Quick searching method of identifiers

An identifier and fast technology, applied in the field of retrieval, can solve the problems of slow query speed, huge amount of identifier data, low query efficiency, etc., and achieve the effect of rapid acquisition and high query efficiency.

Inactive Publication Date: 2014-02-19
SUZHOU IND PRAK NEW HONGBO COMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The traditional identifier query method is to directly query a large number of identifiers in sequence, but due to the large amount of identifier data, the query speed is too slow and the query efficiency is extremely low

Method used

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  • Quick searching method of identifiers

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Embodiment Construction

[0018] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] The multi-function electric energy meter is mainly composed of a measuring unit and a data processing unit. In addition to measuring active / reactive electric energy, it also has two or more functions such as time-sharing and measuring demand, and can display, store and output data. The multi-function energy meter communication protocol (DL / T 645-2007 or DL / T 645-1997) specifies the physical connection, communication link and Application technical specifications.

[0020] The multi-function electric energy meter communication protocol (DL / T 645-2007 or DL / T 645-1997) is suitable for the point-to-point or one-master multi-slave communication between the multi-function electric energy meter and the handheld unit (HHU) or other data terminal...

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Abstract

The invention provides a quick searching method of identifiers. The identifier comprises four bytes, and the four bytes are respectively defined as a C1 byte, a C2 byte, a C3 byte and a C4 byte. By the aid of the quick searching method of the identifiers, the four bytes of the C1 byte, the C2 byte, the C3byte and the C4byte are judged in sequence, and accordingly when the identifiers are searched, a search result can be obtained quickly, and the quick search method is high in searching efficiency.

Description

technical field [0001] The present invention relates to a retrieval method, in particular to a rapid retrieval method for identifiers. Background technique [0002] DL / T 645-2007 or DL / T 645-1997 is a multi-function energy meter communication protocol. As a standard in the power industry, its application can be imagined. The protocol defines an identifier for each power parameter, so that the amount of identifier data is huge. Furthermore, when querying the power parameter value, it is only necessary to sequentially call and query the corresponding identifier. [0003] The traditional identifier query method is to directly query a large number of identifiers in sequence, but because the data volume of the identifiers is too large, the query speed is too slow and the query efficiency is extremely low. [0004] In view of this, it is necessary to improve the existing identifier query methods to solve the above problems. SUMMARY OF THE INVENTION [0005] The purpose of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/3331
Inventor 虞黎亮
Owner SUZHOU IND PRAK NEW HONGBO COMM TECH
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