Data protection method and apparatus as well as power supply module

A power supply module and data protection technology, applied in the direction of data processing power supply, etc., can solve the problems of cloudless terminal data protection, data loss, system startup failure, etc., and achieve the effect of improving data security and system stability

Inactive Publication Date: 2016-06-01
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1: The file system will be repaired at the next startup, and some data will be lost
[0004] 2: The file system is abnormal, the system will fail to start, and it

Method used

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  • Data protection method and apparatus as well as power supply module
  • Data protection method and apparatus as well as power supply module
  • Data protection method and apparatus as well as power supply module

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] figure 1 Shown is a schematic structural diagram of an existing power supply circuit, based on figure 1 In the structure shown, when the terminal is abnormally powered off, the power supply chip will be directly powered off, so that the file system cannot be synchronized in real time, causing data loss or abnormality. In order to solve the above problems,

[0032] In the embodiment of the present invention, the data protection in the case of abnormal power failure is realized through the circuit transformation of the power supply part on the hardware and the cooperation on the software. The circuit transformation of the power supply part is mainly to interrupt the CPU during abnormal power failure, and to use a large capacitor to delay power failure.

[0033] figure 2 It is a schematic flow chart of a data protection method according to an embodiment of the present invention, such as figure 1 As shown, the method includes:

[0034] Step 201: When the system is abnorm

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PUM

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Abstract

Embodiments of the invention disclose a data protection method and apparatus as well as a power supply module. The method comprises the steps that when a system abnormally loses power, the power supply module of a terminal device starts delayed power supply; a central processing unit (CPU) module of the terminal device sends a stop signal to all processes in the system and synchronizes system files; and the CPU module of the terminal device turns off the system. After the system abnormally loses the power, the power supply can be delayed for a period of time to synchronize the file system, so that according to the technical scheme provided by the embodiments of the invention, the data protection in a scene of abnormal power losing can be realized and the data security and the system stability are improved.

Description

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Claims

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Application Information

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Owner ZTE CORP
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