Medium-voltage capacitive energy storage welding machine

A capacitor energy storage and welding machine technology, which is applied to energy storage discharge welding, welding power sources, etc., can solve the problems of large space occupation, large number of capacitors, and high cost, and achieve the effects of energy saving, operation safety, and utilization rate improvement.

Active Publication Date: 2012-02-15
HERON INTELLIGENT EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The charging and discharging voltage of the low-voltage capacitor energy storage welding machine is lower than 450V, which belongs to low voltage and is safer in the application process. However, the low-voltage capacitor energy storage welding machine requires too many capacitors, high cost, and takes up a lot of space.

Method used

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  • Medium-voltage capacitive energy storage welding machine
  • Medium-voltage capacitive energy storage welding machine

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Embodiment Construction

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0018] see figure 1 , the circuit module diagram of the medium-voltage capacitor energy storage welding machine provided by Embodiment 1 of the present invention.

[0019] The medium-voltage capacitor energy storage welding machine provided in this embodiment includes: a three-phase power supply 1, a step-up transformer 2, a three-phase rectification module 3, an energy storage module 4 and a welding transformer module 5; details are as follows:

[0020] The step-up transformer 2 is connected to the three-phase alternating current, and performs step-up processing on the input alternating current.

[0021] The three-phase rectification module 3 is respectively connected with the step-up transformer 2 and the energy storage module 4 ; the three-phase rectification module 3 rect...

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PUM

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Abstract

The invention discloses a medium-voltage capacitive energy storage welding machine, which comprises a three-phase power source, a step-up transformer, a three-phase rectifier module, an energy storage module and a welding transformation module, wherein the step-up transformer is connected with three-phase alternate current to perform step-up treatment on input alternate current; the three-phase rectifier module is connected with the step-up transformer and the energy storage module respectively; the alternate current which is stepped up is rectified into direct current by the three-phase rectifier module and is charged to the energy storage module; the voltage value of the direct current is 500-1,000V; the energy storage module comprises a plurality of energy storage capacitors; the energy storage capacitors are metal thin film non-polar capacitors, and the withstand voltage of the energy storage capacitors is more than 1,000V; and the welding transformation module is connected with an output end of the energy storage module. The medium-voltage capacitive energy storage welding machine provided by the invention is safe in operation and is cost-saving.

Description

technical field [0001] The invention relates to the technical field of electric welding machines, in particular to a medium-voltage capacitor energy storage welding machine. Background technique [0002] The capacitor energy storage welding machine uses the electric energy stored in the capacitor to release the current in an instant, and discharges the welding point of the workpiece instantaneously, so that the welding point of the workpiece is melted at a high temperature instantly, thereby realizing welding. Capacitor energy storage welding machine is widely used in the welding of low carbon steel, stainless steel, copper and alloy. [0003] At present, the existing capacitor energy storage welding machines are mainly high-voltage capacitor energy storage welding machines or low-voltage capacitor energy storage welding machines. Among them, the charging and discharging voltage of the high-voltage capacitor energy storage welding machine is between 2800V and 3000V. During ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K11/26
Inventor 邹春芽
Owner HERON INTELLIGENT EQUIP CO LTD
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