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Circuit for preventing counting omission of pulse data in power load management terminal

A technology for managing terminals and power loads. It is applied to synchronous pulse counters, circuit devices, electrical components, etc., and can solve the problems that terminals cannot collect data normally and lose pulse data.

Inactive Publication Date: 2015-07-01
SHANGHAI XIETONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, the application program of the terminal is not running yet, so the terminal cannot collect data normally, and some pulse data will be lost, which is not allowed for the power company

Method used

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  • Circuit for preventing counting omission of pulse data in power load management terminal
  • Circuit for preventing counting omission of pulse data in power load management terminal
  • Circuit for preventing counting omission of pulse data in power load management terminal

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Experimental program
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Embodiment Construction

[0026] image 3 An electrical block diagram showing a circuit for preventing omission of pulse data for an electric load management terminal according to an embodiment of the present invention. Such as image 3 As shown, the circuit as a whole mainly includes a pulse input conditioning circuit 10 , an isolation circuit 20 , a pulse counting circuit 30 , a pulse timing circuit 40 and an MCU 50 .

[0027] The pulse input conditioning circuit 10 and the isolation circuit 20 are the original design of the electric load management terminal. After the external pulse is input, it needs to be conditioned and isolated before it can be received by the terminal. The purpose of setting the isolation circuit 20 is to prevent external interference from affecting the normal operation of the terminal. The function of the pulse input conditioning circuit 10 is to perform shaping and level conversion on the pulse input.

[0028] In the embodiment of the present invention, a pulse counting c...

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Abstract

The invention relates to a circuit for preventing calculation of pulse data in a power load management terminal. The circuit comprises a pulse input conditioning circuit, an isolating circuit, a pulse counting circuit, a pulse timing circuit and a microcontroller, wherein the pulse counting circuit is connected with the isolating circuit and is used for accumulating the external input pulse and outputting the pulse counting data; the pulse timing circuit is connected with the isolating circuit and is used for starting to time the external input pulse after receiving same and outputting the pulse time data; the microcontroller is to output a zeroing signal to the pulse counting circuit and the pulse timing circuit while startup occurred, so as to drive the pulse counting circuit and the pulse timing circuit to run prior to starting an operating system of the power load management terminal; and moreover, the microcontroller can read the pulse counting data and the pulse time data in each pulse sampling cycle.

Description

technical field [0001] The invention relates to a power load management terminal of a power grid, and more specifically relates to a circuit for preventing missing pulse data used in a power load management terminal. Background technique [0002] The smart grid was proposed by the State Grid Corporation of China in 2008 and implemented. The load control terminal of the smart grid generally sends various commands to the terminals of the smart grid located in various factories and mines by the main station of the power company through a private network or a public network communication channel, and extracts data from the response code. [0003] The negative control terminal of the smart grid is generally installed in various factories and mines, and the remote control output of the terminal is connected to the line switch of each enterprise to control production electricity and domestic electricity respectively. The terminal receives the remote control command from the master...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K23/48H02J13/00
Inventor 张彪鲁奕姚钢
Owner SHANGHAI XIETONG TECH