and the motor control unit are more likely to be exposed to the airflow generated by traveling. This increases the cooling efficiency of the battery, the electric motor, and the motor control unit.
  • a saddle-type electric vehicle may have the following configuration. At least one of the battery, the electric motor, and the motor control unit is attached to the saddle-type electric vehicle so that the position of the at least one of the battery, the electric motor, and the motor control unit can be changed relatively to the other components of the battery, the electric motor, and the motor control unit.
  • the position of at least one of the battery, electric motor, and motor control unit can be changed relative to the other components.
  • the positions of the battery, electric motor, and motor control unit can be adjusted taking into account the center of gravity balance of the saddle-type electric vehicle, etc.
  • a saddle-type electric vehicle may have the following configuration.
  • a portion of the battery is covered by a cover that includes a knee grip portion with which the knees of a rider seated on the seat come into contact, and the cover is formed so that at least a portion of the upper surface of the battery is exposed when viewed from above the saddle-type electric vehicle in an upright position.
  • the cover including the knee grip portion is formed so that, when viewed from above with the saddle-riding electric vehicle in an upright state, at least a portion of the upper surface of the battery is exposed to the external space of the saddle-riding electric vehicle. This makes it easier for heat generated by the battery to be released through the gap where the battery is exposed from the cover, compared to when the entire battery is covered with the cover. Furthermore, it may also be easier for heat generated by the electric motor and motor control unit to be released. This can improve the cooling efficiency of the battery, electric motor, and motor control unit.
  • a saddle-type electric vehicle may have the following configuration.
  • the battery is further provided with a head pipe, and is positioned so that, in a side view of the saddle-type electric vehicle in an upright state, a front end of the battery is located rearward in the fore-and-aft direction of the vehicle than a rear end of the head pipe and forward in the fore-and-aft direction of the vehicle than a front end of the seat, and the battery is positioned so that, in a side view of the saddle-type electric vehicle in an upright state, a front end of a bottom surface of the battery is located lower in the vertical direction of the vehicle than a rear end of a bottom surface of the battery.
  • the location behind the head pipe in the vehicle longitudinal direction and forward of the seat in the vehicle longitudinal direction is a location with relatively ample space.
  • the battery which is relatively large among the battery, electric motor, and motor control unit, can be arranged in a location with relatively ample space, thereby improving the cooling efficiency of the battery, electric motor, and motor control unit.
  • the battery is arranged at an incline so that the front end of its bottom surface is located lower in the vehicle vertical direction than the rear end. By arranging the battery in this manner, it becomes easier to attach and detach the battery.
  • the area of the saddle-type electric vehicle viewed from the front is larger than when the battery is arranged so that the front end and rear end of the bottom surface are in the same position. Therefore, while the saddle-type electric vehicle is traveling, the battery, electric motor, and motor control unit are more likely to be exposed to the airflow generated by traveling. This improves the cooling efficiency of the battery, electric motor, and motor control unit.
  • a saddle-type electric vehicle is a saddle-type vehicle having drive wheels driven by an electric motor.
  • a saddle-type electric vehicle is a vehicle on which a rider (driver) rides while straddling the saddle.
  • Examples of saddle-type electric vehicles include motorcycles, motor tricycles, four-wheeled buggies (ATVs: All Terrain Vehicles), snowmobiles, etc.
  • the drive wheels driven by an electric motor may be the rear wheels, the front wheels, or both the front and rear wheels.
  • an upright saddle-type electric vehicle refers to a saddle-type electric vehicle that is not traveling and is stationary on a horizontal road surface with the vehicle up-down direction aligned with the vertical direction.
  • a front view of an upright saddle-type electric vehicle refers to a saddle-type electric vehicle in an upright state as seen from the front in the vehicle longitudinal direction.
  • a side view of an upright saddle-type electric vehicle refers to a saddle-type electric vehicle in an upright state as seen from the left or right in the vehicle lateral direction perpendicular to the vehicle longitudinal direction and the vehicle up-down direction.
  • a top view of an upright saddle-type electric vehicle refers to a saddle-type electric vehicle in an upright state as seen from above in the vehicle vertical direction. Note that the positional relationship of each part of an upright saddle-type electric vehicle in a front view, side view, or top view refers to a positional relationship regardless of whether or not it is visible when actually viewing the upright saddle-type electric vehicle.
  • the battery is a battery that can be repeatedly charged and discharged, and supplies power to at least the electric motor and the motor control unit.
  • the electric motor receives power from the battery to rotate and drive the drive wheels.
  • the motor control unit controls the rotation speed of the electric motor and controls the power of the battery supplied to the electric motor.
  • the battery, electric motor, and motor control unit may each be individually and detachably mounted on the saddle-type electric vehicle. Alternatively, any two of the battery, electric motor, and motor control unit may be combined and detachably mounted on the saddle-type electric vehicle. Alternatively, the battery, electric motor, and motor control unit may all be integrally and detachably mounted on the saddle-type electric vehicle.
