Rotational speed control system

A speed control and shaft technology, applied in the field of numerical control, can solve the problems of loss of important information and non-continuous vibration data collection, and achieve the effect of improving the degree of automation and control accuracy

Inactive Publication Date: 2017-02-22
CHONGQING DACHENG GRACE NC TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention provides a rotational speed control system, which solves the technical problem of

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  • Rotational speed control system

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[0009] In order to make the above objectives, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0010] Such as figure 1 As shown, a speed control system provided by an embodiment of the present invention includes: a single-chip microcomputer. The signal output end of the single-chip microcomputer is connected to the signal input end of the drive circuit via a photoelectric coupler, and the signal output end of the drive circuit is connected to the motor. A photoelectric encoder as a signal acquisition module is arranged on the rotating shaft of the SCM. The output end of the signal acquisition module is connected with the single-chip microcomputer, and the output end of the single-chip microcomputer is also connected with the LED data display unit.

[0011] Wherein, the single chip microcomputer is arduino open sourc...

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Abstract

The present invention relates to the numerical control field, and discloses a rotational speed control system. The system comprises a single-chip microcomputer, the signal output end of the single-chip microcomputer is connected with the signal input end of a driving circuit through an optical coupler, the signal output end of the driving circuit is connected with a motor, the rotating shaft of the motor is provided with a photoelectric encoder taking as a signal collection module, the output end of the signal collection module is connected with the single-chip microcomputer, and the output end of the single-chip microcomputer is connected with the LED data display unit. The rotational speed control system improves the motor control automation degree and the control precision. The rotational speed control system can be configured to control the starting, the speed and the pause of the direct current motor and the changing of the direction.

Description

technical field [0001] The invention relates to the field of numerical control, in particular to a speed control system. Background technique [0002] With the continuous development of electronic technology, pulse width modulation technology is more and more widely used in the control of motor speed. In particular, the continuous development of single-chip application technology makes pulse width speed regulation technology the mainstream of motor speed regulation. Because the single-chip computer has the characteristics of small size, light weight, low power consumption, strong function and low price, and because most of the data is transmitted and processed in the chip, it runs fast and has strong anti-interference ability. So much so that since it came out in the 1970s, it has developed extremely rapidly in more than 20 years and has been widely used in various fields. The MCU also uses modules with similar functions to computers, such as CPU, memory, parallel bus, and...

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Application Information

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IPC IPC(8): H02P7/00
Inventor 许林
Owner CHONGQING DACHENG GRACE NC TECH CO LTD
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