Television checking camera combination structure for inside of pipe fitting

A combined structure and camera technology, applied in nuclear power generation, nuclear reactor monitoring, reactors, etc., can solve the problem of high radioactive dose and achieve good lighting effects

Active Publication Date: 2012-07-11
RES INST OF NUCLEAR POWER OPERATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The radioactive dose inside the top cover is very high, and personnel are strictly prohibited from entering

Method used

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  • Television checking camera combination structure for inside of pipe fitting
  • Television checking camera combination structure for inside of pipe fitting
  • Television checking camera combination structure for inside of pipe fitting

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Embodiment Construction

[0015] The present invention is described in detail below in conjunction with accompanying drawing and embodiment:

[0016] The combined structure of the TV inspection camera inside the pipe fittings includes a cylindrical cover 3. The top of the cylindrical cover 3 is fixedly connected with a top cover 10 through threads. A circular frame structure with multiple cavities, the bottom of the combined structure body 2 is fixedly connected with a positioning plate 1, and four cavities are opened on the combined structure body 2, a bracket 21 is installed in the cavity on the top, and a bracket 21 is installed on the bracket 21. There is a camera 15, the periphery of the camera 15 is evenly equipped with light emitting diodes 8, the top of the bracket 21 is equipped with a glass baffle 9, an O-ring 14 is arranged between the glass baffle 9 and the top cover 10, and the combined structure body 2 The cavity in the middle and upper part is equipped with a support plate 23, a mounting...

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PUM

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Abstract

The invention belongs to television automatic checking for the inner surfaces of a penetrating piece of a top cover of a pressure container of a nuclear power station reactor and other pipe fittings and particularly relates to a television checking camera combination structure for the inside of the pipe fitting. The television checking camera combination structure for the inside of the pipe fitting comprises a cylinder cover. A top cover board is arranged at the top of the cylinder cover; a combination structure body is arranged in the cylinder cover; the bottom of the combination structure body is fixedly connected with a positioning plate; four cavities are formed on the combination structure body; a bracket is arranged in the cavity at the top of the combination structure body; a camera is arranged on the bracket; the cavity at the middle upper part of the combination structure body is provided with a reflector; a camera is arranged at the lower part of the reflector; a supporting rod is arranged at the middle lower part of the combination structure body; the middle position of the supporting rod is connected with a scraper frame; and the scraper frame is connected with a nylon scraper. The television checking camera combination structure for the inside of the pipe fitting has the advantage of implementing functions of excellent illumination, clear imaging, camera waterproofness and the like by steering the light, regulating the brightness and setting a suitable optical path.

Description

technical field [0001] The invention belongs to a nuclear power plant reactor pressure vessel top cover penetrating piece and other pipe fitting inner surface automatic inspection by television, in particular to a combination structure of a television inspection camera inside the pipe fitting. Background technique [0002] The top cover of the reactor pressure vessel is a hemisphere with an inner diameter of SR890mm and a wall thickness of 157mm, with the top facing upwards, like a pot with its mouth facing downwards. Many penetrations are installed on the top cover. The inner diameter of the penetrations is Ф70mm and the wall thickness is 17.5mm. The lower part of the penetrations is welded to the inner wall of the top cover through a J-shaped weld to form the pressure boundary of the main system of the primary circuit of the nuclear island. The interior of the top cover penetration accommodates the control rods that control the operation of the reactor, and is also the cha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21C17/08
CPCY02E30/30
Inventor 蔡杰卢威陈光毅
Owner RES INST OF NUCLEAR POWER OPERATION
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