Electric balance vehicle

• US 9,376,155 B2
• Filed: 12/02/2014
• Issued: 06/28/2016
• 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, Cao, Shaojun
• Primary Examiner(s): Hurley, Kevin
• Application Number:
  US14/773,650
• Publication Number:
  US 20160129963A1
• Time in Patent Office: 574 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 comprising a first top cover and a second top cover disposed symmetrically and rotatable relative to each other;

a bottom cover fixed to the top cover, the bottom cover comprising a first bottom cover and a second bottom cover disposed symmetrically and rotatable relative to each other;

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 disposed symmetrically and 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 disposed between the bottom cover and the inner cover;

a power supply fixed between the first bottom cover and the first inner cover; and

a controller fixed between the second bottom cover and the second inner cover, 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 corresponding wheels to rotate according to sensing signals transmitted by the sensors.

2. The electric balance vehicle according to claim 1, further comprising two pedals, wherein the pedals are fixed to the top cover and the inner cover.

3. The electric balance vehicle according to claim 2, wherein the pedals have mutually separated friction strips disposed on upper surfaces of the pedals.

4. The electric balance vehicle according to claim 2, wherein the first top cover and the second top cover have hollow spaces, respectively, the first inner cover and the second inner cover have recesses 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.

5. The electric balance vehicle according to claim 1, wherein the rotating mechanism comprises two bearings, a shaft sleeve, and two snap springs, the two bearings are fixed to the first inner cover and the second inner cover, respectively, and the shaft sleeve is fixed inside the two bearings and is fixed to the inner cover via the two snap springs.

6. The electric balance vehicle according to claim 5, wherein the inner cover has a cylindrical barrel, and the bearings and the shaft sleeve are installed in the barrel via the snap springs.

7. The electric balance vehicle according to claim 1, further comprising a decorative lamp disposed at the bottom cover.

8. The electric balance vehicle according to claim 1, wherein the top cover further includes two indicating screens electrically connected with the controller, one indicating screen displays a remaining capacity of the power supply, and the other indicating screen displays a working state of the electric balance vehicle.

9. The electric balance vehicle according to claim 1, wherein the sensor comprises a gyroscope, an acceleration sensor, and an inductive switch, the inductive switch senses whether a user stands on the electric balance vehicle so as to be on or off, the controller receives the sensing signal of the inductive switch to control the hub motors to work or to stop, and the controller receives the sensing signals of the acceleration sensor and the gyroscope to control the hub motors to change a state or to keep the state.

10. The electric balance vehicle according to claim 9, wherein the inductive switch is an infrared photoelectric sensor.

11. The electric balance vehicle according to claim 1, further comprising a charging interface disposed at the bottom cover.

12. The electric balance vehicle according to claim 11, further comprising an interface cover, wherein the interface cover covers the charging interface.

13. The electric balance vehicle according to claim 1, further comprising a limiting shaft disposed between the first inner cover and the second inner cover, wherein the length of the limiting shaft in the second inner cover is larger than the length of the limiting shaft in the first inner cover.

14. The electric balance vehicle according to claim 1, wherein the top cover has two arc-shaped projections, and the two arc-shaped projections are located above the two wheels and cover a part of the wheels, respectively.

15. The electric balance vehicle according to claim 14, wherein the width of the arc-shaped projections is larger than the width of the wheels.

16. The electric balance vehicle according to claim 1, wherein the top cover and the bottom cover are made of plastic, and the inner cover is made of aluminum alloy.

17. The electric balance vehicle according to claim 1, further comprising a remote controller, wherein the controller receives a control signal sent by the remote controller.

18. The electric balance vehicle according to claim 1, wherein the controller has a storage unit and a correction unit, the storage unit stores an initial balance state of the electric balance vehicle, and the correction unit corrects a current balance state of the electric balance vehicle.