CN119827622A - Composite material detection method and device based on multi-wave ultrasonic reflection - Google Patents
Composite material detection method and device based on multi-wave ultrasonic reflection Download PDFInfo
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Abstract
The application relates to a composite material detection method based on multi-wave ultrasonic reflection, which comprises the steps that a multi-wave ultrasonic transmitting/receiving transducer generates multi-wave ultrasonic incident signals, the multi-wave ultrasonic incident signals are output to a detected composite material and received from the detected composite material, the multi-wave ultrasonic transmitting/receiving transducer inputs the multi-wave ultrasonic reflected signals into a multi-wave ultrasonic reflected signal fusion and display unit, the multi-wave ultrasonic reflected signals are reconstructed by the multi-wave ultrasonic reflected signal fusion and display unit to form multi-wave ultrasonic reflected display signals, defects of the detected composite material are judged according to time domain characteristics of the multi-wave ultrasonic reflected display signals, the multi-wave ultrasonic incident signals comprise a plurality of incident signals with different pulse cycles and applicable to different coupling mediums, and the multi-wave ultrasonic reflected signals comprise reflected signals corresponding to the incident signals. The application can meet the ultrasonic detection of the composite materials in different detection scenes, and improves the ultrasonic detectability of the composite materials.
Description
Technical Field
The application relates to the technical field of nondestructive testing of composite materials, in particular to a composite material detection method and device based on multi-wave ultrasonic reflection.
Background
Composite materials with different functions and structural forms are currently applied to mass loading machines in the fields of aerospace, traffic, energy sources, buildings and the like, 100% nondestructive testing is usually required to be carried out on the composite materials due to safety and quality control, ultrasonic is a main nondestructive testing method for the composite materials at present, and the composite materials with different types and different structural types have different ultrasonic propagation behaviors and ultrasonic signal rules, different detection scenes and different technical requirements and defect detection capacities for ultrasonic detection. In order to solve the problems of ultrasonic detection of composite materials with different detection scenes and different characteristics, the reliability of detection and the accuracy of detection results are improved, and the ultrasonic detection requirements of the composite materials can be met by adopting an applicable ultrasonic detection method and an ultrasonic detection technology. At present, single-wave ultrasound is selected to realize the detection of the composite material mainly according to the characteristics of the detected composite material.
At present, when the ultrasonic detection of the composite material is carried out, a single-wave ultrasonic method is generated by utilizing ultrasonic instrument equipment, and the ultrasonic detection of the composite material is realized by manual scanning by detection personnel or automatic scanning by equipment, and the main defects of the ultrasonic detection method are that 1) the single-wave ultrasonic method is difficult to meet the ultrasonic detection of the composite material in different detection scenes, for example, some detection scenes do not allow the application of a liquid couplant, some detection scenes can be applied with the liquid couplant, the single-wave ultrasonic method is difficult to meet the ultrasonic detection requirements of the composite material in different detection scenes, and further the detectability of the composite material is influenced, 2) the acoustic attenuation of some composite material is particularly obvious, some composite material has good wave transmission performance, the single-wave ultrasonic method is difficult to meet the detection requirements of the composite material with different acoustic attenuation behaviors, and further the influence on the detection effect and defect detection capability of the ultrasonic on the composite material, 3) the different ultrasonic waves have different defect detection capabilities and detection sensitivity, and the single-wave ultrasonic method is difficult to meet the defect detection requirements of the composite material at the same time, and 4) the single-wave ultrasonic method is difficult to meet the defect detection requirements when the ultrasonic detection requirements of the composite material under different detection scenes, and the different detection scenes are required to be utilized, and the ultrasonic detection is different composite materials under different detection scenes, so that the ultrasonic detection has the requirements.
Disclosure of Invention
(1) Technical problem to be solved
The application provides a composite material detection method and device based on multi-wave ultrasonic reflection, which solve the problems of poor applicability, low detection accuracy and reliability and low detection efficiency of the current composite material ultrasonic detection.
(2) Technical proposal
In a first aspect, the application provides a composite material detection method based on multi-wave ultrasonic reflection, which is realized by a composite material detection device based on multi-wave ultrasonic reflection, wherein the composite material detection device based on multi-wave ultrasonic reflection comprises a multi-wave ultrasonic transmitting/receiving transducer and a multi-wave ultrasonic reflection signal fusion and display unit;
The composite material detection method based on multi-wave ultrasonic reflection comprises the following steps:
the multi-wave ultrasonic transmitting/receiving transducer generates a multi-wave ultrasonic incident signal, outputs the multi-wave ultrasonic incident signal to the detected composite material and receives a multi-wave ultrasonic reflected signal from the detected composite material;
the multi-wave ultrasonic transmitting/receiving transducer inputs the multi-wave ultrasonic reflected signal into a multi-wave ultrasonic reflected signal fusion and display unit;
the multi-wave ultrasonic reflection signal fusion and display unit reconstructs the multi-wave ultrasonic reflection signal to form a multi-wave ultrasonic reflection display signal;
Performing defect discrimination on the detected composite material according to the time domain characteristics of the multi-wave ultrasonic reflection display signals;
The multi-wave ultrasonic incident signals comprise a plurality of incident signals with different pulse cycles and different coupling media, and the multi-wave ultrasonic reflected signals comprise reflected signals corresponding to the incident signals.
