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Energy storage welding machine control method and device

A technology of energy storage welding machine and control method, which is applied in the direction of circuit device, battery circuit device, transportation and packaging, etc., which can solve the problem of inability to accurately control three-phase rectifier silicon controlled rectifiers, large demand for power grid capacity, and control accuracy. No high-level problems, achieve the effect of shortening the charging time, wide application range, and good system stability

Inactive Publication Date: 2018-06-19
HERON INTELLIGENT EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] This method uses PLC as the main controller, and the scanning period is long, and it is impossible to accurately control the conduction angle of the three-phase rectifier thyristor in each half-wave, and the control accuracy is not high, and this method has a great demand for the network capacity of the power grid. Big and takes a long time to charge

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  • Energy storage welding machine control method and device
  • Energy storage welding machine control method and device
  • Energy storage welding machine control method and device

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0033] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The invention provides an energy storage welding machine control method and a device and relates to the welding machine technology field. The energy storage welding machine control method comprises the following steps of starting an energy storage welding machine and using a boosting transformer to boost a three-phase alternating current; triggering and starting a three-phase full bridge rectification module and rectifying the boosted three-phase alternating current into a direct current; charging an energy storage capacitor group and using the rectified direct current to charge the energy storage capacitor group; and detecting the charging voltage of the energy storage capacitor group in real time, and when the charging voltage reaches a preset voltage value, switching the three-phase full bridge rectification module into a single-phase rectification mode. By using the energy storage welding machine control method, a charging current is stable, charging efficiency is high, and the stability of the welding machine can be effectively increased. By using the energy storage welding machine control device, the charging current is stable, the charging efficiency is high and cost is low.

Description

technical field [0001] The present invention relates to the technical field of welding machines, in particular to a method and device for controlling an energy storage welding machine. Background technique [0002] In the prior art, it is composed of PLC, three-phase intelligent charging module, voltage detection board, and current detection board. The welding voltage value is set through the touch screen, and then the PLC calculates the analog voltage value required by the three-phase intelligent module, and outputs the voltage The three-phase intelligent charging module controls the switching on and off of the thyristor to charge the capacitor. When the PLC sends the charging signal to the three-phase module, it continuously detects the real-time voltage on the capacitor, feeds back the voltage result once every 10ms, and controls the analog voltage value according to the feedback voltage value to adjust the charging current and speed. [0003] This method uses PLC as the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/02H02J7/04H02J7/10
CPCH02J7/022H02J7/045H02J7/06H02J7/345H02J2007/10H02J2207/20
Inventor 艾俊
Owner HERON INTELLIGENT EQUIP CO LTD
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