CN202997699U

CN202997699U - Intelligent breaker controller

Info

Publication number: CN202997699U
Application number: CN 201220637441
Authority: CN
Inventors: 唐卫军
Original assignee: Shaanxi Yatai Electric Appliance Co Ltd
Current assignee: Shaanxi Yatai Electric Appliance Co Ltd
Priority date: 2012-11-27
Filing date: 2012-11-27
Publication date: 2013-06-12
Anticipated expiration: 2022-11-27

Abstract

The utility model discloses an intelligent breaker controller. The intelligent breaker controller comprises a signal collection module for collecting working voltage and current signals and frequency signals of circuits of a breaker, a single-chip microcomputer control module for receiving an output signal of the signal collection module, and a power supply module for powering electric components of the system, wherein an input terminal of the single-chip microcomputer control module is connected with a button input module, an output terminal of the single-chip microcomputer control module is connected with a liquid crystal display module and an execution module, the execution module is connected with an anti-interference module for connecting a signal line of the execution module and the power module to the ground through a piezoresistor, the single-chip microcomputer control module is connected with a communication module, the signal collection module includes an air-core mutual inductor and a signal conditioning circuit connected with the air-core mutual inductor, and the execution module includes an execution component for operating a motor reclosing module, and a reset circuit and a release control unit both connected with the execution component. The intelligent breaker controller has the advantages of quick response, and high monitoring performance, and is capable of performing remote opening and closing.

Description

A kind of Intelligent Circuit Breaker Controller

Technical field

The utility model relates to a kind of Intelligent Circuit Breaker Controller.

Background technology

Low-voltage circuit breaker is as one of important electrical equipment in distribution system, and the protection distribution network is avoided the damage of the faults such as short circuit, overload and ground connection ....Using electricity system is more and more higher to the requirement of circuit breaker, and circuit breaker is also gradually from electromagnetic type to developing to electronic type.Short-circuiting device electromagnetic type ubiquity intellectuality in the market is not high, segmentation ability, unstable properties, operational danger is high, function singleness, monitoring property is poor, can not Long-distance Control etc., and country greatly develops intelligent grid, this distribution product that just requires to match with it must be intelligent, networking, and intelligent circuit breaker is because its development speed is more and more faster, intelligent circuit breaker is also because its advantage that also has more and more is subject to liking of the upper user of society.

The utility model content

The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of Intelligent Circuit Breaker Controller is provided.This Intelligent Circuit Breaker Controller is quick fast, good stability, and powerful, intelligent degree is high, and monitoring property is strong, and accuracy is high, can long-range divide-shut brake, anti-interference is good, is convenient to promote the use of.

for achieving the above object, the technical solution adopted in the utility model is: a kind of Intelligent Circuit Breaker Controller, it is characterized in that: comprise for gathering each line work voltage of circuit breaker, the signal acquisition module of current signal and frequency signal and be used for to receive the single chip control module of signal acquisition module output signal and be the power module that each power unit of system is powered, the input of described single chip control module is connected to the keyboard input module of setting for to the circuit breaker performance parameter, the output of described single chip control module is connected to for showing in real time the voltage of circuit breaker, the LCD MODULE of electric current and failure cause information and being used for the close a floodgate Executive Module of sub-switching operation of short-circuiting device, described Executive Module is connected to for Executive Module holding wire and power module are accessed the immunity module of the earth by piezo-resistance, described single chip control module is connected to communication module, described communication module is used for the operating voltage with each circuit, the working condition of current signal and frequency signal and circuit breaker is passed to host computer by network, described signal acquisition module comprises hollow mutual inductor and the signal conditioning circuit that joins with hollow mutual inductor, described Executive Module comprise for the execution original paper that the motor restart module is operated and all with reset circuit and the release control unit carrying out original paper and join.

Above-mentioned a kind of Intelligent Circuit Breaker Controller is characterized in that: described power module three end variable voltage sources used adopt TL431.

Above-mentioned a kind of Intelligent Circuit Breaker Controller is characterized in that: the microprocessor of described single chip control module adopts the MSP430F449 single-chip microcomputer.

Above-mentioned a kind of Intelligent Circuit Breaker Controller is characterized in that: described communication module adopts the MODBUS serial communication module.

The utility model compared with prior art has the following advantages:

1, reasonable in design: comprise power module, signal acquisition module, control module, keyboard input module, display module, output Executive Module, immunity module.

2, good stability: the utility model is all used integrated circuit in a lot of modules, reduces peripheral circuit, system's stable output.

3, intelligent degree is high: the utility model adopts the Single-chip Controlling circuit breaker, and automaticity is high and can realize the host computer remote operation.Meet following intelligent grid development trend.

4, monitoring property is strong: the utility model adopts the liquid crystal output module, Real-Time Monitoring circuit voltage current signal, and can control by host computer, parameters has stronger monitoring capability.

5, accuracy rate is high: the utility model acquisition module sampling precision is high, has guaranteed to monitor to such an extent that the signal accuracy rate is high.

