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Portable ultraphonic phased array detection imager

An ultrasonic phased array, portable technology, applied in the direction of using sound wave/ultrasonic wave/infrasonic wave to analyze solids, etc., can solve the problems of complicated operation and inconvenient use, and achieve the effect of strong engineering applicability and natural human-computer interaction

Inactive Publication Date: 2010-06-09
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Although the existing ultrasonic testing technology has been widely used in various sectors of industrial production as a mature non-destructive testing technology, the current ultrasonic testing method still has the following problems: complicated operation and inconvenient use
In this regard, there is no similar instrument product in China, and the research on portable ultrasonic phased array products is now becoming a hot issue

Method used

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  • Portable ultraphonic phased array detection imager
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  • Portable ultraphonic phased array detection imager

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Example 1: Combining figure 1 , the portable ultrasonic phased array detection imager of the present invention, it is made up of touch screen (1), computer (2), ultrasonic phased array circuit system (3) and ultrasonic phased array probe (4) and detection imaging software. The touch screen (1) is connected to the computer (2), the computer (2) is connected to the ultrasonic phased array circuit system (3) through the data bus, and the touch screen (1), the computer (2) and the ultrasonic phased array circuit system (3) are integrated One body, constituting the main body (5) of the instrument, the ultrasonic phased array probe (4) is externally connected through the cable, and the detection and imaging software is installed on the computer.

[0019] The present invention also has the following technical characteristics:

[0020] The ultrasonic phased array probe (4) is composed of a multi-chip array element group, which is a linear array transducer or a phased array tra...

Embodiment 2

[0025] combine figure 2 , The invention is composed of a touch screen (1), a computer (2), an ultrasonic phased array circuit system (3), an ultrasonic phased array probe (4) and detection and imaging software. Wherein the touch screen (1), the computer (2) and the ultrasonic phased array circuit system (3) are integrated to form an instrument main body (5), and the ultrasonic phased array probe (4) is externally connected.

[0026] In this implementation, an ultrasonic linear array probe with a working frequency of 2.25MHz and 64 elements is connected to the instrument. The performance of the ultrasonic phased array circuit system is shown in Table 1. It consists of a main control board and two ultrasonic trigger / receiver boards. Each ultrasonic trigger / receiver board can realize the triggering of 8-channel signals and the collection of echo signals. . In the system, every 4 phased array elements share a signal processing channel through switching control.

[0027] Table ...

Embodiment 3

[0031] combine image 3 In this embodiment, the ultrasonic phased array probe (4) with a working frequency of 5 MHz and 32 array elements is connected to the instrument. The performance of the ultrasonic phased array circuit system (3) is shown in Table 2. It consists of a main control board and four ultrasonic triggering / receiving boards. Each ultrasonic triggering / receiving board can realize the triggering and echoing of 8-channel signals. signal collection. In the system, every two phased array elements share a signal processing channel through switching control.

[0032] Table 2 Performance parameters of the circuit system of Embodiment 3

[0033]

[0034] combine image 3 , due to the use of shear waves to detect defects in the workpiece, the probe is installed on the wedge 8 for wave mode conversion, and coupled with the workpiece (9) with a couplant. In this embodiment, the flaw detector manually operates the ultrasonic phased array probe (4) on the surface of th...

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Abstract

The invention provides a portable ultraphonic phased array detection imager which has simple, convenient and natural man-machine interaction and high engineer applicability and comprises a touch screen, a computer, an ultraphonic phased array circuit system, an ultraphonic phased array probe and detection imaging software, wherein the touch screen is connected with the computer; the computer is connected with the ultraphonic phased array circuit system through a data bus; the touch screen, the computer and the ultraphonic phased array circuit system are integrated to form a main imager body which is externally connected with the ultraphonic phased array probe through a cable; and the detection imaging software is arranged on the computer. The invention can be used for manual detection, can obtain defective A, B or S scanning images, can also be used for the automatic nondestructive inspection in the industry field by connecting with a scanner with one or two freedom degrees and installing the ultraphonic phased array probe on a clamp of the scanner and can obtain detective A, B, C scanning images, and therefore, the invention is very suitable for the nondestructive inspection in the industry field.

Description

(1) Technical field [0001] The invention relates to ultrasonic detection technology, in particular to a portable ultrasonic phased array detection imager. (2) Background technology [0002] Although the existing ultrasonic testing technology has been widely used in various sectors of industrial production as a mature non-destructive testing technology, the current ultrasonic testing method still has the following problems: complex operation and inconvenient use. Most of the existing industrial flaw detectors are single-probe flaw detectors. In order to comprehensively inspect the workpiece, it must be scanned manually or mechanically; the manual operation of single-probe ultrasonic is labor-intensive, and the mechanical scanning device is complicated, and it is difficult to detect complex shapes. The workpiece is powerless and the detection reliability is poor. The single-probe flaw detector cannot perform real-time scanning and detailed inspection of the inside of the work...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/04
Inventor 单宝华王华
Owner HARBIN INST OF TECH
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