放电装置实物图
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TALIF test platform structure as shown in Figure 3.4, including discharge chamber, gas injection unit, vacuum pump system, high voltage power supply and electron gun. The discharge chamber is the vacuum chamber of TALIF system test platform, which is composed of two hemispheres snapped together, and the contact surface is set with a seal to improve the sealing, which is fixed by 18 clamps, and the vacuum level of this chamber can be tested up to 10-7 Pa, and the leakage rate is 10-9 Pa. The top view of the discharge chamber is shown in Figure 3.6, and in the middle plane of the discharge chamber, there are The CF150 window is larger in diameter, has a wider field of view and can collect more photons, so it is more often used as an observation window and collection window; the CF80 window is smaller in diameter and is more suitable for use as an entrance and exit of the optical path. The top window is equipped with a vacuum extraction window and an inlet window, size CF25, and all windows are equipped with a knife flange, and all ports have a vacuum flange interface, sealed with oxygen-free copper gaskets, and each window is equipped with 10 mm quartz glass. The internal diameter of the discharge chamber is 800 mm, the thickness of the sphere is 6 mm, and the flange of the sphere is 316 stainless steel. After the whole discharge chamber is welded, the inner and outer surfaces are polished, and all welds are free of leaks, and the welds are beautiful and free of defects.
TALIF测试平台结构如图3.4所示，包含放电腔室、注气单元、真空泵系统、高压电源与电子枪。该放电腔室为TALIF系统测试平台的真空腔室，由两个对合的半球壳体组成，接触面设置密封结构以提升密封性，通过18个夹具固定。该腔室的真空度可达10^-7 Pa，漏率为10^-9 Pa。放电腔室的俯视图如图3.6所示。在腔室的中间平面上，CF150窗口直径更大、视场更宽且可收集更多光子，因此常被用作观测窗口与光子收集窗口；CF80窗口直径较小，更适合作为光路的进出口。顶部窗口设置有CF25规格的真空抽气窗口与进气窗口；所有窗口均配备刀口法兰，各端口均配有真空法兰接口，采用无氧铜垫片密封，且每个窗口内嵌10 mm石英玻璃。该放电腔室的内径为800 mm，球壳壁厚6 mm，球壳法兰采用316不锈钢制成。整体焊接完成后，腔室内外表面均经过抛光处理，所有焊缝无泄漏，外观平整美观且无缺陷。