  • the head pipe is a part of the body frame and is a component that rotatably supports the steering shaft inside.
  • the head pipe is provided at the front of the body frame.
  • the body frame is a component that supports the seat, battery, electric motor, and motor control unit.
  • the end of a part means the combined part of the end of the part and its adjacent area.
  • the position of the end of a part in the vehicle's fore-and-aft direction or vehicle's up-and-down direction means the position of the end of the part in the vehicle's fore-and-aft direction or vehicle's up-and-down direction.
  • A when A is disposed forward of B in the vehicle longitudinal direction, it refers to the following state.
  • A is disposed forward of a plane that passes through the foremost end of B and is perpendicular to the vehicle longitudinal direction.
  • A when A is disposed rearward of B in the vehicle longitudinal direction, it refers to the following state.
  • A is disposed rearward of a plane that passes through the rearmost end of B and is perpendicular to the vehicle longitudinal direction. In this case, A and B may or may not be lined up along the vehicle longitudinal direction.
  • A when A is disposed upward of B in the vehicle vertical direction, it refers to the following state.
  • A is disposed upward of a plane that passes through the topmost end of B and is perpendicular to the vehicle vertical direction.
  • A when A is disposed downward of B in the vehicle vertical direction, it refers to the following state.
  • A is disposed downward of a plane that passes through the bottommost end of B and is perpendicular to the vehicle vertical direction.
  • a and B may or may not be lined up along the vehicle vertical direction.
  • At least one (one side) of the multiple options includes all possible combinations of the multiple options. At least one (one side) of the multiple options may be any one of the multiple options, or may be all of the multiple options. For example, at least one of A, B, and C may be only A, only B, only C, A and B, A and C, B and C, or A, B, and C.
  • the invention may have a plurality of the element. Also, the invention may have only one of the element.
  • the term “preferable” is non-exclusive.
  • Preferable means “preferable, but not limited to.”
  • a configuration described as “preferable” exhibits at least the above-mentioned effects obtained by the present invention.
  • the term “may (may)” is non-exclusive.
  • may (may)” means “may (may) but is not limited to this.”
  • “may (may)” implicitly includes the case where "does not (is not).”
  • a configuration described as “may (may)” at least achieves the above-mentioned effect obtained by the present invention.
  • the battery, electric motor, and motor control unit can be arranged in an ingenious way to improve the cooling efficiency of the battery, electric motor, and motor control unit.
  • FIG. 1(a) to (d) are side views that typically show saddle-ride type electric vehicles according to first to fourth embodiments of the present invention
  • Fig. 1(a) and (b) are side views that typically show a saddle-ride type electric vehicle according to a sixth embodiment of the present invention
  • 2(a) and (b) are side views that typically show a saddle-type electric vehicle according to a fifth embodiment of the present invention
  • FIG. 3 is a side view showing a schematic view of a part of a saddle-type electric vehicle according to a sixth embodiment of the present invention
  • FIG. 4 is a side view showing a schematic view of a part of a saddle-type electric vehicle according to a seventh embodiment of the present invention.
  • FIG. 5 is a top view showing a schematic view of a part of a saddle-type electric vehicle according to a seventh embodiment of the present invention.
  • FIG. 6 is a side view showing a schematic view of a part of a saddle-type electric vehicle according to an eighth embodiment of the present invention.
  • U indicates the vehicle upward direction of the saddle riding type electric vehicle 1
  • D indicates the vehicle downward direction of the saddle riding type electric vehicle 1
  • L indicates the vehicle left direction of the saddle riding type electric vehicle 1
  • R indicates the vehicle right direction of the saddle riding type electric vehicle 1
  • F indicates the vehicle forward direction of the saddle riding type electric vehicle 1
  • Re indicates the vehicle rearward direction of the saddle riding type electric vehicle 1.
  • dashed lines along the vehicle vertical direction and the dashed lines along the vehicle longitudinal direction indicate the uppermost, lowermost, frontmost, or rearmost end of each component.
  • Fig. 1 is a side view of the saddle-type electric vehicle 1 in an upright state.
  • Fig. 1 is a side view of the saddle-type electric vehicle 1 in an upright state, as viewed from left to right in the vehicle left-right direction.
  • the saddle-type electric vehicle 1 includes a battery 2, an electric motor 3, a motor control unit 4, and a seat 5.
  • the battery 2 supplies electric power.
  • the electric motor 3 drives drive wheels with the electric power supplied from the battery 2.
  • the drive wheels are front wheels or rear wheels, or front wheels and rear wheels. In the example of Fig. 1, the drive wheels are front wheels.
  • the motor control unit 4 controls the electric motor 3.
  • the seat 5 is a seat on which a rider (not shown) sits.
