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Single-phase inversion control box

A single-phase inverter and control box technology, applied in the field of control boxes, can solve the problems of simple structure, single function, and cannot be combined in parallel, and achieve the effects of stable operation, strong anti-interference ability and simple structure

Inactive Publication Date: 2020-06-16
HUBEI TRESS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the existing inverters are simple in structure and single in function, each inverter can only operate independently, and cannot be combined in parallel, so it cannot meet some specific actual working conditions; and the existing inverters are working susceptible to electromagnetic interference, and these inverters are difficult to support a variety of communication methods and LCD liquid crystal display

Method used

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Examples

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Embodiment Construction

[0011] see Figure 1-3 , a single-phase inverter control box, including a box body 14 and a box door 15, a fixed foot 16 is provided at the bottom of the box body 14, and the box body 14 is provided with an inlet and outlet port 17 and a data bus communication interface 18; The single-phase inverter system is installed in the box, and the single-phase inverter system includes a DC / DC conversion circuit 1, a capacitor bank voltage stabilization circuit 2, an inverter circuit 3 and an LC filter circuit 4 connected in sequence, and is equipped with an MCU for processing A5 and MCU processor B6; DC input terminal 7 is provided on the input side of DC / DC conversion circuit 1, and control switch S1, control switch S2 and AC output terminal 8 are sequentially provided on the output side of LC filter circuit 4 , and the front side of the AC output terminal 8 is equipped with a current transformer 9; the MCU processors A5 and B6 are connected to each other for communication; the MCU pr...

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Abstract

The invention discloses a single-phase inversion control box. The single-phase inversion control box comprises a box body and a box door; the bottom of the box body is provided with fixing support legs; the box body is provided with a wire inlet, a wire outlet and a data bus communication interface; a single-phase inversion system is arranged in the box body; the single-phase inversion system comprises a DC / DC conversion circuit, a capacitor bank voltage stabilizing circuit, an inversion circuit and an LC filter circuit which are connected in sequence and is provided with an MCU processor A and an MCU processor B; the MCU processor A collects current and voltage information of the input side of the DC / DC conversion circuit in real time and controls the on-off state of a control switch S1 according to information transmitted by the DC / DC conversion circuit; the MCU processor B collects the current information of the front side of an alternating current output wiring terminal in real time and controls the on-off state of a control switch S2 according to information transmitted by the capacitor bank voltage stabilizing circuit and the inversion circuit. The single-phase inversion control box is simple in structure, stable in operation and high in anti-interference capability, and can control the parallel combined operation of multiple inverters.

Description

technical field [0001] The invention relates to a control box, in particular to a single-phase inverter control box. Background technique [0002] At present, the existing inverters are simple in structure and single in function, each inverter can only operate independently, and cannot be combined in parallel, so it cannot meet some specific actual working conditions; and the existing inverters are working It is vulnerable to electromagnetic interference, and it is difficult for these inverters to support multiple communication methods and LCD liquid crystal displays. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentioned problems existing in the existing inverter, and to provide a single-phase inverter control box. [0004] The specific solution of the present invention is: a single-phase inverter control box, including a box body and a box door, fixed feet are provided at the bottom of the box body, and inlet and outlet p...

Claims

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Application Information

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IPC IPC(8): H02M7/00H05K7/20
CPCH02M7/003H05K7/20918
Inventor 彭景生
Owner HUBEI TRESS TECH