Further, the composite material detection device based on multi-wave ultrasonic reflection further comprises a multi-wave ultrasonic excitation/receiving unit, wherein the multi-wave ultrasonic transmission/receiving transducer comprises a plurality of piezoelectric sensing units with different frequencies, pulse characteristics and sound beam characteristics;
the multi-wave ultrasonic transmitting/receiving transducer generates a multi-wave ultrasonic incident signal, comprising:
the multi-wave ultrasonic excitation/receiving unit generates a multi-wave ultrasonic excitation signal, and the corresponding piezoelectric sensing unit in the multi-wave ultrasonic transmitting/receiving transducer is excited by the selection switch to generate a multi-wave ultrasonic incident signal.
Further, the composite material detection device based on multi-wave ultrasonic reflection further comprises a multi-wave ultrasonic signal processing unit;
The multi-wave ultrasonic transmitting/receiving transducer inputs the multi-wave ultrasonic reflected signal into a multi-wave ultrasonic reflected signal fusion and display unit, comprising:
the multi-wave ultrasonic transmitting/receiving transducer inputs the multi-wave ultrasonic reflected signal into the multi-wave ultrasonic exciting/receiving unit;
The multi-wave ultrasonic excitation/receiving unit performs analog processing on the multi-wave ultrasonic reflected signals and converts the signals into radio-frequency signals to be input into the multi-wave ultrasonic signal processing unit;
The multi-wave ultrasonic signal processing unit is used for performing digital conversion on the radio frequency signals and converting the radio frequency signals into digital signals to be input into the multi-wave ultrasonic reflection signal fusion and display unit.
Further, the composite material detection device based on multi-wave ultrasonic reflection further comprises a multi-wave ultrasonic reflection scanning unit;
the composite material detection method based on multi-wave ultrasonic reflection further comprises the following steps:
The multi-wave ultrasonic reflection method scanning unit drives the multi-wave ultrasonic transmitting/receiving transducer to scan the detected composite material to obtain multi-wave ultrasonic position signals of each detection point;
the multi-wave ultrasonic reflection method scanning unit inputs the multi-wave ultrasonic position signal into the multi-wave ultrasonic reflection signal fusion and display unit;
the multi-wave ultrasonic reflected signal fusion and display unit fuses the multi-wave ultrasonic reflected signal and the multi-wave ultrasonic position signal to form a multi-wave ultrasonic image;
and judging the defects of the detected composite material according to the characteristics of the multi-wave ultrasonic image.
In a second aspect, the application provides a composite material detection device based on multi-wave ultrasonic reflection, which comprises a multi-wave ultrasonic transmitting/receiving transducer and a multi-wave ultrasonic reflection signal fusion and display unit;
the multi-wave ultrasonic transmitting/receiving transducer is connected with the multi-wave ultrasonic reflection signal fusion and display unit;
The multi-wave ultrasonic transmitting/receiving transducer is used for generating multi-wave ultrasonic incident signals, outputting the multi-wave ultrasonic incident signals to the detected composite material, receiving multi-wave ultrasonic reflected signals from the detected composite material, and inputting the multi-wave ultrasonic reflected signals to the multi-wave ultrasonic reflected signal fusion and display unit;
The multi-wave ultrasonic reflection signal fusion and display unit is used for reconstructing the multi-wave ultrasonic reflection signal to form a multi-wave ultrasonic reflection display signal, so that the defect discrimination is carried out on the detected composite material according to the time domain characteristics of the multi-wave ultrasonic reflection display signal;
The multi-wave ultrasonic incident signals comprise a plurality of incident signals with different pulse cycles and different coupling media, and the multi-wave ultrasonic reflected signals comprise reflected signals corresponding to the incident signals.
Further, the multi-wave ultrasonic excitation/receiving unit comprises a plurality of piezoelectric sensing units with different frequencies, pulse characteristics and sound beam characteristics;
the multi-wave ultrasonic excitation/receiving unit is connected with the multi-wave ultrasonic reflection signal fusion and display unit;
the multi-wave ultrasonic excitation/receiving unit is used for generating multi-wave ultrasonic excitation signals, and exciting the corresponding piezoelectric sensing units in the multi-wave ultrasonic transmitting/receiving transducer through the selection switch to generate multi-wave ultrasonic incident signals.