  • the battery 2 is arranged such that, in a side view of the saddle-riding electric vehicle 1 in an upright state, the front end of the battery 2 is located further forward in the vehicle fore-and-aft direction than the front end of the seat 5.
  • the electric motor 3 is arranged such that, in a side view of the saddle-riding electric vehicle 1 in an upright state, the front end of the electric motor 3 is located further forward in the vehicle fore-and-aft direction than the front end of the seat 5.
  • the motor control unit 4 is arranged such that, in a side view of the saddle-riding electric vehicle 1 in an upright state, the front end of the motor control unit 4 is located further forward in the vehicle fore-and-aft direction than the front end of the seat 5.
  • the battery 2 is arranged so that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a part of the battery 2 is located higher in the vehicle vertical direction than the upper end of the electric motor 3 and higher in the vehicle vertical direction than the upper end of the motor control unit 4.
  • the electric motor 3 is arranged so that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a part of the electric motor 3 is located lower in the vehicle vertical direction than the lower end of the battery 2 and higher in the vehicle vertical direction than the upper end of the motor control unit 4.
  • the motor control unit 4 is arranged so that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a part of the motor control unit 4 is located lower in the vehicle vertical direction than the lower end of the battery 2 and lower in the vehicle vertical direction than the lower end of the electric motor 3.
  • the battery 2 is arranged so that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a part of the battery 2 is located higher in the vehicle vertical direction than the upper end of the electric motor 3, and higher in the vehicle vertical direction than the upper end of the motor control unit 4.
  • the electric motor 3 is arranged so that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a part of the electric motor 3 is located lower in the vehicle vertical direction than the lower end of the battery 2, and lower in the vehicle vertical direction than the lower end of the motor control unit 4.
  • the motor control unit 4 is arranged so that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a part of the motor control unit 4 is located lower in the vehicle vertical direction than the lower end of the battery 2, and higher in the vehicle vertical direction than the upper end of the electric motor 3.
  • the battery 2 is arranged so that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a part of the battery 2 is located lower in the vehicle vertical direction than the lower end of the electric motor 3 and lower in the vehicle vertical direction than the lower end of the motor control unit 4.
  • the electric motor 3 is arranged so that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a part of the electric motor 3 is located higher in the vehicle vertical direction than the upper end of the battery 2 and lower in the vehicle vertical direction than the lower end of the motor control unit 4.
  • the motor control unit 4 is arranged so that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a part of the motor control unit 4 is located higher in the vehicle vertical direction than the upper end of the battery 2 and higher in the vehicle vertical direction than the upper end of the electric motor 3.
  • the battery 2 may be arranged such that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a portion of the battery 2 is located lower in the vehicle up-down direction than the lower end of the electric motor 3, and is located higher in the vehicle up-down direction than the upper end of the motor control unit 4.
  • the electric motor 3 may be arranged such that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a portion of the electric motor 3 is located higher in the vehicle up-down direction than the upper end of the battery 2, and is located higher in the vehicle up-down direction than the upper end of the motor control unit 4.
  • the battery 2 may be arranged such that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a portion of the battery 2 is located lower in the vehicle vertical direction than the lower end of the motor control unit 4, and is located higher in the vehicle vertical direction than the upper end of the electric motor 3.
  • the motor control unit 4 may be arranged such that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a portion of the motor control unit 4 is located higher in the vehicle vertical direction than the upper end of the battery 2, and is located higher in the vehicle vertical direction than the upper end of the electric motor 3.
  • the electric motor 3 may be arranged such that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a portion of the electric motor 3 is located higher in the vehicle vertical direction than the upper end of the battery 2, and higher in the vehicle vertical direction than the upper end of the motor control unit 4.
  • the motor control unit 4 may be arranged such that, in a side view of the saddle-type electric vehicle 1 in an upright state, at least a portion of the motor control unit 4 is located higher in the vehicle vertical direction than the upper end of the battery 2, and lower in the vehicle vertical direction than the lower end of the electric motor 3.
  • the battery 2, electric motor 3, and motor control unit 4 are each individually and detachably mounted on the saddle-type electric vehicle 1. Any two of the battery 2, electric motor 3, and motor control unit 4 may be combined and detachably mounted on the saddle-type electric vehicle 1. Alternatively, the battery 2, electric motor 3, and motor control unit 4 may all be integrally and detachably mounted on the saddle-type electric vehicle 1.
  • the battery 2, electric motor 3, and motor control unit 4 are arranged in this manner, so that while the saddle-type electric vehicle 1 is traveling, the battery 2, electric motor 3, and motor control unit 4 are more likely to be exposed to the airflow generated by traveling. This can increase the cooling efficiency of the battery 2, electric motor 3, and motor control unit 4.
  • the second embodiment has the following configuration.
  • the battery 2 is arranged so that the upper end of the battery 2 is located higher in the vehicle vertical direction than the upper end of the electric motor 3.
