Speed measurement control device for motor
A control device and speed measurement technology, which is applied in the direction of electromechanical devices, manufacturing motor generators, electrical components, etc., can solve the problems of no speed measurement device, increased installation space, and increased motor operating noise, so as to eliminate potential safety hazards , convenient packaging and transportation, and accurate speed control
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[0029] As shown in the figure, a speed measurement and control device for a motor includes a motor spindle 3 inserted in the center of the stator core 1 and the rotor core 2. The motor spindle 3 is fixed to the motor via the upper bearing device 4 and the lower bearing device 5, respectively In the upper end cover 6 and the lower end cover 7 of the motor, the upper bearing device 4 includes an upper end cover bearing 41 fixed to the motor main shaft 3. The upper end cover bearing 41 is arranged in the recess 61 of the upper end cover 6 of the motor, and the upper end cover bearing of the recess 61 41 The upper bearing elastic element 42 is radially arranged, and the upper bearing elastic element 42 is axially arranged with an upper sealing cover 43; the lower bearing device 5 includes a lower end cover bearing 51 fixed to the motor shaft 3, and the lower end cover bearing 51 is arranged on the lower end cover of the motor In the inner recessed platform 71 of 7, a lower bearing e...
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