ELECTRIC BALANCE VEHICLE

• US 20170088225A1
• Filed: 12/09/2016
• Published: 03/30/2017
• Est. Priority Date: 06/13/2014
• Status: Active Grant

• Current Assignee: Hangzhou Chic Intelligent Technology Co., Ltd.
• Original Assignee: Hangzhou Chic Intelligent Technology Co., Ltd.
• Inventors: Ying, Jiawei
• Granted Patent: US 10,167,036 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B62D 51/001 characterised by the vehicle control device mechanical features of control devices in general G05G; arrangements of vehicle control devices in general B60K20/00, B60K23/00, B60K26/00
• CPC Class Codes: B62D 51/02 the driver standing in the vehicle
• CPC Class Codes: B62D 61/02 with two road wheels in tandem on the longitudinal centre line of the vehicle
• CPC Class Codes: B62J 45/40 Sensor arrangements sensors for control of electrically assisted cycles B62M6/50; Mounting thereof
• CPC Class Codes: B62J 45/414 Acceleration sensors
• CPC Class Codes: B62K 11/007 Automatic balancing machines with single main ground engaging wheel or coaxial wheels supporting a rider
• CPC Class Codes: B62K 17/00 Cycles not otherwise provided for
• CPC Class Codes: B62K 2204/00 Adaptations for driving cycles by electric motor for driving electrically assisted bicycles B62M6/00
• CPC Class Codes: B62K 3/002 without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners
• CPC Class Codes: Y02T 10/72 Electric energy management in electromobility

Abstract

An electric balance vehicle including a top cover, a bottom cover, an inner cover, a rotating mechanism, two wheels, two hub motors, a plurality of sensors, a power supply, and a controller is described herein. The bottom cover is fixed to the top cover. The inner cover is fixed between the top cover and the bottom cover. The two wheels are rotatably fixed at two sides of the inner cover, respectively. The two hub motors are fixed in the two wheels, respectively. The plurality of sensors is disposed between the bottom cover and the inner cover, respectively. The power supply is fixed between the first bottom cover and the first inner cover. The controller is fixed between the second bottom cover and the second inner cover, the controller is electrically connected with the plurality of sensors, the power supply, and the hub motors.

Claims

1. An electric balance vehicle, comprising:

a top cover;

a bottom cover;

an inner cover fixed between the top cover and the bottom cover, the inner cover comprising a first inner cover and a second inner cover rotatable relative to each other;

a rotating mechanism fixed between the first inner cover and the second inner cover;

two wheels rotatably fixed at two sides of the inner cover, respectively;

two hub motors fixed in the two wheels, respectively;

a plurality of sensors;

a power supply; and

a controller, wherein the controller is electrically connected with the plurality of sensors, the power supply, and the hub motors, and the controller controls the hub motors to drive the two wheels to rotate according to signals from the plurality of sensors.

2. The electric balance vehicle according to any of claim 1, wherein the plurality of sensors comprise a gyroscope, an acceleration sensor, and an inductive switch, the inductive switch senses whether a user stands on the electric balance vehicle, the controller receives signals from the inductive switch, the acceleration sensor, and the gyroscope to control the hub motors.

3. The electric balance vehicle according to claim 2, wherein the inductive switch is an infrared photoelectric sensor.

4. The electric balance vehicle according to claim 1, wherein the controller generates control signals to drive the hub motors when signal from the inductive switch indicates a user is on the vehicle, and wherein the controller does not generate control signals to drive the hub motors when signal from the inductive switch indicates no user is on the vehicle.

5. The electric balance vehicle according to claim 1, wherein the bottom cover is coupled to the top cover.

6. The electric balance vehicle according to claim 1, wherein the power supply and the controller are disposed at a side of the inner cover, and the side is adjacent to the bottom cover.

7. The electric balance vehicle according to claim 1, wherein the plurality of sensors, the power supply, and the controller are disposed between the bottom cover and the inner cover.

