Self-adaptive ultrasonic pulse excitation device and control method thereof
An ultrasonic pulse and excitation device technology, which is applied in the directions of ultrasonic/sonic/infrasonic generation, etc., can solve the problems that the optimal parameters cannot be quickly determined, and the optimal excitation effect cannot be quickly obtained.
Active Publication Date: 2014-07-23
UNIV OF SCI & TECH BEIJING
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[0005] The present invention provides an adaptive ultrasonic pulse excitation device, which adopts the principle of information feedback to solve the technical problems in the above-mentioned background technology that the optimal parameters of the experiment cannot be quickly determined, and the optimal excitation effect cannot be quickly obtained.
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[0029] In order to better understand the shape, structure and characteristics of the present invention, preferred embodiments will be listed below and described in detail with reference to the accompanying drawings.
[0030] The invention provides an adaptive ultrasonic pulse excitation device, the principle of which is to use the principle of information feedback to quickly obtain the best experimental parameters through equipment evaluation, thereby obtaining the best excitation effect. The device includes an ultrasonic controller, an ultrasonic gun and a multi-degree-of-freedom chassis of the ultrasonic gun. Wherein, the ultrasonic controller mainly includes a parameter manual control module (8), a parameter automatic control module (9), a parameter feedback module (10) and a data access module (11). Among them, the parameter manual control module (8) includes frequency control module, power control module, time control module, pressure module between the horn and the teste...
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The invention discloses a self-adaptive ultrasonic pulse excitation device and a control method thereof and belongs to the technical field of ultrasonic infrared thermal wave nondestructive inspection. A preferable ultrasonic excitation effect is rapidly achieved by automatically adjusting various detection parameters under the theoretical support of an ultrasonic infrared thermal wave nondestructive inspection technology, and rapid and effective defect detection is possible. The device comprises an ultrasonic controller and an ultrasonic gun multi-degree-of-freedom base, wherein various experiment parameters during ultrasonic pulse excitation are automatically or manually adjusted through the ultrasonic controller; the ultrasonic gun multi-degree-of-freedom base is controlled to adjust the direction of an ultrasonic gun, and pressing fore between an amplitude-change pole of the ultrasonic gun and a tested piece is loaded. According to the device, multiple intelligent modules are additionally arranged on the basis of traditional design, the device has the function of automatically adjusting the experimental parameters, and a reliable excitation effect can be rapidly achieved. Meanwhile, according to the device, three-dimension direction conversion of the ultrasonic gun is realized, convenience is provided for different excitation occasions, and the device has high practical values.
Description
[0001] technical field [0002] The invention relates to an ultrasonic pulse excitation device in the technical field of ultrasonic infrared thermal wave nondestructive flaw detection, in particular to an adaptive ultrasonic pulse excitation device. Background technique [0003] At present, high-speed rail technology is developing rapidly, but at the same time, many safety hazards have arisen, such as defects such as cracks in the production or use of high-speed rail body parts such as gear boxes. How to detect such defects during production or use is an urgent problem to be solved at present. Ultrasonic infrared thermal wave nondestructive testing technology is a new type of nondestructive testing technology that relies on infrared thermal wave nondestructive testing technology and uses ultrasonic waves as excitation. This technology mainly uses ultrasonic excitation to the detected object to change the surface temperature field of the detected object, then uses the infrar...
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Inventor 曹星照张卫冬杨斌艾轶博
Owner UNIV OF SCI & TECH BEIJING