Further, the multi-wave ultrasonic signal processing unit is also included;
the multi-wave ultrasonic signal processing unit is respectively connected with the multi-wave ultrasonic excitation/receiving unit and the multi-wave ultrasonic reflection signal fusion and display unit;
The multi-wave ultrasonic transmitting/receiving transducer is specifically used for inputting multi-wave ultrasonic reflected signals into the multi-wave ultrasonic excitation/receiving unit;
The multi-wave ultrasonic excitation/receiving unit is also used for carrying out analog processing on the multi-wave ultrasonic reflected signals and converting the signals into radio frequency signals to be input into the multi-wave ultrasonic signal processing unit;
the multi-wave ultrasonic signal processing unit is used for performing digital conversion on the radio frequency signals and converting the radio frequency signals into digital signals to be input into the multi-wave ultrasonic reflection signal fusion and display unit.
Further, the device also comprises a multi-wave ultrasonic reflection scanning unit;
the multi-wave ultrasonic reflection method scanning unit is respectively connected with the multi-wave ultrasonic transmitting/receiving transducer and the multi-wave ultrasonic reflection signal fusion and display unit;
the multi-wave ultrasonic reflection method scanning unit is used for driving the multi-wave ultrasonic transmitting/receiving transducer to scan the detected composite material to obtain multi-wave ultrasonic position signals of each detection point, and inputting the multi-wave ultrasonic position signals into the multi-wave ultrasonic reflection signal fusion and display unit;
the multi-wave ultrasonic reflection signal fusion and display unit is also used for fusing the multi-wave ultrasonic reflection signal and the multi-wave ultrasonic position signal to form a multi-wave ultrasonic image, so that the defect discrimination is carried out on the detected composite material according to the characteristics of the multi-wave ultrasonic image.
Further, the frequency of the multi-wave ultrasonic transmitting/receiving transducer is between 0.5MHz and 20MHz, and the bandwidth of the multi-wave ultrasonic exciting/receiving unit is matched with the multi-wave ultrasonic transmitting/receiving transducer.
Further, the sampling frequency of the multi-wave ultrasonic signal processing unit is between 10MHz and 100 Mz.
(3) Advantageous effects
The technical scheme of the application has the following advantages:
According to the composite material detection method based on multi-wave ultrasonic reflection, a multi-wave ultrasonic incident signal is generated through the multi-wave ultrasonic transmitting/receiving transducer and is output to the detected composite material, the multi-wave ultrasonic reflected signal from the detected composite material is received, the multi-wave ultrasonic reflected signal is input into the multi-wave ultrasonic reflected signal fusion and display unit, the multi-wave ultrasonic reflected signal is reconstructed by the multi-wave ultrasonic reflected signal fusion and display unit, a multi-wave ultrasonic reflected display signal is formed, and therefore defect judgment is conducted on the detected composite material according to the time domain characteristics of the multi-wave ultrasonic reflected display signal. The multi-wave ultrasonic incident signals comprise various incident signals with different pulse cycle numbers and different coupling media, the multi-wave ultrasonic reflected signals comprise reflected signals corresponding to the incident signals, and the ultrasonic detection of the composite material in different detection scenes can be met.
It will be appreciated that the advantages of the second aspect may be found in the relevant description of the first aspect, and will not be described in detail herein.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a composite material detection method based on multi-wave ultrasonic reflection provided by the application;
fig. 2 is a schematic diagram of a composite material detection device based on multi-wave ultrasonic reflection provided by the application.
The system comprises a reference numeral 1, a multi-wave ultrasonic transmitting/receiving transducer, a multi-wave ultrasonic exciting/receiving unit, a multi-wave ultrasonic signal processing unit, a multi-wave ultrasonic reflection signal fusion and display unit, a multi-wave ultrasonic reflection scanning unit and a composite material.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Furthermore, the terms "first," "second," "third," and the like in the description of the present specification and in the appended claims, are used for distinguishing between descriptions and not necessarily for indicating or implying a relative importance.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise. "plurality" means "two or more".
The application aims at detecting different composite materials and different detection scenes by using an ultrasonic reflection method, and provides a composite material detection method and device based on multi-wave ultrasonic reflection, which are used for improving the applicability, the accuracy and the reliability of the ultrasonic detection of the composite material and the detection efficiency.
The following describes in further detail the embodiments of the present application with reference to the drawings and examples. The following examples are illustrative of the application and are not intended to limit the scope of the application.
The embodiment of the application provides a composite material detection method based on multi-wave ultrasonic reflection, which is realized by a composite material detection device based on multi-wave ultrasonic reflection. As shown in fig. 2, the composite material detection device based on multi-wave ultrasonic reflection comprises a multi-wave ultrasonic transmitting/receiving transducer 1 and a multi-wave ultrasonic reflection signal fusion and display unit 4.
