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Time correction method and device and computer readable storage medium

A time correction and time technology, which can be used to change the direction of time indication, electronic timer, signal transmission system, etc., and can solve problems such as clock deviation of electric energy meters.

Active Publication Date: 2020-08-25
WASION GROUP HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The main purpose of the present invention is to provide a time correction method, device and computer-readable storage medium, aiming to solve the problem of internal clock deviation of the electric energy meter

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  • Time correction method and device and computer readable storage medium
  • Time correction method and device and computer readable storage medium
  • Time correction method and device and computer readable storage medium

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Embodiment Construction

[0045] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0046] The main solution of the embodiment of the present invention is:

[0047] Due to the existing technology, after the electric energy meter is connected to the grid for a long time, the internal clock deviation will produce a cumulative deviation as the network connection time increases. If the cumulative deviation is not corrected for a long time, it may affect multiple functions of the electric energy meter.

[0048] The present invention provides a solution, by acquiring the standard time, the calibration record and the current clock time of the electric energy meter, judging the first time difference between the standard time and the calibration time in the calibration record, the standard time and the calibration time When the second time difference of the current clock time satisfies the preset time correct...

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Abstract

The invention discloses a time correction method. the method comprises: acquiring network standard time, reading the stored latest time correction record; wherein the time correction record comprisescorrection time; reading the current clock time of the connected electric energy meter; judging whether a first time difference value between the standard time and the correction time and / or a secondtime difference value between the standard time and the current clock time meets a preset time correction condition or not; and if the first time difference value and / or the second time difference value meet / meets a preset timing condition, correcting the current clock time to the standard time. The invention further discloses a time correction device and a computer readable storage medium. The invention aims to solve the problem of clock skew in the electric energy meter.

Description

technical field [0001] The invention relates to the technical field of time correction, in particular to a time correction method, device and computer-readable storage medium. Background technique [0002] With the expansion of the electric energy meter market, the number of electric energy meters connected to the grid is increasing, so the requirements for the life of the electric energy meter are getting longer and longer, and the functional requirements for the electric energy meter are also increasing. [0003] At present, after the electric energy meter is connected to the grid for a long time, the internal clock deviation will produce a cumulative deviation as the network connection time increases. If the cumulative deviation is not corrected for a long time, it may affect multiple functions of the electric energy meter. Contents of the invention [0004] The main purpose of the present invention is to provide a time correction method, device and computer-readable st...

Claims

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Application Information

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IPC IPC(8): G04G5/00G08C17/02G08C25/00
CPCG04G5/00G08C17/02G08C25/00
Inventor 张健王建忠孙睿胡忠勇刘伟
Owner WASION GROUP HLDG