  • the electric motor 3 is arranged so that the upper end of the electric motor 3 is located higher in the vehicle vertical direction than the upper end of the motor control unit 4.
  • the battery 2, electric motor 3, and motor control unit 4 are arranged in this order from top to bottom in the vehicle vertical direction.
  • the saddle-riding type electric vehicle 1 of the second embodiment can ensure the weight balance of the saddle-riding type electric vehicle 1 by arranging the relatively heavy battery 2 and electric motor 3 so that they are positioned higher in the vertical direction of the vehicle than the motor control unit 4.
  • the motor control unit 4 which is relatively small in size and has a high degree of freedom in shape, so that it is positioned lower in the vertical direction of the vehicle than the battery 2 and electric motor 3, it becomes easier to ensure the bank angle when the saddle-riding type electric vehicle 1 tilts. This makes it possible to increase the cooling efficiency of the battery 2, electric motor 3, and motor control unit 4 while ensuring the weight balance of the saddle-riding type electric vehicle 1 and the bank angle when the saddle-riding type electric vehicle 1 tilts.
  • FIG. 1(a) to 1(d) A saddle riding type electric vehicle 1 according to a third embodiment of the present invention will be described with reference to Figures 1(a) to 1(d).
  • the third embodiment has the following configuration.
  • the battery 2, electric motor 3, and motor control unit 4 are each individually and detachably mounted on the saddle riding type electric vehicle 1.
  • the battery 2, electric motor 3, and motor control unit 4 mounted on the saddle riding type electric vehicle 1 are each configured to be individually detachable.
  • the saddle-type electric vehicle 1 of the third embodiment provides greater freedom in the arrangement of the battery 2, electric motor 3, and motor control unit 4, and allows for greater flexibility in their arrangement. This allows for greater cooling efficiency for the battery 2, electric motor 3, and motor control unit 4.
  • the fourth embodiment has the following configuration.
  • the battery 2 is arranged such that the lower end of the battery 2 is located higher in the vehicle vertical direction than the upper end of the electric motor 3 when viewed from the front of the saddle riding type electric vehicle 1 in an upright state.
  • the electric motor 3 is arranged such that the lower end of the electric motor 3 is located higher in the vehicle vertical direction than the upper end of the motor control unit 4 when viewed from the front of the saddle riding type electric vehicle 1 in an upright state.
  • the battery 2, the electric motor 3, and the motor control unit 4 are arranged such that a gap is provided between the battery 2 and the electric motor 3, and between the electric motor 3 and the motor control unit 4, in the vehicle vertical direction.
  • the battery 2 may be arranged such that the lower end of the battery 2 is located higher in the vehicle vertical direction than the upper end of the motor control unit 4 when viewed from the front of the saddle-riding electric vehicle 1 in an upright state.
  • the electric motor 3 may be arranged such that the lower end of the motor control unit 4 is located higher in the vehicle vertical direction than the upper end of the electric motor 3 when viewed from the front of the saddle-riding electric vehicle 1 in an upright state.
  • the battery 2, electric motor 3, and motor control unit 4 may be arranged such that a gap is provided between the battery 2 and the motor control unit 4, and between the motor control unit 4 and the electric motor 3, in the vehicle vertical direction.
  • the battery 2 may be arranged such that the lower end of the motor control unit 4 is located higher in the vehicle vertical direction than the upper end of the electric motor 3 when viewed from the front of the saddle-type electric vehicle 1 in an upright state.
  • the electric motor 3 may be arranged such that the lower end of the electric motor 3 is located higher in the vehicle vertical direction than the upper end of the battery 2 when viewed from the front of the saddle-type electric vehicle 1 in an upright state.
  • the battery 2, electric motor 3, and motor control unit 4 may be arranged such that a gap is provided between the motor control unit 4 and electric motor 3, and between the electric motor 3 and battery 2, in the vehicle vertical direction.
  • the electric motor 3 may be arranged such that the lower end of the electric motor 3 is located higher in the vehicle vertical direction than the upper end of the battery 2 when viewed from the front of the saddle-type electric vehicle 1 in an upright state.
  • the battery 2 may be arranged such that the lower end of the battery 2 is located higher in the vehicle vertical direction than the upper end of the motor control unit 4 when viewed from the front of the saddle-type electric vehicle 1 in an upright state.
  • the battery 2, electric motor 3, and motor control unit 4 may be arranged such that a gap is provided between the electric motor 3 and battery 2, and between the battery 2 and motor control unit 4, in the vehicle vertical direction.
  • the motor control unit 4 may be arranged such that the lower end of the motor control unit 4 is located higher in the vehicle vertical direction than the upper end of the battery 2 when viewed from the front of the saddle-type electric vehicle 1 in an upright state.
