Circuit for realizing computer soft off and control method thereof

A technology of computer and soft shutdown, which is applied in the circuit and control field of realizing computer soft shutdown, and can solve problems such as use occasions that cannot meet safety requirements

Active Publication Date: 2011-10-19
NANJING LES INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, ATX is always working. Although it can realize the function of soft shutdo

Method used

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  • Circuit for realizing computer soft off and control method thereof
  • Circuit for realizing computer soft off and control method thereof

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Embodiment Construction

[0017] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should understand that following specific embodiment is only for illustrating the present invention and is not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand the present invention Modifications in various equivalent forms fall within the scope defined by the appended claims of the present application.

[0018] The invention provides a circuit and a control method for realizing soft shutdown of a computer.

[0019] Please combine figure 1 As shown, the circuit includes an AT power supply, a logic control circuit connected to the AT power supply, a relay, and a double-pole single-throw reset switch. One group of contacts of the DPST reset switch is connected to the logic control circuit; after another group of contacts is connected in parallel with the relay, one end of t...

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Abstract

The invention provides a circuit for realizing the soft off of a computer, and a control method thereof. A double-pole single-throw reset switch is arranged; moreover, one group of contacts of the double-pole single-throw reset switch are connected with a logic control circuit; and another group of contacts of the double-pole single-throw reset switch are connected with a relay in parallel, and then the ends of the contacts connected with the relay in parallel are connected with an AT power supply, therefore, the soft off function can be realized by using the logic control circuit to control the connection of the relay and the complete disconnection of the circuit can be realized by using the logic control circuit to control the disconnection of the relay so as to satisfy use occasions with higher safety requirements.

Description

technical field [0001] The invention relates to a computer circuit, in particular to a circuit for realizing soft shutdown of a computer and a control method thereof. Background technique [0002] At present, the power supply used by the computer is divided into AT power supply and ATX power supply. [0003] The AT power supply has no control signal, and there is output when there is input. The power switch of the computer directly controls the input of the power supply. To shut down the computer, the operating system must be turned off first, and then the power switch must be turned off, which is cumbersome to operate. [0004] The ATX power supply adds a backup power supply 5VSB and a control signal PS ON# on the basis of the AT power supply. When PS ON# is effective, the main output of the power supply is turned off, and only 5VSB is output. That is, ATX is always working. Although it can realize the function of soft shutdown of the computer, it cannot meet the use occ...

Claims

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Application Information

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IPC IPC(8): G06F1/26
Inventor 徐伟张继恒尹剑峰蔡建军高志军
Owner NANJING LES INFORMATION TECH
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