Ion thruster beam test method based on Faraday probe array
A technology of ion thrusters and probe arrays, which is applied in the direction of radiation measurement, instruments, and measuring devices, to achieve the effects of improving reliability, large amount of data information, and simplifying the structure
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[0048] The present invention will be described in detail below with reference to the drawings and embodiments.
[0049] Step 1: Build a test device.
[0050] Such as figure 1 As shown, the Faraday probe array 1 and the ion thruster 4 are placed in the vacuum chamber, and the matching bias power supply 5, the test circuit board 6, and the test computer 7 are placed outside the vacuum chamber, which together form a test system. 01,02,03,04,05 are test cables.
[0051] The Faraday probe array 1 is formed by arranging a plurality of Faraday probes. The arrangement is as follows: Faraday probes are arranged radially and form a series of concentric circles; Faraday probes that are on the same radius line are a group; there are a total of M groups and N circles of Faraday probes.
[0052] Such as figure 2 As shown, the Faraday probe array 1 is composed of a Faraday probe 9 and a disk-shaped metal bracket 8 made of conductive metal. The disk-shaped metal bracket 8 is composed of a central ...
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