Bias power supply device for supersonic-frequency pulsed electron beam welding
A pulsed electron beam, bias power supply technology, applied in electron beam welding equipment, welding equipment, metal processing equipment and other directions, can solve the problems of high welding beam current, difficult to achieve, affecting the quality of pulse beam current, and achieve flexible control and The effect of adjustment
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[0025] The technical scheme of the present invention will be described in further detail below in conjunction with accompanying drawing and embodiment:
[0026] See attached figure 2 As shown, the bias power supply device of the ultra-audio frequency pulsed electron beam welding of the present invention is composed of a step-down rectification filter circuit, a peak bias voltage generation circuit, a base value bias voltage generation circuit, a peak value pulse bias switching circuit, a base value pulse bias voltage Composition of switching circuits.
[0027] The step-down rectification filter circuit and the peak bias voltage generation circuit described in the present invention adopt such as figure 1 The conventional topological circuit structure shown. That is, the peak bias voltage generation circuit consists of a half-bridge inverter circuit, a first transformer B 1 , the first voltage doubler rectifier circuit, the first voltage sensor, the first beam current / bias c...
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Abstract
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