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Soft X-ray tube for eliminating static electricity

An X-ray tube and static elimination technology, applied in the field of X-ray tubes, can solve the problems of X-ray tube space limitation, overall temperature rise, weak impact resistance, etc., and achieve the effects of eliminating static electricity, improving impact resistance, and easy combination

Pending Publication Date: 2020-08-14
莱特泰克(上海)光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although such a structural target has durability, it has the disadvantage of a small irradiation angle (about 40 degrees), and has the disadvantage of being unable to dissipate the heat accumulated in the anode to the outside in time due to the limitation of the structure of the anode during continuous operation, causing the overall temperature to rise. The ills of failure
Moreover, the outer cover is all glass, which has the disadvantage of weak impact resistance.
Static elimination devices are generally installed in a narrow space, but if the current X-ray tube is to be installed on a small device, it will be limited by the space

Method used

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  • Soft X-ray tube for eliminating static electricity

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Embodiment Construction

[0032] First of all, the original design of the present invention will be explained. In the prior art, its structure includes anode, target, cluster tube, insulating ceramic, glass cover, beryllium window support rod and beryllium window. This structure has the disadvantage of small irradiation angle, and its During continuous operation, due to the limitation of the structure of the anode, the heat accumulated in the anode cannot be dissipated to the outside in time, so that the overall temperature rises and may cause failure. The glass cover is a fragile product, and the static elimination device is generally installed in a small space, but The current X-ray tube is still limited by space if it is to be installed in a small device, so a new technical means is urgently needed to solve these problems.

[0033] The present invention will be specifically described below in conjunction with the accompanying drawings, such as figure 1 and figure 2 As shown, the soft X-ray tube fo...

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Abstract

The invention discloses a soft X-ray tube for eliminating static electricity. The soft X-ray tube comprises a soft X-ray tube structure, the soft X-ray tube structure is provided with a beryllium window, a beryllium window supporting rod and a ceramic insulator base made of 96% alumina, wherein the beryllium window and the beryllium window supporting rod are brazed on a ceramic insulator base to form a thin circular structure, the cathode part of the soft X-ray tube structure is provided with an annular tungsten filament, a nickel electrode stem and a nickel bundling tube, and the annular tungsten filament and the nickel electrode stem are assembled together with the nickel bundling tube after spot welding. The invention has the following advantages that the soft X-ray tube is mainly usedfor eliminating static electricity, has a lower voltage (about 10Kv) than radiation tubes for other purposes, has the characteristic of simple structure, is easy to eliminate static electricity due toa large irradiation angle (more than 130 degrees), is easier to combine with a heatproof device, and can be mounted in a narrow space due to a small overall size.

Description

technical field [0001] The invention relates to the field of X-ray tubes, in particular to a soft X-ray tube for eliminating static electricity. Background technique [0002] X-rays are generated when thermionic electrons generated by the heated tungsten filament are accelerated by the tube voltage and hit the target. If the speed of the accelerated electron at the moment of collision is v, then the motion energy of the electron is 1 / 2mv. At the moment when the accelerated electron collision stops, this motion energy is converted into X-ray and heat energy, and it is established that "the motion energy is 1 / 2mv = X-ray. energy + heat" relationship. In the acceleration voltage range for general medical diagnosis (below 150kv), about 1% of the energy of the incident electron beam is converted into X-rays, and 99% of the energy is converted into heat energy. Only a portion of the generated X-rays is emitted within the available irradiation angle. However, in the case of high...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J35/02H01J35/24H01J35/18
CPCH01J35/02H01J35/24H01J35/18
Inventor 申云峰柯炳育
Owner 莱特泰克(上海)光电科技有限公司
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