  • the battery 2 may be arranged such that the lower end of the battery 2 is located higher in the vehicle vertical direction than the upper end of the electric motor 3 when viewed from the front of the saddle-type electric vehicle 1 in an upright state.
  • the battery 2, the electric motor 3, and the motor control unit 4 may be arranged such that a gap is provided between the motor control unit 4 and the battery 2, and between the battery 2 and the electric motor 3, in the vehicle vertical direction.
  • the electric motor 3 may be arranged such that the lower end of the electric motor 3 is located higher in the vehicle vertical direction than the upper end of the motor control unit 4 when viewed from the front of the saddle-type electric vehicle 1 in an upright state.
  • the motor control unit 4 may also be arranged such that the lower end of the motor control unit 4 is located higher in the vehicle vertical direction than the upper end of the battery 2 when viewed from the front of the saddle-type electric vehicle 1 in an upright state.
  • the battery 2, electric motor 3, and motor control unit 4 may be arranged such that a gap is provided between the electric motor 3 and the motor control unit 4, and between the motor control unit 4 and the battery 2, in the vehicle vertical direction.
  • the battery 2, the electric motor 3, and the motor control unit 4 are more likely to be exposed to the airflow generated by the traveling. This can further improve the cooling efficiency of the battery 2, the electric motor 3, and the motor control unit 4.
  • FIG. 2(a) is a diagram in which dashed lines indicating the rear end of the battery 2, the rear end of the electric motor 3, and the rear end of the motor control unit 4 are added to Fig. 1(a).
  • Fig. 2(b) is a diagram in which dashed lines indicating the rear end of the battery 2, the rear end of the electric motor 3, and the rear end of the motor control unit 4 are added to Fig. 1(b). As shown in Figs.
  • the electric motor 3 is disposed such that, in a side view of the saddle-type electric vehicle 1 in an upright state, the rear end of the electric motor 3 is located rearward of the front end of the battery 2 in the vehicle longitudinal direction and is located forward of the rear end of the battery 2 in the vehicle longitudinal direction.
  • the motor control unit 4 is disposed such that, in a side view of the saddle riding type electric vehicle 1 in an upright state, the rear end of the motor control unit 4 is located rearward in the vehicle fore-and-aft direction from the front end of the electric motor 3, and is located forward in the vehicle fore-and-aft direction from the rear end of the electric motor 3.
  • the battery 2 is disposed such that, in a side view of the saddle riding type electric vehicle 1 in an upright state, the front end of the battery 2 is located rearward in the vehicle fore-and-aft direction from the front end of the motor control unit 4, and is located forward in the vehicle fore-and-aft direction from the rear end of the motor control unit 4.
  • the electric motor 3 may be disposed such that, in a side view of the saddle-riding electric vehicle 1 in an upright state, the front end of the electric motor 3 is located rearward of the front end of the battery 2 in the vehicle fore-and-aft direction, and further forward of the rear end of the battery 2 in the vehicle fore-and-aft direction.
  • the motor control unit 4 may be disposed such that, in a side view of the saddle-riding electric vehicle 1 in an upright state, the front end of the motor control unit 4 is located rearward of the front end of the electric motor 3 in the vehicle fore-and-aft direction, and further forward of the rear end of the electric motor 3 in the vehicle fore-and-aft direction.
  • the battery 2 may be disposed such that, in a side view of the saddle-riding electric vehicle 1 in an upright state, the rear end of the battery 2 is located rearward of the front end of the motor control unit 4 in the vehicle fore-and-aft direction, and further forward of the rear end of the motor control unit 4 in the vehicle fore-and-aft direction.
  • the electric motor 3 may be arranged such that, in a side view of the saddle-riding electric vehicle 1 in the upright state, the rear end of the electric motor 3 is located rearward of the front end of the motor control unit 4 in the vehicle fore-and-aft direction, and is located forward of the rear end of the motor control unit 4 in the vehicle fore-and-aft direction.
  • the electric motor 3 may be arranged such that, in a side view of the saddle-riding electric vehicle 1 in the upright state, the front end of the electric motor 3 is located rearward of the front end of the motor control unit 4 in the vehicle fore-and-aft direction, and is located forward of the rear end of the motor control unit 4 in the vehicle fore-and-aft direction.
  • the motor control unit 4 may be arranged such that, in a side view of the saddle-riding electric vehicle 1 in the upright state, the rear end of the motor control unit 4 is located rearward of the front end of the battery 2 in the vehicle fore-and-aft direction, and is located forward of the rear end of the battery 2 in the vehicle fore-and-aft direction.
  • the motor control unit 4 may be arranged such that, in a side view of the saddle-riding electric vehicle 1 in the upright state, the front end of the motor control unit 4 is located rearward of the front end of the battery 2 in the vehicle fore-and-aft direction, and is located forward of the rear end of the battery 2 in the vehicle fore-and-aft direction.
