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

A DC motor drive circuit and electronic equipment with the circuit

A DC motor and drive circuit technology, which is applied in the direction of converting DC power input to DC power output, electrical components, adjusting electrical variables, etc. air ratio and other issues, to achieve the effect of simplifying the design difficulty and reducing the production cost

Active Publication Date: 2017-08-04
QINGDAO GOERTEK
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The speed control circuit of the existing DC motor is complex, the design cost is high, and the existing PWM square wave signal generating circuit cannot adjust the duty cycle

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
  • A DC motor drive circuit and electronic equipment with the circuit
  • A DC motor drive circuit and electronic equipment with the circuit
  • A DC motor drive circuit and electronic equipment with the circuit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0045] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0046] Such as figure 2 Shown is a schematic structural diagram of a DC motor driving circuit provided by an embodiment of the present invention; the DC motor driving circuit includes: a pulse signal generating unit 101, a control unit 102 and a driving unit 103;

[0047] The pulse signal generating unit 101 is used to generate a DC motor driving pulse signal;

[0048] The control unit 102 is configured to adjust the duty ratio of the driving pulse signal;

[0049] The driving unit 103 is configured to send the adjusted driving pulse signal to the DC motor to drive the DC motor to rotate.

[0050] It should be noted that the pulse signal generating unit includes: a first resistor, a second resistor, a third resistor, a fifth resisto...

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 discloses a DC motor drive circuit and electronic equipment with the circuit, wherein the DC motor drive circuit includes: a pulse signal generation unit, a control unit and a drive unit; the pulse signal generation unit is used to generate a DC motor drive pulse signal; the control unit is used to adjust the duty cycle of the drive pulse signal; the drive unit is used to send the adjusted drive pulse signal to the DC motor to drive the The DC motor turns. The invention realizes the speed control of the DC motor by using discrete electronic components to form a pulse signal generating unit, a control unit and a driving unit, thereby simplifying the design difficulty and reducing the production cost.

Description

technical field [0001] The invention relates to the technical field of power electronics, in particular to a DC motor drive circuit and electronic equipment with the circuit. Background technique [0002] At present, DC motors are used in various fields of industry due to their superior speed regulation performance. DC motors can be divided into shunt-excited DC motors, series-excited DC motors and compound-excited DC motors according to their different excitation methods. However, in industry, the speed of a DC motor depends on the voltage applied across it. Usually, the DC motor speed uses a voltage regulating coil to change the voltage at both ends of the DC motor coil to adjust the speed, or a single-chip microcomputer is used to automatically control the speed of the DC motor. [0003] Such as figure 1 As shown, it is a traditional square wave generation circuit diagram, and the working principle of the existing DC motor drive circuit is as follows: [0004] Such as...

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 Patents(China)
IPC IPC(8): H02P7/28H02M3/155
Inventor 刘东宝
Owner QINGDAO GOERTEK
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