Integrity detection system for in-service electromagnetic ultrasonic transducer

An electromagnetic ultrasonic and detection system technology, which is applied in the direction of material analysis, instruments, and measuring devices using sonic/ultrasonic/infrasonic waves. Effects of Casualty and Property Damage

Pending Publication Date: 2018-03-27
SHENYANG POLYTECHNIC UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Once a failure occurs, the electromagnetic ultrasonic transducer will fail, and the hundred-volt high-voltage exc

Method used

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  • Integrity detection system for in-service electromagnetic ultrasonic transducer
  • Integrity detection system for in-service electromagnetic ultrasonic transducer
  • Integrity detection system for in-service electromagnetic ultrasonic transducer

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Embodiment Construction

[0044] Such as figure 1 As shown, an in-service electromagnetic ultrasonic transducer integrity detection system includes a detection circuit 101 during the working period of the excitation coil, a switching circuit 102, a detection circuit 103 during the non-operation period of the excitation coil, a magnetic detection circuit 104, a power supply circuit 105, and a host Circuit 106, button circuit 107, fault display circuit 108 and buzzer alarm circuit 109;

[0045] The host circuit 106 is connected with the detection circuit 101 during the working period of the excitation coil, the detection circuit 103 during the non-operation period of the excitation coil, the magnetism detection circuit 104, the power supply circuit 105, the button circuit 107, the fault display circuit 108 and the buzzer alarm circuit 109. The host circuit 106 accepts the signals sent by the detection circuit 101, the magnetism detection circuit 104 and the button circuit 107 during the working period of...

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Abstract

The invention belongs to the field of electromagnetic ultrasonic detection, and relates to an integrity real-time detection system for an electromagnetic ultrasonic transducer. The integrity real-timedetection system comprises an exciting coil working period detection circuit, a switching circuit, an exciting coil non-working period detection circuit, a magnet magnetism detection circuit, a powersupply circuit, a host circuit, a key circuit, a fault display circuit and a buzzer alarm circuit. A singlechip is used as a main control chip, data acquisition is carried out by utilizing a sensor and the like, programming is carried out by software to complete functions of each part, and display is carried out by a liquid crystal screen so as to complete design on the integrity detection systemfor the in-service electromagnetic ultrasonic transducer.

Description

technical field [0001] The invention belongs to the field of non-destructive testing, and relates to a real-time detection system for the integrity of an electromagnetic ultrasonic transducer, in particular to an integrity detection system for an in-service electromagnetic ultrasonic transducer. Background technique [0002] Electromagnetic ultrasonic transducer (EMAT) is a new type of device that uses electrodynamics to generate ultrasonic waves in conductive metals. Electromagnetic ultrasonic transducers play a very important role in actual detection work. The core of electromagnetic ultrasonic testing technology is the electromagnetic ultrasonic transducer. Electromagnetic ultrasonic testing technology can be widely used in the measurement of high temperature and high pressure pipelines. During the detection process, the electromagnetic ultrasonic transducer works in a high temperature and high pressure environment for a long time. The accuracy of data collected by the ...

Claims

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Application Information

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IPC IPC(8): G01N29/30
CPCG01N29/30G01N2291/0234
Inventor 邢燕好徐加欣张佳李佳音刘佳欣周宇浩杨理践任飞跃刘畅
Owner SHENYANG POLYTECHNIC UNIV
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