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Fusion device glass window pollution protection electric control movable diaphragm

A technology of glass window and light bar, which is applied in the field of fusion, can solve the problems affecting the measurement of solid angle and field of view, achieve the effect of small space occupation, reduce the requirements of motor performance, and prolong the service life

Pending Publication Date: 2020-06-19
SOUTHWESTERN INST OF PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this structure can also play a role in preventing pollution, it will still partially block the glass window when the light barrier is opened, affecting the measured solid angle and field of view.

Method used

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  • Fusion device glass window pollution protection electric control movable diaphragm
  • Fusion device glass window pollution protection electric control movable diaphragm
  • Fusion device glass window pollution protection electric control movable diaphragm

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] The present invention will be further described below by means of the accompanying drawings and specific embodiments.

[0029] Such as figure 1 , Figure 4 and Figure 5 As shown, the electrically controlled movable light barrier includes a light barrier disc fixed support 13 fixed at the center of the flange 14, and also includes several transmission supports 6 and light barrier curtain fixed supports installed on the light barrier disc fixed support 13. Bearing 9, wherein the fixed bearing 9 of light barrier curtain is vertical direction, has left and right two.

[0030] The light bar plate fixing support 13 is fixed on the flange plate 14, and the flange plate 14 is installed on the outer flange of the vacuum chamber. There is a circular hole 17 at the center of the flange 14 for passing light. Such as figure 2 As shown, the optical glass 15 is installed at the light-through circular hole on the rear side of the flange 14, and the optical glass 15 is fixed and ...

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Abstract

The invention belongs to the fusion technology, the invention relates to a diaphragm, in particular to a fusion device glass window pollution protection electric control movable diaphragm, wherein theflange plate is provided with a light through hole, the transmission rod and the two diaphragm curtain fixed supports are installed through diaphragm plate fixed supports, the diaphragm curtain connecting rod in the horizontal direction is connected with a diaphragm curtain, and the diaphragm curtain connecting rod is driven by transmission wheels at the two ends to rotate to move up and down along inner side sliding ways on the diaphragm curtain fixed supports. The transmission wheels are arranged at the two ends of the diaphragm curtain connecting rod, correspond to the transmission wheelsarranged at the two ends of the diaphragm curtain connecting rod left and right and are connected through transmission chains. The transmission rod is driven by a stepping motor to rotate. The deviceis used for pollution protection of a scattered light receiving window of a Tokamak fusion experiment incoherent laser scattering system, window glass cannot be polluted in the processes of diaphragmcurtain closing, glow discharge cleaning in the device, wall treatment and the like, and the device is stable in operation in the opening and closing process.

Description

technical field [0001] The invention belongs to fusion technology, and in particular relates to a pollution protection device for a glass window of a fusion device under radiation conditions. Background technique [0002] In the research of magnetic confinement nuclear fusion, the optical diagnostic system needs to use different optical glass windows, such as the incident and exit windows of laser beams such as incoherent Thomson scattering system and coherent Thomson scattering system, and the receiving and detecting windows of scattered signals. The primary measurement method for absolute measurements of electron temperature and density in fusion experimental setups is incoherent Thomson scattering. The incoherent Thomson scattering system uses the Q-switched high-power pulsed laser to interact with the electrons in the plasma of the fusion experimental device to generate scattered light. By analyzing the scattering spectral distribution function from the visible to the ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/44
CPCG02B27/44
Inventor 刘春华黄渊冯震王瑜琴侯志培
Owner SOUTHWESTERN INST OF PHYSICS
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