Passive electric detection device and method for laser plasma
A laser plasma and detection device technology, which is applied in the field of material processing, can solve the problems of undetectable plasma, difficult positioning and adjustment, and limited detection range, so as to achieve improved stability and reliability, easy implementation, and short detection time long effect
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[0027] The technical solutions of the present invention are further described below in conjunction with specific embodiments.
[0028] as attached figure 1 As shown in Fig. 2, the passive electrical detection device of laser plasma is composed of two parallel sections parallel to each other and an arc section connecting the parallel sections, and the overall appearance is M-shaped. The cross-section of the electrical detection device is rectangular, and A flow channel is arranged inside the electric detection device for the flow and circulation of water; a thermocouple is built in the center of the arc segment, and the position of the thermocouple is 1 to 2 mm from the bottom of the electric detection device, and the depth of the embedded electric detection device is 3 to 3 mm. 5mm, the internal flow channel should not affect each other with the thermocouple; the parallel sections at both ends are respectively connected with the water pipe; the electrical detection device is p...
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