Detachable plate type glow discharge electrode and electrode assembly
A technology of glow discharge and plate electrodes, which is applied to electrical components, nuclear power generation, climate sustainability, etc., can solve the problems that the electrode position cannot be adjusted in a wide range, and the glow is uneven, so as to reduce the overall risk and meet the requirements of reliability. Proximity, easy installation and adjustment
Pending Publication Date: 2022-04-22
SOUTHWESTERN INST OF PHYSICS
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Problems solved by technology
[0003] In the existing fusion experimental devices, the fixed glow discharge electrodes mainly adopt cylindrical rod-shaped, sheet-shaped, block-shaped and other structures. In other words, there will be non-uniform glow or blind spots in the upper and lower areas of the interior
In addition, most discharge electrodes adopt an integrated design of the discharge end face and the vacuum electric lead wire, which is relatively simple to connect. In this connection method, the entire electrode and the penetration window must be replaced when the insulation structure leaks or fails. At the same time, once the electrode position is determined, it cannot wide range of adjustment
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[0033] The present invention will be further described below by means of the accompanying drawings and specific embodiments.
[0034] Such as figure 1 and figure 2 As shown, the detachable plate-type glow discharge electrode assembly includes: a plate-type electrode 1, an insulating connecting plate 3, an insulating support 2 installed on the plate-type electrode 1 and passing through the insulating assembly positioning hole 5 processed on the connecting plate 3, and installed on the The electrode support 4 on the connecting plate 3;
[0035] Wherein, there are two insulating supports 2, which are respectively fixed on the plate surface of the plate electrode 1 up and down near the end, its direction is perpendicular to the plate surface, fixed by the fastener 8, and fixed after the position is adjusted; on the insulating connecting plate 3 The corresponding positions are processed with positioning holes 5, so that the upper ends of the above-mentioned insulating supports 2...
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The invention belongs to a fusion device discharge cleaning technology, and particularly relates to a detachable plate-type glow discharge electrode and an electrode assembly, the discharge electrode is a plate-type electrode and comprises a plane a located on the front side and two cambered surfaces, and the two cambered surfaces are symmetrically arranged above and below the plane a respectively; comprising a plane b located on the side face, a long rectangular plane on the back face and two small rectangular planes, and the two small rectangular planes are symmetrically arranged above and below the long rectangular plane respectively. The assembly comprises a plate-type electrode, an insulating connecting plate, an insulating support and an electrode support, wherein the insulating support is mounted on the plate-type electrode and penetrates through an insulating assembly positioning hole machined in the connecting plate; and the electrode support is mounted on the connecting plate. According to the device, discharge cleaning can be provided for the wall of the vacuum chamber of the Tokamak device, the glow uniformity is improved, a glow blind area is avoided, convenience of machining, mounting and adjusting is ensured while the overall risk is reduced through a split assembly, and the requirements for accessibility, safety and reliability of running parts of the large Tokamak device can be met.
Description
technical field [0001] The invention belongs to the fusion device discharge cleaning technology, in particular to a detachable plate-type glow discharge electrode and an electrode assembly. Background technique [0002] A good first wall condition is a necessary condition for nuclear fusion tokamak device to obtain and operate plasma. Glow discharge cleaning is the most mature discharge cleaning method for Tokamak. The discharge electrode is used as the anode, and the wall of the vacuum chamber is used as the cathode. The discharge electrode is applied with a high-voltage breakdown gas to generate plasma in the vacuum chamber. After being accelerated by the sheath, it bombards the surface of the material, and physical or chemical sputtering occurs to remove impurity particles on the surface of the vessel wall. [0003] In the existing fusion experimental devices, the fixed glow discharge electrodes mainly adopt cylindrical rod-shaped, sheet-shaped, block-shaped and other st...
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IPC IPC(8): G21B1/25B08B7/00H05H1/24
CPCG21B1/25B08B7/00H05H1/24Y02E30/10
Inventor 曹诚志崔成和胡毅高霄雁黄向玫曹曾
Owner SOUTHWESTERN INST OF PHYSICS