An electric vehicle can include a pair of left and right rear wheels configured to be driven by the rotary driving power of a motor supplied with electric power from a battery. A rear body can support the motor and rear wheels, and is attached at the back of a body frame. A battery box houses at lea
An electric vehicle can include a pair of left and right rear wheels configured to be driven by the rotary driving power of a motor supplied with electric power from a battery. A rear body can support the motor and rear wheels, and is attached at the back of a body frame. A battery box houses at least the battery, and is supported by a battery box supporting frame joined to the body frame below a seat of the vehicle. A monitoring board monitors the state of the battery, and can be located on top of the battery. A BMU collects information from the monitoring board, and a contactor opens and closes the connection between the battery and a drive circuit for the motor. The BMU and the contactor are housed in the battery box and in front of the battery.
대표청구항▼
1. An electric vehicle, comprising: a pair of left and right rear wheels configured to be driven by rotary driving power;a motor configured to be supplied with electric power from a battery, and to provide the rotary driving power;a rear body configured to support the motor and the rear wheels, said
1. An electric vehicle, comprising: a pair of left and right rear wheels configured to be driven by rotary driving power;a motor configured to be supplied with electric power from a battery, and to provide the rotary driving power;a rear body configured to support the motor and the rear wheels, said rear body being attached at a back of a body frame in a vertically swingable and transversely tiltable manner;a battery box configured to house at least the battery;a battery box supporting frame joined to the body frame underneath a seat of the electric vehicle, wherein the battery box is supported by the battery box supporting frame;a monitoring board configured to monitor a state of the battery, said monitoring board being located on a top of the battery;a battery management unit (BMU) configured to collect information from the monitoring board;a contactor configured to open and close a connection between the battery and a drive circuit for the motor, wherein the BMU and the contactor are housed in the battery box and disposed between a front facing side of the battery and the battery box supporting frame. 2. The electric vehicle according to claim 1, wherein the body frame includes a main frame joined to a head pipe for pivotally supporting a steering stem in a rotatable manner, extending downward in a vehicle rearward direction, a pair of left and right side frames joined to the main frame, extending in the vehicle rearward direction, a pair of left and right standing frames joined to the side frames, extending upward in the vehicle rearward direction, and a pair of left and right rear frames joined to the standing frames, extending in the vehicle rearward direction, andwherein the battery box supporting frame is supported by a cross pipe in a vehicle transverse direction which interconnects the left and right standing frames. 3. The electric vehicle according to claim 1, wherein the battery box supporting frame is formed so as to extend from the cross pipe toward a vehicle forward direction, andwherein the battery box is located above the cross pipe and above the battery box supporting frame. 4. The electric vehicle according to claim 1, further comprising a charge port configured to be connected with an external power supply to charge the battery, said charge port being disposed at a top of the contactor. 5. The electric vehicle according to claim 1, further comprising: a supporting frame standing upward from the body frame behind the seat;a down regulator configured to decrease a voltage of an external power supply for charging the battery, said down regulator being attached to the supporting frame. 6. The electric vehicle according to claim 5, further comprising a charge port disposed on a vehicle center area of the forward side of the supporting frame. 7. The electric vehicle according to claim 1, further comprising: a low-voltage battery located below the seat; anda charge port disposed between the contactor and the low-voltage battery. 8. The electric vehicle according to claim 1, further comprising a PDU as a motor control device, said PDU being located in front of the motor. 9. The electric vehicle according to claim 1, wherein the electric vehicle comprises a three-wheeled electric vehicle. 10. An electric vehicle, comprising: a pair of left and right rear wheels for being driven by rotary driving power;motor means for providing the rotary driving power, said motor means also for being supplied with electric power from an energy storage means;rear body means for supporting the motor means and the rear wheels, said rear body means being attached at a back of a body frame in a vertically swingable and transversely tiltable manner;box means for housing the energy storage means;first supporting frame means for supporting the box means, said first supporting frame means joined to the body frame underneath a seat of the electric vehicle, wherein the box means is supported by the first supporting frame means;monitoring means for monitoring a state of the energy storage means, said monitoring means being located on a top of the energy storage means;management means for collecting information from the monitoring means;contactor means for opening and closing a connection between the energy storage means and a drive circuit for the motor means, wherein the management means and the contactor means are housed in the box means, and disposed between a front facing side of the energy storage means and the first supporting frame means. 11. The electric vehicle according to claim 10, wherein the body frame includes a main frame joined to a head pipe for pivotally supporting a steering stem in a rotatable manner, extending downward in a vehicle rearward direction, a pair of left and right side frames joined to the main frame, extending in the vehicle rearward direction, a pair of left and right standing frames joined to the side frames, extending upward in the vehicle rearward direction, and a pair of left and right rear frames joined to the standing frames extending in the vehicle rearward direction, and wherein the first supporting frame means is supported by a cross pipe in a vehicle transverse direction which interconnects the left and right standing frames. 12. The electric vehicle according to claim 10, wherein the first supporting frame means is formed so as to extend from the cross pipe toward a vehicle forward direction, and wherein the box means is disposed above the cross pipe and above the supporting frame means. 13. The electric vehicle according to claim 10, further comprising charge port means for being connected with an external power supply to charge the energy storage means, said charge port means being disposed at a top of the contactor means. 14. The electric vehicle according to claim 10, further comprising: second supporting frame means standing upward from the body frame behind the seat;down regulator means for decreasing a voltage of the external power supply for charging the energy storage means, said down regulator means being attached to the second supporting frame means. 15. The electric vehicle according to claim 14, further comprising charge port means for being connected with an external power supply to charge the energy storage means, said charge port means being disposed on a vehicle center area of the forward side of the second supporting frame means. 16. The electric vehicle according to claim 10, further comprising: low-voltage battery means for providing a low voltage, said low-voltage battery means being disposed below the seat; andcharge port means for being connected to an external power supply, said charge port means being disposed between the contactor means and the low-voltage battery means. 17. The electric vehicle according to claim 10, further comprising motor control means, said motor control means being disposed in front of the motor means. 18. The electric vehicle according to claim 10, wherein the electric vehicle comprises a three-wheeled electric vehicle.
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이 특허에 인용된 특허 (10)
Matsuura Masaaki (Saitama JPX) Kuroki Masahiko (Saitama JPX), Discharge path for a battery compartment of an electric vehicle.
Flowers, Michael J.; Hanker, Jr., Edward J.; Dwyer, Jr., Edward J.; Madonia, Lou; Hoskin, Mark J.; McCall, Hugh C.; Jarema, III, Stephen, Variable wheelbase personal mobility vehicle.
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