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

Description of drawings

Fig. 1 is schematic block circuit diagram of the present utility model.

Fig. 2 is the schematic block circuit diagram of the utility model Executive Module.

Fig. 3 is the schematic block circuit diagram of the utility model signal acquisition module.

Description of reference numerals:

1-power module; 2-signal acquisition module; 2-1-hollow mutual inductor;

2-2-signal conditioning circuit; 3-single chip control module; 4-communication module;

5-keyboard input module; 6-LCD MODULE; 7-Executive Module;

7-1-execution original paper; 7-2-reset circuit; 7-3-release control unit;

7-4-motor restart module; 8-immunity module.

Embodiment

as Fig. 1, Fig. 2 and a kind of Intelligent Circuit Breaker Controller shown in Figure 3, comprise for gathering each line work voltage of circuit breaker, the signal acquisition module 2 of current signal and frequency signal and be used for to receive the single chip control module 3 of signal acquisition module 2 output signals and be the power module 1 that each power unit of system is powered, the input of described single chip control module 3 is connected to for the keyboard input module 5 that the circuit breaker performance parameter is set, the output of described single chip control module 3 is connected to for showing in real time the voltage of circuit breaker, the LCD MODULE 6 of electric current and failure cause information and being used for the close a floodgate Executive Module 7 of sub-switching operation of short-circuiting device, described Executive Module 7 is connected to for Executive Module 7 holding wires and power module 1 are accessed the immunity module 8 of the earth by piezo-resistance, described single chip control module 3 is connected to communication module 4, the operating voltage that described communication module 4 is used for each circuit, the working condition of current signal and frequency signal and circuit breaker is passed to host computer by network, described signal acquisition module 2 comprises hollow mutual inductor 2-1 and the signal conditioning circuit 2-2 that joins with hollow mutual inductor 2-1, described Executive Module 7 comprise for the execution original paper 7-1 that motor restart module 7-4 is operated and all with the reset circuit 7-2 and the release control unit 7-3 that carry out original paper 7-1 and join.

In the present embodiment, described power module 1 three end variable voltage sources used adopt TL431.The microprocessor of described single chip control module 3 adopts the MSP430F449 single-chip microcomputer.Described communication module 4 adopts the MODBUS serial communication module.

the course of work of the present utility model is: switch and upper after, power module 1 begins power supply, press the self check button, system begins self check, system's operation is undesired reports to the police, normal operation, open interruption, set electric current and voltage setting value, hollow mutual inductor 2-1 extracts A, B, C.N line work voltage, current signal, after rectifying and wave-filtering, send into signal conditioning circuit 2-2 and carry out signals collecting and A/D conversion, sample and send into single chip control module 3 after complete, after single chip control module 3 is processed the effective value of calculating book periodic current voltage by analysis, outputing to LCD MODULE 6 compares with set definite value simultaneously, as surpassing set point, decision circuitry breaks down, compare with setting release value again, through release control unit 7-3, release output trip signal is carried out sub-switching operation by carrying out original paper 7 if need to thread off, single chip control module 3 obtains with host computer by Ethernet and communicates by letter simultaneously, can the remote setting parameter, the remote switching sub-switching operation.

The above; it is only preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection range of technical solutions of the utility model.

Claims

1. Intelligent Circuit Breaker Controller, it is characterized in that: comprise for gathering each line work voltage of circuit breaker, the signal acquisition module of current signal and frequency signal (2) and be used for to receive the single chip control module (3) of signal acquisition module (2) output signal and be the power module (1) that each power unit of system is powered, the input of described single chip control module (3) is connected to for the keyboard input module that the circuit breaker performance parameter is set (5), the output of described single chip control module (3) is connected to for showing in real time the voltage of circuit breaker, the LCD MODULE of electric current and failure cause information (6) and being used for the close a floodgate Executive Module (7) of sub-switching operation of short-circuiting device, described Executive Module (7) is connected to for Executive Module (7) holding wire and power module (1) are accessed the immunity module (8) of the earth by piezo-resistance, described single chip control module (3) is connected to communication module (4), described communication module (4) is used for the operating voltage with each circuit, the working condition of current signal and frequency signal and circuit breaker is passed to host computer by network, described signal acquisition module (2) comprises hollow mutual inductor (2-1) and the signal conditioning circuit (2-2) that joins with hollow mutual inductor (2-1), described Executive Module (7) comprise for the execution original paper (7-1) that motor restart module (7-4) is operated and all with reset circuit (7-2) and the release control unit (7-3) carrying out original paper (7-1) and join.

2. a kind of Intelligent Circuit Breaker Controller according to claim 1, is characterized in that: described power module (1) three end variable voltage sources employing TL431 used.

3. a kind of Intelligent Circuit Breaker Controller according to claim 1, is characterized in that: the microprocessor employing MSP430F449 single-chip microcomputer of described single chip control module (3).

4. a kind of Intelligent Circuit Breaker Controller according to claim 1, is characterized in that: described communication module (4) employing MODBUS serial communication module.