The composite material detection method based on multi-wave ultrasonic reflection comprises the steps that a multi-wave ultrasonic transmitting/receiving transducer 1 generates multi-wave ultrasonic incident signals, the multi-wave ultrasonic incident signals are output to a detected composite material 6 and received from the detected composite material 6, the multi-wave ultrasonic transmitting/receiving transducer 1 inputs the multi-wave ultrasonic reflected signals into a multi-wave ultrasonic reflected signal fusion and display unit 4, the multi-wave ultrasonic reflected signals are reconstructed by the multi-wave ultrasonic reflected signal fusion and display unit 4 to form multi-wave ultrasonic reflected display signals, defects of the detected composite material are judged according to time domain characteristics of the multi-wave ultrasonic reflected display signals, the multi-wave ultrasonic incident signals comprise a plurality of incident signals with different pulse cycles and applicable to different coupling mediums, and the ultrasonic reflected signals comprise reflected signals corresponding to the incident signals.
In some embodiments, as shown in fig. 2, the composite material detection device based on multi-wave ultrasonic reflection further includes a multi-wave ultrasonic excitation/reception unit 2, and the multi-wave ultrasonic transmission/reception transducer 1 includes a plurality of piezoelectric sensing units having different frequencies and pulse characteristics and acoustic beam characteristics. The multi-wave ultrasonic transmitting/receiving transducer 1 generates a multi-wave ultrasonic incident signal, which comprises that a multi-wave ultrasonic exciting/receiving unit 2 generates a multi-wave ultrasonic exciting signal, and a corresponding piezoelectric sensing unit in the multi-wave ultrasonic transmitting/receiving transducer 1 is excited by a selection switch to generate the multi-wave ultrasonic incident signal.
In some embodiments, as shown in fig. 2, the composite detection device based on multi-wave ultrasound reflection further comprises a multi-wave ultrasound signal processing unit 3. The multi-wave ultrasonic transmitting/receiving transducer 1 inputs multi-wave ultrasonic reflected signals into the multi-wave ultrasonic reflected signal fusion and display unit 4, and comprises the multi-wave ultrasonic transmitting/receiving transducer 1 inputs the multi-wave ultrasonic reflected signals into the multi-wave ultrasonic exciting/receiving unit 2, the multi-wave ultrasonic exciting/receiving unit 2 carries out analog processing on the multi-wave ultrasonic reflected signals and converts the multi-wave ultrasonic reflected signals into radio frequency signals to be input into the multi-wave ultrasonic signal processing unit 3, the multi-wave ultrasonic signal processing unit 3 carries out digital conversion on radio frequency signals and converts the radio frequency signals into digital signals to be input into the multi-wave ultrasonic reflected signal fusion and display unit 4.
In some embodiments, as shown in fig. 2, the composite material detection device based on multi-wave ultrasonic reflection further includes a multi-wave ultrasonic reflection scanning unit 5. The composite material detection method based on multi-wave ultrasonic reflection further comprises the steps that the multi-wave ultrasonic reflection method scanning unit 5 drives the multi-wave ultrasonic transmitting/receiving transducer 1 to scan the detected composite material 6 to obtain multi-wave ultrasonic position signals of each detection point, the multi-wave ultrasonic reflection method scanning unit 5 inputs the multi-wave ultrasonic position signals into the multi-wave ultrasonic reflection signal fusion and display unit 4, the multi-wave ultrasonic reflection signal fusion and display unit 4 fuses the multi-wave ultrasonic reflection signals and the multi-wave ultrasonic position signals to form a multi-wave ultrasonic image, and defect discrimination is carried out on the detected composite material according to the characteristics of the multi-wave ultrasonic image.
In application, according to the characteristics of the detected composite material and the detection scene, a multi-wave ultrasonic excitation signal is generated through a multi-wave ultrasonic excitation/reception unit 2, a piezoelectric unit M 1、M2、M3 in a multi-wave ultrasonic transmission/reception transducer 1 is sequentially excited through a selection switch K 1、K2、K3 in a multiplexer, a multi-wave ultrasonic incident signal u i1、ui2、ui3 is generated and used as an incident multi-wave ultrasonic signal, wherein u i1 is the 1 st ultrasonic wave, the ultrasonic pulse cycle number N=1.0-1.5, liquid is used as an acoustic coupling agent, u i2 is the 2 nd ultrasonic wave, N=1.5-2, liquid is used as the acoustic coupling agent, u i3 is the 3 rd ultrasonic wave, and N=3.0-20, and air is used as the coupling agent.
The multi-wave ultrasonic incident signal u i1、ui2、ui3 is transmitted to the detected composite material through the corresponding acoustic coupling medium and interacts with the composite material to form multi-wave ultrasonic reflected ultrasonic signals u r1、ur2、ur3, the multi-wave ultrasonic reflected signals u r1、ur2、ur3 are respectively received by the piezoelectric units M 1、M2、M3 in the multi-wave ultrasonic transmitting/receiving transducer 1, are transmitted to the multi-wave ultrasonic exciting/receiving unit 2 for analog processing, are converted into a volt-level radio-frequency signal, are then subjected to digital conversion by the multi-wave ultrasonic signal processing unit 3 and are converted into digital signals, and are then transmitted to the multi-wave ultrasonic reflected signal fusion and display unit 4 for multi-wave ultrasonic reflected signal reconstruction to form multi-wave ultrasonic reflected display signals, and defects are distinguished according to the time domain characteristics of the multi-wave ultrasonic reflected display signals.