  • the battery 2 may be arranged such that, in a side view of the saddle-type electric vehicle 1 in an upright state, the rear end of the battery 2 is located rearward in the vehicle fore-and-aft direction from the front end of the electric motor 3, and is located forward in the vehicle fore-and-aft direction from the rear end of the electric motor 3.
  • the battery 2 may be arranged such that, in a side view of the saddle-type electric vehicle 1 in an upright state, the front end of the battery 2 is located rearward in the vehicle fore-and-aft direction from the front end of the electric motor 3, and is located forward in the vehicle fore-and-aft direction from the rear end of the electric motor 3.
  • the battery 2, electric motor 3, and motor control unit 4 can be arranged side-by-side in the vertical direction of the vehicle when viewed from the front of the saddle-type electric vehicle 1 in an upright state. Therefore, while the saddle-type electric vehicle 1 is traveling, the battery 2, electric motor 3, and motor control unit 4 are more likely to be exposed to the airflow generated by traveling. This can improve the cooling efficiency of the battery 2, electric motor 3, and motor control unit 4.
  • a saddle riding type electric vehicle 1 according to a sixth embodiment of the present invention will be described with reference to Figures 1 and 3.
  • the sixth embodiment has the following configuration in addition to the configurations of the first to fifth embodiments.
  • the saddle riding type electric vehicle 1 according to the fifth embodiment is mounted on the saddle riding type electric vehicle 1 so that the position of at least one of the battery 2, the electric motor 3, and the motor control unit 4 can be changed relatively to the other components of the battery 2, the electric motor 3, and the motor control unit 4.
  • the battery 2 is housed in a battery case 11.
  • the battery case 11 is configured as a housing having a front wall 111 and a rear wall 112 arranged opposite each other in the vehicle longitudinal direction, and a bottom wall 113.
  • the battery case 11 in FIG. 3 is a housing having neither a left wall nor a right wall arranged opposite each other in the vehicle transverse direction, but may be a housing having at least one of a left wall or a right wall.
  • the battery case 11 is a roughly rectangular parallelepiped housing in the schematic diagram of FIG. 3, but may be a polyhedral housing.
  • the length of the battery case 11 in the vehicle longitudinal direction is longer than the length of the battery 2 in the vehicle longitudinal direction.
  • the spacer 12 is disposed in the battery case 11 to prevent the battery 2 from moving in the vehicle longitudinal direction.
  • the spacer 12 can be disposed between the front wall 111 shown by the solid line in FIG. 3 and the battery 2, or between the rear wall 112 shown by the two-dot chain line in FIG. 3 and the battery 2, in a side view of the saddle-type electric vehicle 1 in an upright state.
  • the spacer 12 can be disposed between the front wall 111 and the battery 2, and between the rear wall 112 and the battery 2, in a side view of the saddle-type electric vehicle 1 in an upright state, to change the position of the battery 2 in the vehicle vertical direction or vehicle longitudinal direction relative to the electric motor 3 and the motor control unit 4.
  • the position of the battery 2 in the vehicle vertical direction or vehicle longitudinal direction can be changed relative to the electric motor 3 and the motor control unit 4 by changing the position of the battery case 11 in the vehicle vertical direction or vehicle longitudinal direction.
  • the battery 2 is arranged so that, in a side view of the saddle-type electric vehicle 1 in an upright state, the front end of the bottom surface of the battery 2 is located lower in the vehicle up-down direction than the rear end of the bottom surface of the battery 2.
  • the battery 2 may be arranged so that the front end of the bottom surface of the battery 2 and the rear end of the bottom surface of the battery 2 are at the same position in the vehicle up-down direction.
  • the battery 2 may be arranged so that, in a side view of the saddle-type electric vehicle 1 in an upright state, the front end of the bottom surface of the battery 2 is located higher in the vehicle up-down direction than the rear end of the bottom surface of the battery 2.
  • the electric motor 3 is housed in a motor case 13.
  • the saddle-type electric vehicle 1 further includes a body frame 6.
  • a first bracket 131, a second bracket 132, and a third bracket 133 are attached to the body frame 6.
  • the motor case 13 is supported on the body frame 6 via the first bracket 131, the second bracket 132, and the third bracket 133.
  • the first bracket 131, the second bracket 132, and the third bracket 133 each have a plurality of mounting positions at which the motor case 13 can be mounted. As shown by the solid lines and the two-dot chain lines in FIG.
  • the brackets that attach the motor case 13 to the vehicle frame 6 are the first bracket 131, the second bracket 132, and the third bracket 133, but this is not limited to three, and it is sufficient that there is one or more.
  • a fourth bracket 14 is attached to the vehicle frame 6.
  • the motor control unit 4 is supported on the vehicle frame 6 via the fourth bracket 14.
