Radiation-resistant video probe inspection device

Abstract

The invention discloses an irradiation-resistant video probe inspection device which comprises a focusing module, the focusing module is located in a video probe shell and coaxially installed with the video probe shell, a ceramic ring is installed at the rear end of the focusing module, a lens interface ring is installed at the front end of the focusing module, and the lens interface ring is tightly attached to the front end face of the focusing module. A power probe support and a front-end circuit board are installed outside the lens interface ring, and a lens is installed at the front end of the lens interface ring. The device has the beneficial effects that the tail end of the vacuum tube clamping framework is of a petal structure, so that a camera tube can be effectively fixed without loosening, the clamping force is uniformly distributed, the force is self-adaptive, and the camera tube is prevented from being damaged due to overexertion; the front-end circuit is a signal amplification circuit, the rear-end circuit is a power distribution circuit, the front-end circuit and the rear-end circuit are distributed front and back, interference of video signals can be effectively reduced, meanwhile, the radial size of the video probe is greatly reduced, and the space application range of the device is enlarged.

Description

technical field [0001] The invention belongs to the field of video detection in nuclear power plants, and in particular relates to a radiation-resistant video probe inspection device. Background technique [0002] Irradiation-resistant video inspection devices are widely used in the field of video inspection in high-irradiation environments of nuclear power plants, especially in the fields of nuclear fuel processing monitoring, nuclear fuel operation and maintenance, and nuclear fuel decommissioning treatment. Traditional CCD and CMOS semiconductor photosensitive device cameras will fail due to the radiation effect caused by the interaction with the radiation particles, which seriously affects the safety application of the device. Operating in a high radiation dose environment requires frequent replacement of video equipment, which increases the cost of the equipment on the one hand, and increases the radiation dose received by people during the equipment replacement process...

AI Technical Summary

Problems solved by technology

This technology currently has related probe devices in foreign countries such as Russia, the United Kingdom, Germany and other countries, but this technology is currently in a blank period in China

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