阅读说明：本技术 电机定位装置、电机及云台 (Motor positioning device, motor and cloud platform ) 是由 刘思聪 颜家彬 陈子寒 赵喜峰 于 2018-06-30 设计创作，主要内容包括：本申请的电机定位装置用于电机,所述电机包括转子和定子,所述转子转动装于所述定子上,其包括光电传感器和定位环,所述光电传感器和所述定位环的其中之一固定于所述转子上并随着所述转子转动,另一个固定于所述定子上；其中,所述定位环上包括第一区域及第二区域,所述光电传感器和所述定位环的相对位置随电机的转子及定子的相对转动而在预定范围内转动,所述预定范围包括所述第一区域和所述第二区域的一个交界,可以实现简单快速的确定电机的初始位置。(The motor positioning device is used for a motor, the motor comprises a rotor and a stator, the rotor is rotatably arranged on the stator and comprises a photoelectric sensor and a positioning ring, one of the photoelectric sensor and the positioning ring is fixed on the rotor and rotates along with the rotor, and the other one of the photoelectric sensor and the positioning ring is fixed on the stator; the positioning ring comprises a first area and a second area, the relative position of the photoelectric sensor and the positioning ring rotates in a preset range along with the relative rotation of a rotor and a stator of the motor, the preset range comprises a junction of the first area and the second area, and the initial position of the motor can be determined simply and quickly.)

A kind of electric machine locating device, used in the electric machine, the said electric machine includes trochanter and stator, the said trochanter is mounted on said stator rotatably, characterized by including photoelectric sensor and locating ring, one of the said photoelectric sensor and said locating ring is fixed to said trochanter and with the said trochanter rotates, another is fixed to said stator;

the positioning ring comprises a first area and a second area, the relative position of the photoelectric sensor and the positioning ring rotates in a preset range along with the relative rotation of a rotor and a stator of the motor, and the preset range comprises a junction of the first area and the second area.

The motor positioning device of claim 1, wherein the positioning ring is disposed on the rotor and the photosensor is disposed on the stator.

The motor positioning device of claim 1, wherein the photoelectric sensor comprises a light emitting module and a light receiving module, and the light emitting module and the light receiving module are disposed on the same side of the positioning ring.

The motor positioning device of claim 2, wherein the optical reflectivity of the first region is different from the optical reflectivity of the second region.

The motor positioning device of claim 4, wherein the first region has a greater light reflectivity than the second region, and wherein the first region is coated with a light reflective layer.

The motor positioning device of claim 1, wherein the photoelectric sensor comprises a light emitting module and a light receiving module, and the light emitting module and the light receiving module are disposed on both sides of the positioning ring.

The motor positioning device of claim 6, wherein the optical transmissivity of the first region and the optical transmissivity of the second region are different.

The motor positioning device of claim 1, wherein the first region and the second region are symmetrically disposed on the positioning ring.

An electric motor comprising a stator and a rotor, said rotor being rotatably mounted to said stator, characterized by a controller and said motor positioning device of any of claims 1-8, said photosensor of said motor positioning device being electrically connected to said controller, said controller being adapted to obtain an electrical signal from said photosensor.

The motor of claim 9, further comprising a hall sensor electrically connected to the controller, the hall sensor configured to provide the controller with information on the angle of rotation of the rotor.

The motor according to claim 10, wherein a driving circuit board is disposed on the stator, the driving circuit board is electrically connected to the controller, the photoelectric sensor and the hall sensor are disposed on the driving circuit board, and the photoelectric sensor and the hall sensor are electrically connected to the driving circuit board.

The motor of claim 9, wherein said rotor includes a magnet holder and a rotor magnet, said rotor magnet and said positioning ring being fixed to said magnet holder, and said positioning ring having a center coaxial with a rotational axis of said rotor; the magnet positioning device comprises a magnet holder, a first positioning piece and a second positioning piece, wherein the magnet holder is provided with the first positioning piece, the second positioning piece corresponding to the first positioning piece is arranged on the positioning ring, and the positioning of the positioning ring on a rotor is realized through the first positioning piece and the second positioning piece.

The motor of claim 12, wherein the magnet holder includes a fixed ring, the fixed ring further having a periphery that is surrounded by a plurality of first and third spaced apart posts perpendicular to a plane of the fixed ring, the third post having a height different from a height of the first post; the positioning ring is provided with a plurality of second convex columns and fourth convex columns which are perpendicular to the plane of the positioning ring and are arranged at intervals, and the height of each fourth convex column is different from that of each second convex column; the second convex column is opposite to and fixed with the first convex column, and the fourth convex column corresponds to the third convex column one by one; the sum of the heights of the fourth convex column and the third convex column is the same as the sum of the heights of the first convex column and the second convex column.

The motor of claim 9 wherein said rotor includes a rotor end cap, said retaining ring being secured to said rotor end cap; the rotor end cover is provided with a first positioning piece, the positioning ring is provided with a second positioning piece corresponding to the first positioning piece, and the first positioning piece and the second positioning piece are used for enabling the positioning ring to be positioned on the rotor.

A head comprising at least one head shaft, characterized in that said head shaft comprises a motor according to any one of claims 9 to 14 for driving said head shaft in rotation.