8. An electric balance vehicle, comprising:

a top cover;

a bottom cover;

an inner cover between the top cover and the bottom cover, the inner cover comprising a first inner cover and a second inner cover disposed symmetrically and rotatable relative to each other, the inner cover comprising a left edge and a right edge;

a rotating mechanism in a middle portion of the inner cover, the rotating mechanism comprising a shaft sleeve installed in inner ends of the first inner cover and the second inner cover, the first inner cover and the second inner cover capable of rotating relative to each other through the rotating mechanism; and

wheels rotatably fixed to the left edge and the right edge, respectively.

9. The electric balance vehicle according to claim 8, wherein the rotating mechanism comprises two bearings disposed in the inner ends of the first inner cover and the second inner cover, respectively;

and the shaft sleeve is disposed inside the two bearings.

10. An electric balance vehicle, comprising:

an inner cover comprising a first inner cover and a second inner cover disposed symmetrically and rotatable relative to each other;

wheels rotatably fixed at two opposite sides of the inner cover, respectively;

motors configured to drive the wheels, respectively;

a plurality of sensors;

a power supply; and

a controller electrically connected with the plurality of sensors, the power supply, and the motors, wherein the controller controls the motors to drive the wheels to rotate according to signals from the sensors.

11. The electric balance vehicle according to claim 10, further comprising a top cover and a bottom cover, wherein the inner cover is disposed between the top cover and the bottom cover, the top cover comprises a first top cover and a second top cover disposed symmetrically and rotatable relative to each other, and the bottom cover comprises a first bottom cover and a second bottom cover disposed symmetrically and rotatable relative to each other.

12. The electric balance vehicle according to claim 10, wherein the motors are hub motors fixed in the wheels.

13. The electric balance vehicle according to claim 12, wherein the vehicle comprise two wheels and two hub motors.

14. The electric balance vehicle according to claim 10, further comprising a rotating mechanism, wherein the first inner cover and the second inner cover are capable of rotating relative to each other through the rotating mechanism.

15. The electric balance vehicle according to claim 14, wherein the rotating mechanism comprises a shaft sleeve installed in at least one of inner ends of the first inner cover and the second inner cover.

16. The electric balance vehicle according to claim 15, wherein the at least one of inner ends of the first inner cover and the second inner cover comprises a cylindrical barrel, and the shaft sleeve is installed in the cylindrical barrel.

17. The electric balance vehicle according to claim 16, wherein the rotating mechanism comprises a bearing installed in the cylindrical barrel, and the shaft sleeve is installed in the bearing.

18. The electric balance vehicle according to claim 15, wherein the inner ends of the first inner cover and the second inner cover comprise cylindrical barrels, the rotating mechanism comprises two bearings, and the two bearings and the shaft sleeve are installed in the cylindrical barrels.

19. The electric balance vehicle according to claim 10, wherein the plurality of sensors comprise a gyroscope, an acceleration sensor, and an inductive switch;

the inductive switch senses whether a user stands on the electric balance vehicle; and

the controller receives signals from the inductive switch, the acceleration sensor, and the gyroscope to control the motors.

20. The electric balance vehicle according to claim 10, wherein the controller generates control signals to drive the hub motors when signal from the inductive switch indicates a user is on the vehicle, and wherein the controller does not generate control signals to drive the hub motors when signal from the inductive switch indicates no user is on the vehicle.

21. The electric balance vehicle according to claim 20, wherein the inductive switch is an infrared photoelectric sensor.

22. The electric balance vehicle according to claim 10, further comprising two pedals, wherein the first inner cover and the second inner cover have recesses, respectively;

and the two pedals are disposed in the recesses, respectively.

23. The electric balance vehicle according to claim 22, further comprising a top cover, wherein the top cover comprises a first top cover and a second top cover disposed symmetrically and rotatable relative to each other, the first top cover and the second top cover have hollow spaces, respectively;

the recesses are at positions corresponding to the hollow spaces, respectively; and

the hollow spaces are combined with the recesses to form pedal cavities for containing the pedals.

24. The electric balance vehicle according to claim 10, further comprising a blocking element, wherein the plurality of sensors comprise an inductive switch;

the blocking element is configured to block an induction area of the inductive switch to trigger the inductive switch sending signals to the controller; and

the controller is configured to receive signals from the inductive switch to control the motors.