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Servo motor for robot

A technology of servo motor and robot, applied in the field of servo motor, can solve the problem of short service life of encoder

Pending Publication Date: 2016-08-17
JIANGSU HUAYUAN EXPLOSION PROOF MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is divided into two categories: DC and AC servo motors. Its main feature is that when the signal voltage is zero, there is no self-rotation phenomenon, and the speed decreases at a uniform speed with the increase of torque. Generally, the servo motor adopts closed-loop control and has the ability to receive pulse signals and send The function of the pulse signal, and the sending pulse signal can be counted by the encoder to reflect the number of turns and the specific angle of the rotor, so as to obtain information such as the rotor speed and position for control, but the service life of the encoder is not long

Method used

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Experimental program
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Embodiment 1

[0010] Such as figure 1 , figure 2 As shown, the structure of the present invention includes a motor, a signal receiver 7, a signal transmitter 1, the motor includes a stator 6, a rotor, the stator 6 includes a tooth portion 8, a yoke, and the rotor includes a rotor core 4, a rotating shaft 3; It is characterized in that: the signal transmitter 1 is connected to the photoelectric counter 2, and the photoelectric counter 2 is a coaxial reflective photoelectric counter, and its light-emitting element 9, photosensitive element 10, and optical fiber 11 are all located in one of the stator 6 On the tooth portion 8, the tooth portion has a through hole for the light emitting element 9, the photosensitive element 10, and the optical fiber 11 to pass through, and the outer wall of the rotor core 4 of the rotor is vertically opposite to the light emitting element 9 and the photosensitive element 10. The counting ring 5 is embedded in a week, and the counting ring 5 has a corrugated e...

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PUM

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Abstract

The invention discloses a servo motor for a robot. The servo motor structurally comprises a motor, a signal receiver and a signal projector, wherein the signal projector comprises a photoelectric counter; a light source is fixed on a tooth part of a stator of the motor and can emit light to a rotor in the motor; a plurality of shading points which are distributed at equal distances are arranged on a circle, corresponding to the light source, of the motor rotor; the light source irradiates the shading points; and the photoelectric counter counts and converts the motor rotation radian and position according to the quantity of the shading points, so that the rotating speed and the position of the motor are determined; compared with an existing servo motor, the servo motor disclosed by the invention is longer in service lifetime; and the cost is reduced.

Description

technical field [0001] The invention relates to the field of motors, in particular to a servo motor for counting by photoelectric induction. Background technique [0002] Servo motor refers to the engine that controls the operation of mechanical components in the servo system. It is an auxiliary motor indirect transmission device. The servo motor can control the speed and position accuracy very accurately. It can convert the voltage signal into torque and speed to drive the control object. . The rotor speed of the servo motor is controlled by the input signal and can respond quickly. In the automatic control system, it is used as an actuator, and has the characteristics of small electromechanical time constant, high linearity, and starting voltage. It can convert the received electrical signal Converted to angular displacement or angular velocity output on the motor shaft. It is divided into two categories: DC and AC servo motors. Its main feature is that when the signal v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K29/10H02K11/22
CPCH02K29/10
Inventor 秦文银
Owner JIANGSU HUAYUAN EXPLOSION PROOF MOTOR
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