  • the fourth bracket 14 has a plurality of mounting positions to which the motor control unit 4 can be attached. As shown by the solid line and the two-dot chain line in FIG. 3, by changing the mounting position of the motor control unit 4 relative to the fourth bracket 14, the position of the motor control unit 4 in the vertical direction or the longitudinal direction of the vehicle can be changed relative to the battery 2 and the electric motor 3. In addition, although not shown, by changing the fourth bracket 14 itself to a bracket of a different size or shape, the position of the motor control unit 4 in the vertical direction or the longitudinal direction of the vehicle can be changed relative to the battery 2 and the electric motor 3. In the example of FIG. 3, the bracket for mounting the motor control unit 4 to the vehicle frame 6 is the fourth bracket 14, but this is not limited thereto, and it is sufficient that there is one or more.
  • the motor control unit 4 is smaller in size and lighter in weight than the battery 2 and the electric motor 3. Therefore, the position of the motor control unit 4 can be adjusted after adjusting the positions of the battery 2 and the electric motor 3, taking into consideration the balance of the center of gravity of the saddle riding type electric vehicle 1, etc. Then, the position of the motor control unit 4 in the vertical direction or the front-rear direction of the vehicle can be changed relative to the battery 2 and the electric motor 3 to adjust the inclination angle of the bottom surface of the motor control unit 4. For example, as shown in FIG.
  • the motor control unit 4 may be disposed so that the front end of the bottom surface of the motor control unit 4 is located lower in the vertical direction of the vehicle than the rear end of the bottom surface of the motor control unit 4 in a side view of the saddle riding type electric vehicle 1 in an upright state.
  • the motor control unit 4 may be disposed so that the front end of the bottom surface of the motor control unit 4 is located higher in the vertical direction of the vehicle than the rear end of the bottom surface of the motor control unit 4 in a side view of the saddle riding type electric vehicle 1 in an upright state.
  • the position of at least one of the battery 2, electric motor 3, and motor control unit 4 can be changed relative to the other components.
  • the positions of the battery 2, electric motor 3, and motor control unit 4 can be changed to adjust the center of gravity balance of the saddle-type electric vehicle 1.
  • the positions of the battery 2 and electric motor 3 are determined, and then the position of the motor control unit 4 can be changed to fine-tune the center of gravity balance.
  • the saddle riding type electric vehicle 1 includes a cover 7 including a knee-grip portion 71, a center cowl 72, and a front cowl 73.
  • the saddle riding type electric vehicle 1 in Figs. 4 and 5 is an example, and it is sufficient that the cover 7 includes the knee-grip portion 71.
  • the cover 7 does not have to include the center cowl 72 and the front cowl 73.
  • the cover 7 may include a cowl other than the knee-grip portion 71, the center cowl 72, and the front cowl 73.
  • a part of the battery 2 is covered by the cover 7 including the knee grip portion 71 that contacts the knees of a rider seated on the seat 5.
  • the cover 7 is formed so that at least a part of the upper surface 21 of the battery 2 is exposed when viewed from above the saddle-riding electric vehicle 1 in an upright state.
  • the cover 7 is formed so that there is a gap 74 between the knee grip portion 71 and the center cowl 72.
  • the cover 7 is formed so that at least a part of the upper surface 21 of the battery 2 is exposed to the outside space through the gap 74.
  • the upper surface 21 of the battery 2 is the surface of the battery 2 when the upright saddle-riding electric vehicle 1 is viewed from above and below in the vehicle vertical direction.
  • the upper surface 21 of the battery 2 is not a surface that can actually be seen, but a surface that can be seen when it is assumed that only the battery 2 mounted on the upright saddle-riding electric vehicle 1 is viewed.
  • the cover 7 including the knee grip portion 71 is formed so that, when viewed from above the saddle-type electric vehicle 1 in an upright state, at least a portion of the upper surface 21 of the battery 2 is exposed to the external space of the saddle-type electric vehicle 1. This makes it easier for heat generated from the battery 2 to be released from the gap where the battery 2 is exposed from the cover 7, compared to when the entire battery 2 is covered by the cover 7. Furthermore, it may also be easier for heat generated from the electric motor 3 and the motor control unit 4 to be released. This can improve the cooling efficiency of the battery 2, the electric motor 3, and the motor control unit 4.
  • the eighth embodiment has the following configuration in addition to the configurations of the first to seventh embodiments.
  • the saddle riding type electric vehicle 1 further has a head pipe 61.
  • the head pipe 61 is a part of the body frame 6, and is provided at the front of the body frame 6.
  • the battery 2 is arranged so that, in a side view of the saddle-riding electric vehicle 1 in an upright state, the front end of the battery 2 is located rearward of the rear end of the head pipe 61 in the vehicle fore-and-aft direction, and forward of the front end of the seat 5 in the vehicle fore-and-aft direction.
