Device and method for AC uninterrupted arc power supply
A technology of power supply device and AC power supply, which is applied in the field of AC high-voltage discharge and high-voltage discharge, and can solve the problems of main AC power supply arc cessation, arc discharge stop, and AC power zero crossing, etc., and achieve the effect of improving production efficiency
Active Publication Date: 2013-06-05
BEIJING GUNGYAO ELECTRICITY EQUIP CO LTD
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Problems solved by technology
[0010] The purpose of the present invention is to provide an AC uninterrupted arc power supply device, which is used to solve the problem that the arc discharge stops due to the zero-crossing phenomenon caused by the characteristics of the AC power supply when the AC power supply is used for high-voltage discharge in the prior art
[0011] Another object of the present invention is to provide an AC uninterrupted arc power supply method, which uses a high-voltage and high-frequency arc-starting power supply to solve the problem of the main AC power supply arc extinguishing in the prior art
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[0042] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.
[0043] Embodiments of the present invention provide an AC uninterrupted arc power supply device and method. The present invention will be described in detail below in conjunction with the accompanying drawings.
[0044] Such as figure 1 Shown is a schematic circuit diagram of an AC uninterrupted arc power supply device of the present invention, including an arc ignition power supply 101 , a first-stage voltage boosting and frequency-upping circuit 102 , a secondary voltage-boosting and frequency-upping circuit 103 , an arc generating device 104 , and a main power supply 105 . The arc striking...
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The invention relates to the field of high-voltage discharge, in particular to a device and a method for AC uninterrupted arc power supply. In order to solve the phenomenon that zero passage arising because of AC power supply adopted in the prior art causes arc stop, a main AC power source of the device provides an arc-generating device with voltage for generating arc; the output of an AC arc-striking power source is subjected to voltage boost and frequency boost through a voltage-frequency boost circuit and then is always loaded on the arc-generating device in order to ignite the arc-generating device; and when the main AC power source has zero passage, the arc-generating device continues to be supplied with power by the output of the AC arc-striking power source subjected to voltage boost and frequency boost in order to generate arc. The method and the device for AC plasma uninterrupted arc power supply have the advantages of no longer suffering from the influence of AC power zero passage when AC is used, allowing equipment to uninterruptedly generate arc for generating plasma, and improving production efficiency.
Description
technical field [0001] The invention relates to the field of high-voltage discharge, in particular to the field of AC high-voltage discharge, in particular to an AC uninterrupted arc power supply device and method. Background technique [0002] Plasma generators can provide an efficient and clean heat source - plasma flow, which is widely used in power plant boiler ignition, cutting, welding, spraying, metallurgy, chemical and waste treatment and other industrial fields, as well as materials, aerospace science field. Thermal plasma has a high temperature and energy density, and contains a considerable number of charged particles (electrons and ions). It is different from high-temperature gases generated by chemical combustion. Many processes that could not be completed in the past can be achieved under plasma conditions. Well realized. In the past 20 years, arc plasma technology has developed rapidly and has a wide range of applications in the industrial field. [0003] I...
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IPC IPC(8): H05H1/48H02M5/10
Inventor赵虎军南德哲邹维国李滨
OwnerBEIJING GUNGYAO ELECTRICITY EQUIP CO LTD