Motor forward and reverse rotation control circuit and robot

A technology of control circuit and voltage conversion circuit, which is applied in the direction of DC motor rotation control, AC motor direction control, etc., to save port resources, reduce costs, and simplify circuits.

Pending Publication Date: 2021-11-12
SHENZHEN SILVER STAR INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this application is to provide a motor forward and reverse control circuit and robot, aiming to solve the defect that the traditional motor forward and reverse control circuit cannot perform single signal control while single power input

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  • Motor forward and reverse rotation control circuit and robot
  • Motor forward and reverse rotation control circuit and robot
  • Motor forward and reverse rotation control circuit and robot

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Embodiment Construction

[0038] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0039] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0040]It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other i...

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PUM

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Abstract

A motor forward and reverse rotation control circuit and a robot belong to the field of motor driving, and are connected with a motor. When a second control signal is accessed, a first voltage conversion circuit converts an input voltage into a reverse power supply voltage of the motor according to the second control signal; the second switching circuit outputs a third control signal according to the second control signal; the second voltage conversion circuit converts the input voltage into a forward power supply voltage of the motor according to a third control signal; the first voltage conversion circuit and the second voltage conversion circuit work at most one time at the same moment; a motor forward and reverse rotation control circuit with single power supply input and single signal control is realized; due to single-signal control, the risks of time delay and short circuit do not exist, and port resources of the microprocessor are saved; and due to single power supply input, the circuit is simplified, and the cost is reduced.

Description

technical field [0001] The application belongs to the field of motor drive, and in particular relates to a motor forward and reverse control circuit and a robot. Background technique [0002] The traditional motor forward and reverse control circuit mainly has the following methods. The first is the manual switching control circuit of the double-pole mechanical switch, and its main disadvantage is that manual control is required and the operation is complicated. The second is the H-bridge triode control circuit. Its main disadvantage is that it uses dual-signal control, resulting in low accuracy of triode switching time control, prone to short circuits, and the use of triodes leads to low overcurrent capability. The third is the half-bridge dual power supply control circuit. Its main disadvantage is that it is controlled by dual signals, requires dual power supplies, and has precise requirements for switching control time. At the same time, the use of triodes results in low...

Claims

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Application Information

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IPC IPC(8): H02P7/03H02P23/24
CPCH02P7/03H02P7/05H02P23/24
Inventor 陈后君
Owner SHENZHEN SILVER STAR INTELLIGENT TECH CO LTD
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