Meanwhile, the formed multi-wave ultrasonic reflection signals are fused with the position signals corresponding to the multi-wave ultrasonic transmitting/receiving transducer 1 to form corresponding multi-wave ultrasonic images, and defect discrimination is carried out according to the characteristics of the multi-wave ultrasonic images. The multi-wave ultrasonic transmitting/receiving transducer 1 is driven by the multi-wave ultrasonic reflection method scanning unit 5 to scan the detected composite material, a multi-wave ultrasonic signal and a corresponding multi-wave ultrasonic position signal of each detection point are obtained, multi-wave ultrasonic reflection signal reconstruction and imaging display are carried out, and a multi-wave ultrasonic reflection method display signal and image of the whole detected composite material are obtained, so that multi-wave ultrasonic reflection method coverage detection of the composite material with different detection requirements under different scenes is realized.
According to different detection scenes, characteristics of composite materials and defect detection requirements, the multi-wave ultrasonic incident signal u i1、ui2、ui3 or a combination thereof can be selected so as to obtain an optimal detection result and an optimal detection effect. According to different composite material processes, structural geometric characteristics and detection requirements, the multi-wave ultrasonic reflection method scanning unit 5 is selected to realize multi-wave ultrasonic incident signals u i1、ui2、ui3 or the combination thereof so as to obtain the optimal detection result and detection effect.
The multi-wave ultrasonic reflection method scanning unit 5 is utilized to obtain the position signal of the multi-wave ultrasonic transmitting/receiving transducer 1 and the multi-wave ultrasonic signal processing unit 3 is utilized to obtain the multi-wave ultrasonic reflection signal u r1、ur2、ur3 of the multi-wave ultrasonic transmitting/receiving transducer 1 at the corresponding position or the combination thereof, the signal and/or image mode display of the detection result is realized through the multi-wave ultrasonic reflection signal fusion and display unit 4, and the defect judgment is carried out according to the display result. The 2D (two-dimensional) and 3D (three-dimensional) multi-wave ultrasonic reflection method automatic scanning of the composite material structures with different geometric shapes is realized by utilizing different multi-wave ultrasonic reflection method scanning units 5.
By selecting different multi-wave ultrasonic transmitting/receiving transducers 1 and multi-wave ultrasonic signal processing units 3, multi-wave ultrasonic detection of composite materials with different types or different acoustic characteristics is realized. The multi-wave ultrasonic reflection signal fusion and display unit 4 can be used for realizing 2D and 3D display and detection analysis of the detection results of the multi-wave ultrasonic reflection method.
The basic flow of the multi-wave ultrasonic reflection method detection is as follows, the detected composite material, the process, the structural characteristics and the detection requirements are determined, the detection scene is determined, a multi-wave ultrasonic incident signal u i1、ui2、ui3 is selected, a multi-wave ultrasonic reflection method scanning unit 5 is selected, a multi-wave ultrasonic reflection signal fusion and display unit 4 is selected, the multi-wave ultrasonic reflection method detection is carried out on the detected composite material 6 according to a given scanning mode, and the defect evaluation is carried out by utilizing the detection result displayed in the multi-wave ultrasonic reflection signal fusion and display unit 4 after the detection is finished.
The embodiment of the application also provides a composite material detection device based on multi-wave ultrasonic reflection, which comprises a multi-wave ultrasonic transmitting/receiving transducer 1 and a multi-wave ultrasonic reflection signal fusion and display unit 4 as shown in fig. 2. The multi-wave ultrasonic transmitting/receiving transducer 1 is connected with the multi-wave ultrasonic reflected signal fusion and display unit 4, and the multi-wave ultrasonic transmitting/receiving transducer 1 is used for generating multi-wave ultrasonic incident signals, outputting the multi-wave ultrasonic incident signals to the detected composite material 6, receiving multi-wave ultrasonic reflected signals from the detected composite material 6, and inputting the multi-wave ultrasonic reflected signals to the multi-wave ultrasonic reflected signal fusion and display unit 4. The multi-wave ultrasonic reflection signal fusion and display unit 4 is used for reconstructing the multi-wave ultrasonic reflection signal to form a multi-wave ultrasonic reflection display signal, so that the defect discrimination is carried out on the detected composite material according to the time domain characteristics of the multi-wave ultrasonic reflection display signal. The multi-wave ultrasonic incident signals comprise a plurality of incident signals with different pulse cycles and different coupling media, and the multi-wave ultrasonic reflected signals comprise reflected signals corresponding to the incident signals.
