CN-224231705-U - Novel annular array type ultrasonic pipeline internal detection device

CN224231705UCN 224231705 UCN224231705 UCN 224231705UCN-224231705-U

Abstract

The utility model provides a novel annular array type ultrasonic pipeline internal detection device which comprises a battery section, an electronic section and a probe section, wherein the battery section, the electronic section and the probe section are sequentially connected through a universal joint, an ultrasonic excitation transmitting circuit, a signal receiving circuit, a signal acquisition circuit, a signal processing circuit and a signal storage analysis circuit are arranged in the electronic section, the electronic section is connected with the probe section through a multi-core cable, a plurality of ultrasonic probe units are arranged in the probe section, a mileage section is fixedly connected with any one device of the battery section, the electronic section and the probe section, one or more mileage wheels are arranged on the mileage section, and the mileage wheels are connected with the electronic section at the front end through a watertight connector. The method has the beneficial effects that the technical problems that metal loss and crack detection cannot be simultaneously realized in the prior art are solved. The electronic joint, the probe joint and the mileage joint are matched, so that the problems are solved. The scheme can effectively carry out periodic detection on the long-distance pipeline, and ensures long-period safe operation of the oil field.

Inventors

Yuan shining
YIN SHAOJIE
JIANG XIUJUAN
WANG LINHUI
FU DANRONG
ZHANG CHENGHAO
HAN XUEYAN
ZHAO KETIAN
ZHAO DONGHONG
LV GUANGLEI
SUN YUJIANG
LI HUI

Assignees

中海油（天津）管道工程技术有限公司

Dates

Publication Date: 20260512
Application Date: 20250520

Claims (8)

1. The novel annular array type ultrasonic pipeline internal detection device is characterized by comprising a battery section, an electronic section and a probe section, wherein the battery section, the electronic section and the probe section are sequentially connected through a universal joint, an ultrasonic excitation transmitting circuit, a signal receiving circuit, a signal acquisition circuit, a signal processing circuit and a signal storage analysis circuit are arranged in the electronic section, the electronic section is connected with the probe section through a multi-core cable, a plurality of ultrasonic probe units are arranged in the probe section, a mileage section is fixedly connected with any one of the battery section, the electronic section and the probe section, one to a plurality of mileage wheels are arranged on the mileage section, and the mileage wheels are connected with the electronic section at the front end through a watertight connector.
2. The novel annular array type ultrasonic pipeline internal detection device according to claim 1, wherein the battery section comprises a battery cabin and a traction head, and two ends of the battery cabin are fixedly connected with the traction head and the universal joint respectively.
3. The novel annular array type ultrasonic pipeline internal detection device according to claim 1, wherein the battery section, the electronic section, the probe section and the mileage section are all provided with one to a plurality of leather cups.
4. The novel annular array type ultrasonic in-pipeline detection device according to claim 1, wherein each ultrasonic probe unit annular array in the probe section is arranged on the side wall of the probe section.
5. The novel annular array type ultrasonic in-pipeline detection device according to claim 4, wherein the number of the ultrasonic probe units is 16.
6. The novel annular array type ultrasonic in-pipeline detection device according to claim 5, wherein the ultrasonic probe unit comprises 256 detection channels.
7. The novel annular array type ultrasonic in-pipeline detection device according to claim 1, wherein the mileage is formed by uniformly arranging three mileage wheels along the circumferential direction.
8. The novel annular array type ultrasonic pipeline internal detection device as claimed in claim 1, wherein a plurality of centralizing wheels are arranged on the probe section and the mileage section.

Description

Novel annular array type ultrasonic pipeline internal detection device Technical Field The utility model relates to the technical field of oil and gas field development, in particular to a novel annular array type ultrasonic pipeline internal detection device. Background The ultrasonic detection technology is one of the common nondestructive detection methods, has wide application range, convenient detection and high working efficiency, and has no harmful effect on the detected test piece and the environment. In the field of oil and gas pipeline online detection, the currently used straight probe ultrasonic technology adopts the thickness measurement of the pipe wall and the crack measurement of the pipeline body as independent equipment for development and use, so that the detection cost is high, the detection period is long, and the wall thickness corrosion and the crack defect cannot be comprehensively analyzed in data analysis. Therefore, there is an urgent need for an ultrasonic inspection apparatus that inspects a plurality of defects at a time. Meanwhile, the processing method of the ultrasonic signal is also advancing toward wavelet change. Disclosure of utility model The utility model overcomes the defects in the prior art and provides a novel annular array type ultrasonic pipeline internal detection device. The aim of the utility model is achieved by the following technical scheme. A novel annular array type ultrasonic pipeline internal detection device comprises a battery section, an electronic section and a probe section, wherein the battery section, the electronic section and the probe section are sequentially connected through a universal joint, an ultrasonic excitation transmitting circuit, a signal receiving circuit, a signal acquisition circuit, a signal processing circuit and a signal storage analysis circuit are arranged in the electronic section, the electronic section is connected with the probe section through a multi-core cable, a plurality of ultrasonic probe units are arranged in the probe section, a mileage section is fixedly connected with any one device of the battery section, the electronic section and the probe section, one to a plurality of mileage wheels are arranged on the mileage section, and the mileage wheels are connected with the electronic section at the front end through a watertight connector. The battery section comprises a battery compartment and a traction head, and two ends of the battery compartment are fixedly connected with the traction head and the universal joint respectively. And the battery section, the electronic section, the probe section and the mileage section are all provided with one to a plurality of leather cups. The annular arrays of ultrasonic probe units in the probe section are arranged on the side wall of the probe section. The number of ultrasonic probe units is 16. The ultrasonic probe unit contains 256 detection channels. The mileage nodes are uniformly arranged along the circumferential direction by three mileage wheels. And a plurality of centralizing wheels are arranged on the probe section and the mileage section. An ultrasonic signal processing method of a novel annular array type ultrasonic pipeline internal detection device comprises the following specific steps: S1, placing a pipeline ultrasonic detection system in a pipeline to be detected, supplying energy to the electronic section, the probe section and the mileage section by the battery section, amplifying an ultrasonic electric signal of an ultrasonic probe unit by the electronic section through an ultrasonic excitation transmitting circuit, receiving the ultrasonic signal by a signal receiving circuit and a signal acquisition circuit, processing the signal by a signal processing circuit, and finally analyzing by a signal storage analysis circuit; S2, the signal processing circuit filters the signal, does not process the signal with the maximum value lower than the threshold value, and does not process the signal without the small waveform; S3, the signal processing circuit performs wavelet analysis on the signals, selects a wavelet function, determines the number of wavelet layers and performs wavelet decomposition on the signals; s4, the signal processing circuit carries out denoising processing on the decomposed high-frequency coefficient, signal reconstruction and wavelet singularity detection in sequence; s5, performing defect calculation, measuring the length, depth and width of the crack on the residual thickness by adopting a wavelet change algorithm, and performing calculation to determine the feasibility level; S6, comprehensively judging, and judging the acceptable degree of the defects according to the positions of the welding lines, the defect grade and the type and the historical data. And S3, adopting a3 dB wavelet analysis method for wavelet analysis, wherein the analysis level is 4. The method has the beneficial effects that the technical problems that metal lo