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Ultrasonic scanning device

A scanning device and ultrasonic technology, applied in the field of nuclear power, can solve the problems of complex installation position, thin wall thickness, inaccurate positioning, etc., and achieve the effect of stable movement trajectory, accurate defect positioning, and reduction of human errors.

Pending Publication Date: 2021-08-17
CNNC NUCLEAR POWER OPERATION MANAGEMENT +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the small diameter, large curvature, thin wall thickness and complex installation position of the small-diameter pipe, it is not convenient to use the motor drive device for automatic scanning, and the phased array probe is directly used for scanning, the effect is poor, and the defect location is inaccurate

Method used

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Embodiment Construction

[0034] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0035] The method can be executed by a terminal device. For example, the terminal device can be a server, a desktop computer, a notebook computer, a tablet computer, etc., and the terminal device can also be, for example, a user device, a vehicle-mounted device, or a wearable device. The type of is not limited.

[0036] figure 1 and figure 2 It is a perspective view of an ultrasonic scanning device according to an exemplary embodiment. image 3 It is a schematic diagram showing an ultrasonic scanning device in use according to an exemplary embodiment. Such as Figure 1 to Figure 3 As shown, the ultrasonic phased array scanning device includes: a first chain 91, a second chain 92, a plurality of rollers 3, an ultrasonic probe 6 and an encoder 4;

[0037] Both sides of the first chain 91 and the second chain 92 are respectively be...

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PUM

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Abstract

The invention belongs to the technical field of nuclear power, and particularly relates to an ultrasonic scanning device. According to an annular chain structure disclosed by the invention, phased array probes with different sizes and specifications can be conveniently mounted, so that the ultrasonic probe is better attached to the outer side wall of a to-be-detected pipeline in the detection process, the movement track is stable, the detection efficiency and the reliability of a detection result are greatly improved, the length of the chain can be adjusted by increasing or decreasing the number of the connecting blocks of the chain, and the chain is flexibly suitable for pipelines with different diameters and especially suitable for ultrasonic scanning of small-diameter pipes. Besides, as the roller connected with the encoder and other rollers rotate synchronously, the angular displacement data generated by the encoder can be used for reflecting the circumferential position corresponding to the ultrasonic scanning data, and positioning and analysis of the ultrasonic scanning result are facilitated. Human errors are reduced, and defect positioning is accurate.

Description

technical field [0001] The invention belongs to the technical field of nuclear power, and in particular relates to an ultrasonic scanning device. Background technique [0002] Small-diameter thin-walled pipes are the parts and locations most likely to generate defects and leaks in the operation of nuclear power plants. Conventional small-diameter pipe inspections usually use methods such as radiographic inspection and conventional ultrasonic inspection. Due to its own characteristics, radiographic inspection will produce ionizing radiation during radiographic inspection, which will cause harm to the human body and the surrounding environment and the inspection cycle will be long. During the inspection, the inspection area needs to be cleared and isolated, and it cannot be operated at the same time as other inspection and maintenance work, which will closely affect the overhaul The progress of radiographic testing has low detection sensitivity for area-type defects. Although...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/04G01N29/26G01N29/265G01N29/28
CPCG01N29/04G01N29/262G01N29/265G01N29/28G01N2291/0289G01N2291/044
Inventor 李邱达贺志清薛新才查萌张维方江袁光华许锋郁梅厉建文冯杰丁嘉盈高健飞梅兰
Owner CNNC NUCLEAR POWER OPERATION MANAGEMENT
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