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Multi-speed servo system and speed switching method

A technology of speed switching and servo system, applied in the direction of control system, single motor speed/torque control, electrical components, etc., can solve the problems of energy waste, low transmission efficiency, bulky, etc., and achieve the expansion of speed range and optimal configuration , the effect of expanding the torque range and speed range

Inactive Publication Date: 2012-11-21
北京首科凯奇电气技术有限公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] An existing servo system can achieve high torque at low speed or small torque at high speed, but cannot meet the performance requirements of speed and torque
The other is to use a high-power drive system to meet the requirements of speed and torque, but this structure is bulky and wastes energy
[0006] Another is to use a mechanical transmission mechanism to adjust the speed by changing the gear ratio, but this structure is bulky and the transmission efficiency is low

Method used

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  • Multi-speed servo system and speed switching method
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  • Multi-speed servo system and speed switching method

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Embodiment Construction

[0084] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention are now described with reference to the accompanying drawings. It is used to indicate various connection relationships related to the present invention, but not to limit their actual spatial position relationships.

[0085] image 3 Shown is a structural schematic diagram of a specific exemplary embodiment of a multi-speed servo system. Such as image 3 As shown, the multi-speed servo system includes a servo motor 10 , a servo control device 20 and a speed switching device 30 . image 3 The same parts as the existing servo system will not be repeated. The servo control device 20 includes a controller 22, a driver 24, and a switching module 23. The controller 22 includes a switching module 23. The switching module 23 can receive a speed switching instruction and output a switching signal. The speed switch...

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Abstract

The invention provides a multi-speed servo system which comprises a servo motor (10), a servo control device (20) and a speed switching device (30). Each phase winding of a stator of the servo motor is formed by the connection of a plurality of coils. The speed switching device comprises a plurality of two-position control switches which are connected with the plurality of coils, and the speed switching device can control opening and closing positions of the control switches according to switching signals to change connection modes of the plurality of coils of each phase winding. The invention further provides a speed switching method for the multi-speed servo system. By means of the multi-speed servo system and the speed switching method for the multi-speed servo system, operators can set different speeds of the servo motor according to different using working conditions of the servo system, the speed switching can be achieved only by inputting a command signal, control parameters of the servo motor can be guaranteed to be fit with the servo motor, and the multi-speed servo system is simple in structure, small in size, fast in response and high in efficiency.

Description

technical field [0001] The invention relates to the technical field of mechatronics, in particular to a servo system for a multi-speed permanent magnet synchronous motor and a speed switching method for the multi-speed permanent magnet synchronous motor. Background technique [0002] figure 1 A structure of an existing servo system is shown, which mainly includes a servo motor 80 and a servo control device 90 . The servo motor 80 includes an electromagnetic component 88 , a bearing 86 for installing the electromagnetic component, a supporting connecting body 84 , and a sensor 82 for detecting the working state of the motor. The servo control device 90 includes a controller 92 and a driver 94 . The sensor 82 inputs the detected motor speed, position and other signals into the controller 92 , and the controller 92 controls the electromagnetic component 88 of the servo motor 80 through the driver 94 . [0003] figure 2 A partial cross-sectional schematic diagram of a servo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P6/08H02P25/18
Inventor 穆欣李会栓魏华
Owner 北京首科凯奇电气技术有限公司
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