In some embodiments, as shown in fig. 2, the multi-wave ultrasonic excitation/reception unit 2 is further included, the multi-wave ultrasonic transmission/reception transducer 1 includes a plurality of piezoelectric sensing units with different frequencies and pulse characteristics and acoustic beam characteristics, each piezoelectric sensing unit is connected with the multi-wave ultrasonic excitation/reception unit 2 through a selection switch, the multi-wave ultrasonic excitation/reception unit 2 is connected with the multi-wave ultrasonic reflection signal fusion and display unit 4, the multi-wave ultrasonic excitation/reception unit 2 is used for generating a multi-wave ultrasonic excitation signal, and the corresponding piezoelectric sensing units in the multi-wave ultrasonic transmission/reception transducer 1 are excited through the selection switch to generate a multi-wave ultrasonic incident signal.
In some embodiments, as shown in fig. 2, the multi-wave ultrasonic signal processing unit 3 is further included, the multi-wave ultrasonic signal processing unit 3 is respectively connected with the multi-wave ultrasonic excitation/receiving unit 2 and the multi-wave ultrasonic reflection signal fusion and display unit 4, the multi-wave ultrasonic transmission/reception transducer 1 is specifically used for inputting the multi-wave ultrasonic reflection signal into the multi-wave ultrasonic excitation/receiving unit 2, the multi-wave ultrasonic excitation/receiving unit 2 is also used for performing analog processing on the multi-wave ultrasonic reflection signal and converting the multi-wave ultrasonic reflection signal into a radio frequency signal to be input into the multi-wave ultrasonic signal processing unit 3, and the multi-wave ultrasonic signal processing unit 3 is used for performing digital conversion on the radio frequency signal and converting the radio frequency signal into a digital signal to be input into the multi-wave ultrasonic reflection signal fusion and display unit 4.
In some embodiments, as shown in fig. 2, the system further comprises a multi-wave ultrasonic reflection method scanning unit 5, the multi-wave ultrasonic reflection method scanning unit 5 is respectively connected with the multi-wave ultrasonic transmitting/receiving transducer 1 and the multi-wave ultrasonic reflection signal fusion and display unit 4, the multi-wave ultrasonic reflection method scanning unit 5 is used for driving the multi-wave ultrasonic transmitting/receiving transducer 1 to scan the detected composite material 6 to obtain multi-wave ultrasonic position signals of each detection point, the multi-wave ultrasonic position signals are input into the multi-wave ultrasonic reflection signal fusion and display unit 4, and the multi-wave ultrasonic reflection signal fusion and display unit 4 is also used for fusing the multi-wave ultrasonic reflection signals and the multi-wave ultrasonic position signals to form a multi-wave ultrasonic image, so that defect discrimination is performed on the detected composite material according to the characteristics of the multi-wave ultrasonic image.
In some embodiments, the frequency of the multi-wave ultrasonic transmitting/receiving transducer 1 is between 0.5MHz and 20MHz, and the bandwidth of the multi-wave ultrasonic excitation/receiving unit 2 is matched with the multi-wave ultrasonic transmitting/receiving transducer.
In some embodiments, the sampling frequency of the multi-wave ultrasound signal processing unit 3 is between 10MHz and 100 Mz.
In application, the composite material detection device based on multi-wave ultrasonic reflection consists of a multi-wave ultrasonic transmitting/receiving transducer 1, a multi-wave ultrasonic exciting/receiving unit 2, a multi-wave ultrasonic signal processing unit 3, a multi-wave ultrasonic reflection signal fusion and display unit 4, a multi-wave ultrasonic reflection method scanning unit 5 and the like. As shown in fig. 2, the multi-wave ultrasonic transmitting/receiving transducer 1 is composed of a piezoelectric sensing unit with different frequencies and pulse characteristics and acoustic beam characteristics, and is used for generating a multi-wave ultrasonic incident signal u i1、ui2、ui3 and receiving a multi-wave ultrasonic reflected signal u r1、ur2、ur3 from a detected composite material, the frequency is between 0.5MHz and 20MHz, the multi-wave ultrasonic exciting/receiving unit 2 is composed of a unit capable of generating a multi-wave ultrasonic exciting signal and pre-processing the multi-wave ultrasonic reflected signal, the bandwidth of the multi-wave ultrasonic exciting/receiving unit is matched with the multi-wave ultrasonic transmitting/receiving transducer 1 with the frequency between 0.5MHz and 20MHz, the multi-wave ultrasonic signal processing unit 3 is composed of an acquisition unit with a/D conversion, the sampling frequency of the multi-wave ultrasonic reflecting signal fusion and display unit 4 is composed of a computer and an imaging unit, detection result signals, 2D and 3D imaging display are realized, the multi-wave ultrasonic reflecting scanning unit 5 is composed of a multi-wave ultrasonic scanning mechanism, and the detected composite material structure with different shapes and sizes is composed of 1-14 scanning axes.
