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A switch control circuit for electronic equipment

A technology of switch machine control and electronic equipment, applied in the direction of computer control, program control, general control system, etc., to achieve the effect of ensuring reliability and stability, simple circuit structure, miniaturization and low cost

Inactive Publication Date: 2018-05-04
东莞市腾泽电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a switch control circuit for electronic equipment, which aims to solve the problem in the prior art that the reliability and stability of switch control can not be guaranteed, and the miniaturization and low cost of the circuit can be realized

Method used

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  • A switch control circuit for electronic equipment
  • A switch control circuit for electronic equipment
  • A switch control circuit for electronic equipment

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Experimental program
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Effect test

Embodiment 1

[0033] In the first embodiment of the present invention, the module structure of the switch control circuit of the electronic equipment is as follows: figure 1 As shown, the switch machine control circuit provided by the first embodiment of the present invention includes a controller 100 and a power chip 200, and the controller 100 is a commonly used single-chip microcomputer, ARM processor, MIPS processor, POWER processor or other data logic processing capabilities. programmable controller; the power chip 200 is a commonly used DC-DC converter. When the system in the electronic device is powered on, the controller 100 is powered on, and the first input and output terminal IO1 and the second input and output terminal IO2 of the controller 100 are both in a high-impedance state or an input state (that is, the first input and output terminal IO2 of the controller 100 Both the first input and output terminal IO1 and the second input and output terminal IO2 do not output any signa...

Embodiment 2

[0067] In the second embodiment of the present invention, the module structure of the switch control circuit of the electronic equipment is as follows Figure 7 As shown, the switch machine control circuit provided by the second embodiment of the present invention includes a controller 100 and a power chip 200, and the controller 100 is a commonly used single-chip microcomputer, ARM processor, MIPS processor, POWER processor or other data logic processing capabilities. programmable controller; the power chip 200 is a commonly used DC-DC converter. When the system in the electronic device is powered on, the controller 100 is powered on, and the first input and output terminal IO1 and the second input and output terminal IO2 of the controller 100 are both in a high-impedance state or an input state (that is, the first input and output terminal IO2 of the controller 100 Both the first input and output terminal IO1 and the second input and output terminal IO2 do not output any signa...

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Abstract

The invention belongs to the technical field of electronic circuits, and provides an on-off control circuit of an electronic device. According to the invention, the electronic device adopts the on-off control circuit which comprises an on-off trigger module, an on-off control module and a power supply module, thereby being simple in circuit structure, low in cost and conducive to miniaturization. When a system of the electronic device stays in an on state, a controller outputs control signals and clock signals in a differential time mode if the on-off trigger module continuously receives turn-off trigger actions within a second time period so as to enable the on-off control module to control a power supply chip to stop working, thereby enabling the system to be powered off; and when the system of the electronic device stays in an off state, the on-off control module drives the power supply chip to start working according to turn-on trigger signals outputted by the on-off trigger module if the on-off trigger module receives a turn-on trigger action, thereby enabling the system to be turned on, and being capable of realizing stable and reliable on-off control of the electronic device.

Description

technical field [0001] The invention belongs to the technical field of electronic circuits, and in particular relates to an on / off control circuit of electronic equipment. Background technique [0002] At present, with the rapid development of science and technology, various high-tech electronic devices are widely used in various fields and places to provide convenience for people's work and life. Most electronic devices are turned on almost all the time during use, which not only reduces the service life of electronic devices, but also causes waste of energy. In this regard, in order to realize on / off control of electronic equipment so as to prolong the service life of electronic equipment and reduce energy consumption and emission reduction, the prior art provides the following three on / off control schemes: [0003] (1) Use the switch button and the power management chip to control the switch of the electronic device. The power management chip sends a corresponding switch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042
Inventor 梁大衡
Owner 东莞市腾泽电子科技有限公司