Address coding method for intelligent feeder switch module in power system

A feeder switch and power system technology, applied in the field of coding, can solve the problem of low resource occupation, increase reliability, prevent misoperation, and prevent address errors

Active Publication Date: 2013-06-26
SHENZHEN TIEON ENERGY TECH
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  • Abstract
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Problems solved by technology

[0003] In order to solve the problems existing in the existing module address coding and its implementation, a new type of address coding technology with low res

Method used

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  • Address coding method for intelligent feeder switch module in power system
  • Address coding method for intelligent feeder switch module in power system

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Example

[0011] Example 2: The method of changing the resistance of at least three AD input collection ports of the single-chip microcomputer includes connecting 9 fixed-value resistors Rn in parallel, one end is grounded, and the other end is connected in series with each AD input collection port through a fixed-value resistor Rm. The value of each digit in the decimal system is determined by 10 resistors. 9 of the 10 resistors are arranged in a row, representing 0-9, which are connected in parallel and connected in series with the remaining 1 resistor. The voltage difference between 9 parallel resistors is collected through one AD channel of the single-chip microcomputer. According to the number of welding resistances, 10 different voltage values ​​are collected, representing the value of 0-9. If the reference voltage of AD is 5V, it is convenient For the sake of simplicity, use 10 resistors of the same 10kΩ. According to the accuracy of AD and resistance, such as 0.5% and 1%, 5V can b...

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Abstract

An address coding method for an intelligent feeder switch module in a power system includes: setting voltage range output by the address signal of modules in a switch module, dividing the voltage range into sections as many as the modules; allowing at least three AD (analog/digital) input acquisition ports of a single-chip microcomputer to respectively detect output voltage of each module address signal; and judging addresses of the modules by comparing the voltage with the set sections. Decimal coding allows reading and setting of module addresses to be visual and convenient, loss caused by address errors due to reading and setting is prevented, reliability is increased, wearing parts are omitted, and the module damage and misoperation are not easy to happen in use. In addition, production cost can be lowered, few hardware sources of the single-chip microcomputer are used, small circuit board area is occupied, and assembly is easier.

Description

technical field [0001] The invention relates to coding technology, in particular to the application of the decimal coding technology in the intelligent feeder switch module of the electric power system. Background technique [0002] According to the medium and long-term planning of the smart grid construction of the State Grid, all smart devices are realizing different degrees of automation. In order to facilitate the expansion and maintenance of device functions, each smart device is composed of various modules that work together in communication In the network, therefore, the setting and reading of the communication address of the module is a very critical task. If the setting and reading are incorrect, not only the normal operation of the module itself will be affected, but also the normal operation of the entire network will be affected. The traditional address coding method adopts the method of dial switch. The advantage of adopting this method is that it is easier to d...

Claims

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Application Information

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IPC IPC(8): G05B19/042
Inventor 关平董泊安
Owner SHENZHEN TIEON ENERGY TECH
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