The application provides a composite material detection method and device based on multi-wave ultrasonic reflection based on a multi-wave ultrasonic reflection principle according to different detection scenes, different detected composite material characteristics and detection requirements, can meet ultrasonic detection requirements of different detection scenes and different types of composite materials, is used for not allowing application of a liquid couplant and being applicable to occasions of the liquid couplant, gives consideration to the ultrasonic detection requirements of the composite materials in the different detection scenes, further improves ultrasonic detectability of the composite materials, can be used for ultrasonic detection of the composite materials with obviously different sound attenuation characteristics and wave transmission characteristics, gives consideration to the detection requirements of the composite materials with different sound attenuation behaviors, improves the detection effect and defect detection capability of ultrasonic waves on the different composite materials, can give consideration to the defect ultrasonic detection requirements of the different composite materials, and does not need to use different ultrasonic detection systems in the different detection scenes, thereby saving ultrasonic equipment cost and reducing the requirements on detection sites.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions. The functional units and modules in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. In addition, the specific names of the functional units and modules are only for distinguishing from each other, and are not used for limiting the protection scope of the present application.
The foregoing embodiments are merely illustrative of the technical solutions of the present application, and not restrictive, and although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that modifications may still be made to the technical solutions described in the foregoing embodiments or equivalent substitutions of some technical features thereof, and that such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The composite material detection method based on the multi-wave ultrasonic reflection is characterized by being realized by a composite material detection device based on the multi-wave ultrasonic reflection, wherein the composite material detection device based on the multi-wave ultrasonic reflection comprises a multi-wave ultrasonic transmitting/receiving transducer and a multi-wave ultrasonic reflection signal fusion and display unit;
the composite material detection method based on multi-wave ultrasonic reflection comprises the following steps:
The multi-wave ultrasonic transmitting/receiving transducer generates a multi-wave ultrasonic incident signal, outputs the multi-wave ultrasonic incident signal to the detected composite material and receives a multi-wave ultrasonic reflected signal from the detected composite material;
the multi-wave ultrasonic transmitting/receiving transducer inputs the multi-wave ultrasonic reflected signal into the multi-wave ultrasonic reflected signal fusion and display unit;
the multi-wave ultrasonic reflection signal fusion and display unit reconstructs the multi-wave ultrasonic reflection signal to form a multi-wave ultrasonic reflection display signal;
performing defect discrimination on the detected composite material according to the time domain characteristics of the multi-wave ultrasonic reflection display signals;
The multi-wave ultrasonic incident signals comprise a plurality of incident signals with different pulse cycle numbers and different coupling media, and the multi-wave ultrasonic reflected signals comprise reflected signals corresponding to the incident signals.
2. The method for detecting composite materials based on multi-wave ultrasonic reflection according to claim 1, wherein the device for detecting composite materials based on multi-wave ultrasonic reflection further comprises a multi-wave ultrasonic excitation/reception unit, and the multi-wave ultrasonic transmission/reception transducer comprises a plurality of piezoelectric sensing units with different frequencies and pulse characteristics and acoustic beam characteristics;
the multi-wave ultrasonic transmitting/receiving transducer generates a multi-wave ultrasonic incident signal, comprising:
The multi-wave ultrasonic excitation/receiving unit generates a multi-wave ultrasonic excitation signal, and the corresponding piezoelectric sensing unit in the multi-wave ultrasonic transmitting/receiving transducer is excited by the selection switch to generate a multi-wave ultrasonic incident signal.
3. The method for detecting composite materials based on multi-wave ultrasonic reflection according to claim 2, wherein the device for detecting composite materials based on multi-wave ultrasonic reflection further comprises a multi-wave ultrasonic signal processing unit;
The multi-wave ultrasonic transmitting/receiving transducer inputs the multi-wave ultrasonic reflected signal to the multi-wave ultrasonic reflected signal fusion and display unit, and the multi-wave ultrasonic transmitting/receiving transducer comprises:
The multi-wave ultrasonic transmitting/receiving transducer inputs the multi-wave ultrasonic reflected signal to the multi-wave ultrasonic exciting/receiving unit;
The multi-wave ultrasonic excitation/receiving unit performs analog processing on the multi-wave ultrasonic reflected signal, converts the multi-wave ultrasonic reflected signal into a radio frequency signal and inputs the radio frequency signal into the multi-wave ultrasonic signal processing unit;
The multi-wave ultrasonic signal processing unit is used for performing digital conversion on the radio frequency signals, converting the radio frequency signals into digital signals and inputting the digital signals into the multi-wave ultrasonic reflection signal fusion and display unit.
4. The composite detection method based on multi-wave ultrasonic reflection according to claim 1, wherein the composite detection device based on multi-wave ultrasonic reflection further comprises a multi-wave ultrasonic reflection scanning unit;
the composite material detection method based on multi-wave ultrasonic reflection further comprises the following steps:
the multi-wave ultrasonic reflection method scanning unit drives the multi-wave ultrasonic transmitting/receiving transducer to scan the detected composite material to obtain multi-wave ultrasonic position signals of each detection point;
The multi-wave ultrasonic reflection method scanning unit inputs the multi-wave ultrasonic position signal into the multi-wave ultrasonic reflection signal fusion and display unit;
The multi-wave ultrasonic reflection signal fusion and display unit fuses the multi-wave ultrasonic reflection signal and the multi-wave ultrasonic position signal to form a multi-wave ultrasonic image;
and judging the defects of the detected composite material according to the characteristics of the multi-wave ultrasonic image.
