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an intelligent terminal

A technology for smart terminals and starting power supplies, which is applied to circuit devices, electrical components, etc., and can solve problems such as export misoperation and low reliability of smart terminals

Active Publication Date: 2020-12-11
XUJI GRP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an intelligent terminal, which is used to solve the problem of low reliability of the intelligent terminal caused by export misoperation caused by the current intelligent terminal using a single chip control

Method used

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Embodiment Construction

[0016] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0017] This embodiment proposes an intelligent terminal, including a CPU, FPGA, a starting power supply, an outlet relay, and a shift register. The CPU sends a control signal to the outlet relay through the FPGA. The start code or the start power off code is shifted into the shift register, and then the data is latched and output to control the operation of turning on and off the start power supply, and combined with the control signal to realize the control of the exit relay.

[0018] The above-mentioned intelligent terminal is specifically as follows: figure 2 As shown, it includes two shift registers. The shift register adopts SN74HC595 chip (referred to as 595 chip in the figure). One of the shift registers controls the operation of turning on and off the boot power through the corresponding boot power, and combines the CPU with the FPG...

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PUM

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Abstract

The invention relates to an intelligent terminal and belongs to the field of power system substation automation technologies. The intelligent terminal comprises a power controller, an exit controller,a starting power source, an exit relay and a shifting register, wherein the exit controller controls the exit relay, the power controller controls and is connected with the starting power source through the shifting register and is used for performing data latching output after a starting power source startup code or a starting power source shutdown code is moved into the shifting register and controlling the operation of starting up the starting power source and shutting down the starting power source, and only when the starting power source is started up can control of the exit relay by theexit controller be effective. Through the intelligent terminal, segmented control by the power controller and the exit controller is realized, the reliability of tripping of a corresponding relay ofthe intelligent terminal is improved, the situation that maloperation cannot be performed in case of single-chip failure, program fleeting and a hardware fault is effectively guaranteed, and safe andstable running of an intelligent power grid is benefited.

Description

technical field [0001] The invention belongs to the technical field of power system substation automation, and in particular relates to an intelligent terminal. Background technique [0002] As an important feature of the smart substation, the smart terminal is a typical device in the process layer of the three-layer structure of the smart substation. It is suitable for various phase separation and three-phase switch intervals of smart substations of various voltage levels in the power system. The intelligent terminal publishes and collects information directly or through the process layer network based on the GOOSE service, receives instructions directly or through the process layer network based on the GOOSE service, drives the actuator to complete the control of the exit of the corresponding exit relay, and completes the circuit breaker in the interval and its related isolation knife. Operation control and status monitoring of switch, grounding knife switch and fast groun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J13/00
Inventor 朱建斌金全仁杨智德李宝伟李刚郑拓夫赵会彬闫志辉李旭陈号倪传坤周水斌张文赵应兵田萍邓茂军凌特利李萌
Owner XUJI GRP