Electric vehicle

Patent metadata

Field	Value
Publication number	US-10696347-B2
Application number	US-201916694822-A
Country	US
Kind code	B2
Filing date	Nov 25, 2019
Priority date	Jun 13, 2014
Publication date	Jun 30, 2020
Grant date	Jun 30, 2020

Abstract

An electric self-balancing 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 top cover includes a first top cover and a second top cover disposed symmetrically and rotatable relative to each other. The bottom cover is fixed to the top cover and includes a first bottom cover and a second bottom cover disposed symmetrically and rotatable relative to each other. The inner cover is fixed between the top cover and the bottom cover and includes a first inner cover and a second inner cover disposed symmetrically and rotatable relative to each other. The rotating mechanism is fixed between the first inner cover and the second inner 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, and the controller controls the hub motors to drive the corresponding wheels to rotate according to sensing signals transmitted by the sensors.

First claim

We claim:

1. An electric balance vehicle, comprising:
a housing having a first side rotatable relative to a second side;
a support structure mounted within the housing, the support structure comprising a plurality of structural components, wherein at least a first one of the plurality of structural components is coupled to the first side and at least a second one of the plurality of structural components is coupled to the second side;
a first pedal disposed on the first side of the housing and a second pedal disposed on the second side of the housing;
a rotating mechanism coupled with the support structure and configured to allow the first one of the plurality of structural components to rotate relative to the second one of the plurality of structural components;
a limiting shaft disposed within the housing to limit rotation of the first side relative to the second side;
a first wheel attached to a first end of the support structure and a second wheel attached to a second end of the support structure;
a first motor mounted in the first wheel and a second motor mounted in the second wheel;
a plurality of sensors;
a power supply mounted within the housing; and
at least one controller mounted within the housing and electrically connected with the plurality of sensors, the power supply, the first motor and the second motor, and wherein the at least one controller is configured to control the first motor and the second motor, respectively, to drive the first wheel and the second wheel, respectively, to rotate according to one or more 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 configured to sense whether a user stands on the electric balance vehicle; and
the at least one controller is configured to receive signals from the inductive switch, the acceleration sensor and the gyroscope and to control the first and second 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 at least one controller is configured to:
only generate control signals to drive the first and second motors in response to a signal from a sensor that indicates a user is on the electric balance vehicle.

5. The electric balance vehicle according to claim 1 , wherein the power supply is disposed in the first side of the housing and the at least one controller is disposed in the second side of the housing.

6. The electric balance vehicle according to claim 1 , wherein the plurality of sensors, the power supply, and the at least one controller are disposed between a bottom cover and the first and second pedals.

7. The electric balance vehicle according to claim 1 , wherein the first one of the plurality of structural components coupled to the first side comprises a cylindrical barrel.

8. The electric balance vehicle according to claim 7 , wherein the rotating mechanism further comprises a bearing disposed inside the cylindrical barrel.

9. The electric balance vehicle according to claim 8 , wherein the rotating mechanism further comprises a shaft sleeve disposed inside the cylindrical barrel and the bearing.

10. An electric balance vehicle, comprising:
a housing having a first side rotatable relative to a second side;
a support structure mounted within the housing, the support structure comprising a plurality of structural components, wherein at least a first one of the plurality of structural components is coupled to the first side and has a first cylindrical barrel portion, and at least a second one of the plurality of structural components is coupled to the second side;
a first pedal disposed on the first side of the housing and a second pedal disposed on the second side of the housing;
a rotating mechanism disposed within the first cylindrical barrel portion and configured to allow the first one of the plurality of structural components to rotate relative to the second one of the plurality of structural components;
a limiting shaft disposed within the housing to limit rotation of the first side relative to the second side;
a first wheel attached to a first end of the support structure and a second wheel attached to a second end of the support structure;
a first motor mounted in the first wheel and a second motor mounted in the second wheel;
a plurality of sensors;
a power supply mounted within the housing; and
at least one controller mounted within the housing and electrically connected with the plurality of sensors, the power supply and the first motor, and wherein the at least one controller is configured to control the first motor to drive the first wheel to rotate according to one or more signals from the plurality of sensors.

11. The electric balance vehicle according to claim 10 , wherein the power supply is disposed in the first side of the housing and the at least one controller is disposed in the second side of the housing.

12. The electric balance vehicle according to claim 10 , wherein the plurality of sensors, the power supply, and the at least one controller are disposed between a bottom cover and the first and second pedals.

13. The electric balance vehicle according to claim 10 , wherein the rotating mechanism comprises a shaft sleeve and a bearing.

14. The electric balance vehicle according to claim 13 , wherein the limiting shaft engages the first cylindrical barrel portion of the first one of the plurality of structural components.

15. An electric balance vehicle, comprising:
a housing having a first side rotatable relative to a second side;
a support structure mounted within the housing, the support structure comprising a plurality of structural components, wherein at least a first one of the plurality of structural components is coupled to the first side and has a first cylindrical barrel portion, and at least a second one of the plurality of structural components is coupled to the second side and has a second cylindrical barrel portion;
a first pedal disposed on the first side of the housing and a second pedal disposed on the second side of the housing;
a rotating mechanism disposed within the first cylindrical barrel portion and configured to allow the first one of the plurality of structural components to rotate relative to the second one of the plurality of structural components, the rotating mechanism comprising a bearing and a shaft sleeve;
a limiting shaft disposed within the housing to limit rotation of the first side relative to the second side;
a first wheel attached to a first end of the support structure and a second wheel attached to a second end of the support structure;
a first motor mounted in the first wheel and a second motor mounted in the second wheel;
a plurality of sensors; and
a power supply mounted within the housing.

16. The electric balance vehicle according to claim 15 , further comprising:
a controller mounted within the housing and electrically connected with the plurality of sensors, the power supply, and the first motor, and wherein the controller is configured to control the first motor to drive the first wheel to rotate according to one or more signals from the plurality of sensors.

17. The electric balance vehicle according to claim 16 , wherein the power supply is disposed in the first side of the housing and the controller is disposed in the second side of the housing.

18. The electric balance vehicle a

Assignees

• Hangzhou Chic Intelligent Tech Co Ltd

Inventors

• Ying Jiawei
• Cao Shaojun

Classifications

• B62K11/007 Primary

  Automatic balancing machines with single main ground engaging wheel or coaxial wheels supporting a rider · CPC title

• A63C17/08

  single-wheel type {with single axis} · CPC title

• A63C17/00

  Roller skates; Skate-boards · CPC title

• B62J45/40

  Sensor arrangements (sensors for control of electrically assisted cycles B62M6/50); Mounting thereof · CPC title

• B62J45/414

  Acceleration sensors · CPC title