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Block compressed storage method of industrial data

A technology for compressing storage and industrial data, which is applied in the direction of electrical digital data processing, special data processing applications, instruments, etc. It can solve the problems of affecting productivity, error-prone, wasting storage space, etc., and achieve high storage security, save storage space, The effect of reducing data headers

Inactive Publication Date: 2012-07-04
MICROCYBER CORP
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Problems solved by technology

The above method requires industrial control equipment to provide a large amount of hard disk space to store data, which not only wastes storage space, but also is prone to errors; however, with the increase of data, the operating efficiency of system equipment will also be greatly reduced, affecting productivity
A large amount of data will bring great difficulty to the maintenance of the staff

Method used

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  • Block compressed storage method of industrial data
  • Block compressed storage method of industrial data
  • Block compressed storage method of industrial data

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Embodiment Construction

[0031] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0032] A block-compressed storage method for industrial data, comprising a database unit, in which a plurality of data blocks are stored, and the same type of data in the same period of time is stored in the one data block.

[0033] The described block compression storage method comprises the following steps:

[0034] Step 1, obtain the path of the database unit file;

[0035] Step 2, open the database unit file according to the path of the acquired database unit file;

[0036] Step 3, searching for keywords of each data block in the database unit file;

[0037] Step 4, read the data part of the found data block, and select the way to store the current data to be stored by comparing the storage start time of the data block with the end time of the data to be stored.

[0038] In the step 2, if the database unit file cannot be opened according to the obtaine...

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Abstract

The invention discloses a block compressed storage method of industrial data, comprising a database unit, wherein a plurality of data blocks are stored in the database unit and the data of the same type in the same period of time are stored in one data block. The block compressed storage method comprises the following steps: step 1, acquiring a path of a database unit file; step 2, opening the database unit file according to the obtained path of the database unit file; step 3, searching a keyword of each data block in the database unit file; and step 4, reading a data part of the searched data block and selecting a way for storing the current data to be stored by comparing storage starting time of the data block with finishing time of the data to be stored. According to the method provided by the invention, the industrial data can be stored by a block compressed way according to time slots; and the block compressed storage method of the industrial data has the advantages of convenience for storage, small space occupied by the data, convenience for maintenance and the like.

Description

technical field [0001] The invention relates to a method for storing industrial data, in particular to a block-compressed storage method for industrial data. Background technique [0002] In industrial automation production, industrial control equipment lasts for a long time, and it is necessary to record the data generated during the working process of industrial equipment; industrial control equipment reads / stores a large amount of data and complex data items. The traditional operation method is to store a large amount of data to the hard disk. The above method requires industrial control equipment to provide a large amount of hard disk space to store data, which not only wastes storage space, but also is prone to errors; however, with the increase of data, the operating efficiency of system equipment will also be greatly reduced, affecting productivity. A large amount of data will bring great difficulty to the maintenance of the staff. Contents of the invention [000...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 王宏林跃康凯姬小兵张锐
Owner MICROCYBER CORP
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