  • the battery 2 in a side view of the saddle-riding electric vehicle 1 in an upright state, is arranged so that the front end of the bottom surface 22 of the battery 2 is located lower in the vehicle up-and-down direction than the rear end of the bottom surface 22 of the battery 2.
  • the bottom surface 22 of the battery 2 is the surface of the battery 2 when the upright saddle-riding electric vehicle 1 is viewed from below up in the vehicle up-and-down direction.
  • the bottom surface 22 of the battery 2 is not a surface that can actually be seen, but is a surface that can be seen assuming that only the battery 2 is viewed when mounted on the upright saddle-riding electric vehicle 1.
  • the area behind the head pipe 61 and in front of the seat 5 is a place with relatively ample space.
  • the battery 2, which is relatively large among the battery 2, the electric motor 3, and the motor control unit 4, is arranged in a place with relatively ample space, and the cooling efficiency of the battery 2, the electric motor 3, and the motor control unit 4 can be improved.
  • the battery 2 is arranged so as to be inclined so that the front end of the bottom surface 22 is located lower than the rear end. By arranging the battery 2 in this manner, the battery 2 can be easily attached and detached.
  • the area of the saddle-type electric vehicle 1 in a front view is larger than when the battery 2 is arranged so that the front end and the rear end of the bottom surface 22 are in the same position. Therefore, while the saddle-type electric vehicle 1 is traveling, the battery 2, the electric motor 3, and the motor control unit 4 are more likely to be exposed to the airflow generated by traveling. This makes it possible to improve the cooling efficiency of the battery 2, the electric motor 3, and the motor control unit 4.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

La présente invention concerne un véhicule électrique de type à enfourcher (1) comprenant une batterie (2), un moteur électrique (3), une unité de commande de moteur (4) et un siège (5). La batterie (2) est disposée de telle sorte que la partie extrémité avant de la batterie (2) est positionnée plus loin vers l'avant dans une direction longitudinale du véhicule que la partie extrémité avant du siège (5). La batterie (2) est disposée de telle sorte qu'au moins une partie de celle-ci est positionnée plus haut dans une direction verticale du véhicule que la partie extrémité supérieure du moteur électrique (3) et est positionnée plus haut dans la direction verticale du véhicule que la partie extrémité supérieure de l'unité de commande de moteur (4). Le moteur électrique (3) est disposé de telle sorte qu'au moins une partie de celui-ci est positionnée plus bas dans la direction verticale du véhicule que la partie extrémité inférieure de la batterie (2) et est positionnée plus haut dans la direction verticale du véhicule que la partie extrémité supérieure de l'unité de commande de moteur (4). L'unité de commande de moteur (4) est disposée de telle sorte qu'au moins une partie de celle-ci est positionnée plus bas dans la direction verticale du véhicule que la partie extrémité inférieure de la batterie (2) et est positionnée plus bas dans la direction verticale du véhicule que la partie extrémité inférieure du moteur électrique (3).
PCT/JP2023/012973 2023-03-29 2023-03-29 Véhicule électrique de type à enfourcher Ceased WO2024201845A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/012973 WO2024201845A1 (fr) 2023-03-29 2023-03-29 Véhicule électrique de type à enfourcher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/012973 WO2024201845A1 (fr) 2023-03-29 2023-03-29 Véhicule électrique de type à enfourcher

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WO2024201845A1 true WO2024201845A1 (fr) 2024-10-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120207486A (zh) * 2025-02-28 2025-06-27 浙江春风动力股份有限公司 电动摩托车

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009078621A (ja) * 2007-09-25 2009-04-16 Suzuki Motor Corp 燃料電池二輪車の燃料漏れ検知方法
JP2013071548A (ja) * 2011-09-27 2013-04-22 Honda Motor Co Ltd 電動車両
WO2013098890A1 (fr) * 2011-12-28 2013-07-04 川崎重工業株式会社 Véhicule électrique du type à selle
JP2019131146A (ja) * 2018-02-02 2019-08-08 ヤマハ発動機株式会社 鞍乗型電動車両
JP2020069875A (ja) * 2018-10-30 2020-05-07 本田技研工業株式会社 鞍乗り型電動車両

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009078621A (ja) * 2007-09-25 2009-04-16 Suzuki Motor Corp 燃料電池二輪車の燃料漏れ検知方法
JP2013071548A (ja) * 2011-09-27 2013-04-22 Honda Motor Co Ltd 電動車両
WO2013098890A1 (fr) * 2011-12-28 2013-07-04 川崎重工業株式会社 Véhicule électrique du type à selle
JP2019131146A (ja) * 2018-02-02 2019-08-08 ヤマハ発動機株式会社 鞍乗型電動車両
JP2020069875A (ja) * 2018-10-30 2020-05-07 本田技研工業株式会社 鞍乗り型電動車両

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120207486A (zh) * 2025-02-28 2025-06-27 浙江春风动力股份有限公司 电动摩托车

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