MOTOR, GIMBAL HAVING THE MOTOR, AND IMAGE CAPTURING DEVICE HAVING THE GIMBAL

• US 20170176840A1
• Filed: 07/03/2014
• Published: 06/22/2017
• Est. Priority Date: 02/28/2014
• Status: Active Grant

• Current Assignee: SZ DJI Technology Co., Ltd. (d/b/a DJI) (iFlight Technology Company Limited)
• Original Assignee: SZ DJI Technology Co., Ltd. (d/b/a DJI) (iFlight Technology Company Limited)
• Inventors: ZHOU, Li, WANG, Peng
• Granted Patent: US 10,488,739 B2
• Time in Patent Office: Days
• CPC Class Codes: F16M 11/06 allowing pivoting
• CPC Class Codes: F16M 11/18 with mechanism for moving the apparatus relatively to the stand
• CPC Class Codes: F16M 2200/041 for balancing rotational movement of the head
• CPC Class Codes: G03B 17/561 Support related camera accessories
• CPC Class Codes: H02K 1/27 Rotor cores with permanent magnets
• CPC Class Codes: H02K 11/215 Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
• CPC Class Codes: H02K 29/08 using magnetic effect devices, e.g. Hall-plates, magneto-resistors H02K29/12 takes precedence
• CPC Class Codes: H04N 23/687 by shifting the lens or sensor position

Abstract

The present invention discloses a motor comprising a stator, a rotator rotatably connected with the stator and an electrical connector that provides an electric signal to the motor. The motor further comprises a magnet fixed on the rotator and a Hall angular displacement sensor fixed on the electrical connector and arranged opposite to the magnet. The magnet and the Hall angular displacement sensor are spaced from each other by the electrical connector. The present invention further discloses a gimbal using the motor and an image capturing device using the gimbal.

Claims

1. A motor comprising:

a stator;

a rotator rotatably connected with the stator;

an electrical connecting device configured to provide an electric signal to the motor;

a magnet fixed on the rotator; and

a Hall angular displacement sensor fixed on the electrical connecting device and arranged opposite to the magnet, wherein the magnet and the Hall angular displacement sensor are spaced from each other by the electrical connecting device.

2. The motor of claim 1, wherein the rotator comprises:

a rotating shaft assembly rotatably connected with the stator; and

a rotor fixed on the rotating shaft assembly, wherein the magnet is fixed on the rotating shaft assembly.

3. The motor of claim 2, wherein the rotating shaft assembly comprises:

a rotating shaft; and

an upper bearing and a lower bearing sleeved respectively on two ends of the rotating shaft, wherein the magnet is fixed on the rotating shaft.

4. The motor of claim 1, wherein:

the electrical connecting device comprises a first surface and a second surface opposite to the first surface;

the Hall angular displacement sensor is fixedly arranged on the first surface;

the magnet is arranged opposite to the second surface; and

the magnet is out of contact with the Hall angular displacement sensor.

5. The motor of claim 1, wherein the electrical connecting device is a PCB board or a flexible circuit board.

6. A gimbal comprising:

a first rotating member;

a second rotating member rotatably connected with the first rotating member; and

,

the motor of claim 1, wherein the motor is configured to drive the second rotating member to rotate with respect to the first rotating member.

7. The gimbal of claim 6, wherein:

the stator is fixed on the first rotating member; and

the rotator is fixed on the second rotating member.

8. An image capturing device comprising the gimbal of claim 6 and a payload carried on the gimbal.

9. The image capturing device of claim 8, wherein the payload is connected with the second rotating member.

10. The image capturing device of claim 8, wherein the payload is a camera.