Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Swinging voice coil motor and gravity compensating method thereof

A voice coil motor, gravity torque technology, applied in the direction of electromechanical devices, electrical components, etc., can solve the problems affecting the accuracy of the voice coil motor, control errors, etc., and achieve the effects of improving reliability, reducing power consumption, and improving control accuracy.

Inactive Publication Date: 2017-01-04
STATE GRID JIANGSU ELECTRIC POWER CO LTD TAIZHOU POWER SUPPLY BRANCH +1
View PDF0 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The usual method is to install spring parts to balance and compensate the gravity moment, but this method will affect the accuracy of the voice coil motor itself, and may still cause control errors

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Swinging voice coil motor and gravity compensating method thereof
  • Swinging voice coil motor and gravity compensating method thereof
  • Swinging voice coil motor and gravity compensating method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that the drawings are all in a very simplified form and use imprecise ratios, which are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0022] The present invention provides a rocking voice coil motor, such as figure 2 As shown, it includes a pole magnet for generating a magnetic field and a coil 1-103 arranged in the pole magnet, and also includes a gravitational moment compensation magnet 1-104 arranged in the coil. There is a housing outside the magnetic pole magnet and the coil 1-103, an opening is provided on the end surface of the housing, and an end cover is provided on the housing at the opening.

[0023] The oscillating voice coil mo...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a swinging voice coil motor and a gravity compensating method corresponding thereto. Through a gravity torque compensating magnet in a coil, under the condition that the own motion precision of the swinging voice coil motor is not affected, the swinging voice coil motor itself has a passive gravity torque compensating function; meanwhile, an additional size space for another mechanical component for compensating the gravity torque can be effectively reduced, the gravity torque is effectively and precisely compensated, and the purposes of reducing the power consumption of the swinging voice coil motor when being used as a vertical angle actuator and improving the control precision are achieved; meanwhile, a shell is arranged outside a magnetic pole steel and the coil and an end cover is arranged at an opening of the shell, so that dust can be prevented from entering the shell and thus the reliability of the voice coil motor in the working process is improved.

Description

technical field [0001] The invention relates to the field of motor control, in particular to a swinging voice coil motor and a gravity compensation method thereof. Background technique [0002] The voice coil motor is named for its structure similar to the voice coil of the horn, and it has the characteristics of high frequency response and high precision. Such motors are mainly divided into cylindrical voice coil motors and oscillating voice coil motors. Oscillating voice coil motor (voice coil motor) is a motor that bends the voice coil motor of TMES series to meet the high-performance angular swing. This type of motor can provide a maximum swing angle of 120 degrees and a maximum torque of 50N.m. Typical applications of oscillating voice coil motors are laser mirror reflection technology, rotary valves, dampers, etc. Its markets include the semiconductor industry, automation, industrial, aviation and space industry sectors. Swing voice coil motor SVCM is generally used...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H02K33/18
CPCH02K33/18
Inventor 何菲
Owner STATE GRID JIANGSU ELECTRIC POWER CO LTD TAIZHOU POWER SUPPLY BRANCH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com