Wide-voltage self-adaptive high-power inversion electric welding machine

A technology of inverter welding machine and wide voltage, applied in the field of high-power inverter welding machine, can solve the problems of high cost, uncompetitive cost, power limitation of electric welding machine, etc., and achieve convenient use, good interference resistance, good bandwidth The effect of voltage adaptability

Active Publication Date: 2016-01-13
广州亦高电气设备有限公司
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  • Description
  • Claims
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Problems solved by technology

However, the above-mentioned design schemes either need to add an additional set of components of the inverter circuit and pay a high cost; or they are obviously heavy and easy to cause human error in operation; or the power that the welding machine can withstand is greatly affected. restrictions, and the cost is not competitive
Therefore, each of the above-mentioned design schemes has irreconcilable shortcomings, and will eventually become a shortcoming in the market competition.

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  • Wide-voltage self-adaptive high-power inversion electric welding machine

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Embodiment Construction

[0017] Such as figure 1 As shown, the wide-voltage self-adaptive high-power inverter electric welding machine described in the present invention mainly includes a wide-voltage switching power supply module 6 and an EMC and rectification module 1 connected in sequence, a filter energy storage and power factor compensation module 2, and a peak wave Surge absorption module 3, full-bridge inverter module 4, and central control module 5. Wherein, the input end of EMC and rectification module 1 is connected with external power supply, the input end of wide-voltage switching power supply module 6 is connected with EMC and rectification module 1, and its output end is connected on the central control module 5, and the full-bridge inverter module 4 The output terminal is connected to the welding electrode. The key to the implementation of the present invention is: through the targeted hardware design of the filter energy storage and power factor compensation module 2, the peak surge a...

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Abstract

Disclosed is a wide-voltage self-adaptive high-power inversion electric welding machine. The high-power inversion electric welding machine mainly comprises a wide-voltage switching power supply module, an electro magnetic compatibility (EMC) and rectifier module, a filtering energy storage and power factor compensation module, a peak surge absorption module, a full-bridge inverter module and a center control module. The EMC and rectifier module, the filtering energy storage and power factor compensation module, the peak surge absorption module, the full-bridge inverter module and the center control module are connected sequentially. The input end of the EMC and rectifier module is connected with an outside power source. The input end of the wide-voltage switching power supply module is connected with the EMC and rectifier module. The output end of the wide-voltage switching power supply module is connected with the center control module. According to the high-power inversion electric welding machine, sue to the fact that the hardware scheme that the filtering energy storage and power factor compensation module and the peak surge absorption module are added to the inversion electric welding machine is adopted in coordination with the corresponding improvement in an algorithm of the center control module, the improved inversion electric welding machine is capable of automatically adapting to voltages changing substantially in different regions on the basis without compromises of the cost and performance and is free of the influences of complex electric interference. The performance is stable and reliable, and the function meets needs, so that the using requirements of customers in the different regions are met conveniently.

Description

technical field [0001] The invention relates to the technical field of high-power inverter welding machines, in particular to a wide-voltage adaptive high-power inverter welding machine. Background technique [0002] With the development of the times, inverter welding machines must face the voltages of different grid standards in different countries in actual work, and the electrical environments used by customers are also diverse and complex: such as construction, mines, industrial production sites, etc. Therefore, the working voltage of the inverter welding machine varies widely, and the work site often has multiple harmonic interference brought by other large electrical equipment, and the power factor of the power grid cannot be guaranteed. If the welding machine can also maintain the excellent external characteristics of the inverter welding machine and maintain excellent welding quality in the above-mentioned various working environments with complex interference, it wi...

Claims

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Application Information

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IPC IPC(8): B23K9/10
CPCB23K9/1043
Inventor 杜长福程刚
Owner 广州亦高电气设备有限公司
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