5. The composite material detection device based on multi-wave ultrasonic reflection is characterized by comprising a multi-wave ultrasonic transmitting/receiving transducer and a multi-wave ultrasonic reflection signal fusion and display unit;
the multi-wave ultrasonic transmitting/receiving transducer is connected with the multi-wave ultrasonic reflection signal fusion and display unit;
The multi-wave ultrasonic transmitting/receiving transducer is used for generating a multi-wave ultrasonic incident signal, outputting the multi-wave ultrasonic incident signal to a detected composite material, receiving a multi-wave ultrasonic reflected signal from the detected composite material, and inputting the multi-wave ultrasonic reflected signal to the multi-wave ultrasonic reflected signal fusion and display unit;
The multi-wave ultrasonic reflection signal fusion and display unit is used for reconstructing the multi-wave ultrasonic reflection signal to form a multi-wave ultrasonic reflection display signal, so that the defect judgment is carried out on the detected composite material according to the time domain characteristics of the multi-wave ultrasonic reflection display signal;
The multi-wave ultrasonic incident signals comprise a plurality of incident signals with different pulse cycle numbers and different coupling media, and the multi-wave ultrasonic reflected signals comprise reflected signals corresponding to the incident signals.
6. The composite material detection device based on multi-wave ultrasonic reflection according to claim 5, further comprising a multi-wave ultrasonic excitation/reception unit, wherein the multi-wave ultrasonic transmission/reception transducer comprises a plurality of piezoelectric sensing units having different frequencies and pulse characteristics and acoustic beam characteristics;
The multi-wave ultrasonic excitation/receiving unit is connected with the multi-wave ultrasonic reflection signal fusion and display unit;
The multi-wave ultrasonic excitation/receiving unit is used for generating multi-wave ultrasonic excitation signals, and exciting the corresponding piezoelectric sensing units in the multi-wave ultrasonic transmitting/receiving transducer through the selection switch to generate multi-wave ultrasonic incident signals.
7. The composite detection device based on multi-wave ultrasonic reflection according to claim 6, further comprising a multi-wave ultrasonic signal processing unit;
the multi-wave ultrasonic signal processing unit is respectively connected with the multi-wave ultrasonic excitation/receiving unit and the multi-wave ultrasonic reflection signal fusion and display unit;
the multi-wave ultrasonic transmitting/receiving transducer is specifically used for inputting the multi-wave ultrasonic reflected signal into the multi-wave ultrasonic excitation/receiving unit;
The multi-wave ultrasonic excitation/receiving unit is also used for carrying out analog processing on the multi-wave ultrasonic reflected signals, converting the signals into radio frequency signals and inputting the radio frequency signals into the multi-wave ultrasonic signal processing unit;
The multi-wave ultrasonic signal processing unit is used for performing digital conversion on the radio frequency signals, converting the radio frequency signals into digital signals and inputting the digital signals into the multi-wave ultrasonic reflection signal fusion and display unit.
8. The composite material detection device based on multi-wave ultrasonic reflection according to claim 5, further comprising a multi-wave ultrasonic reflection scanning unit;
The multi-wave ultrasonic reflection method scanning unit is respectively connected with the multi-wave ultrasonic transmitting/receiving transducer and the multi-wave ultrasonic reflection signal fusion and display unit;
The multi-wave ultrasonic reflection method scanning unit is used for driving the multi-wave ultrasonic transmitting/receiving transducer to scan the detected composite material to obtain multi-wave ultrasonic position signals of each detection point, and inputting the multi-wave ultrasonic position signals into the multi-wave ultrasonic reflection signal fusion and display unit;
The multi-wave ultrasonic reflection signal fusion and display unit is also used for fusing the multi-wave ultrasonic reflection signal and the multi-wave ultrasonic position signal to form a multi-wave ultrasonic image, so that the defect discrimination is carried out on the detected composite material according to the characteristics of the multi-wave ultrasonic image.
9. The multi-wave ultrasound reflection-based composite material detection apparatus according to claim 6, wherein the frequency of the multi-wave ultrasound transmitting/receiving transducer is between 0.5MHz and 20MHz, and the bandwidth of the multi-wave ultrasound excitation/receiving unit is matched with the multi-wave ultrasound transmitting/receiving transducer.
10. The composite detection device based on multi-wave ultrasonic reflection according to claim 7, wherein the sampling frequency of the multi-wave ultrasonic signal processing unit is between 10MHz and 100 Mz.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120177635A (en) * | 2025-05-22 | 2025-06-20 | 中航复合材料有限责任公司 | A method for reconstructing ultrasonic reflection detection signals of multi-curved and thickened composite blades |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103385736A (en) * | 2013-07-31 | 2013-11-13 | 深圳先进技术研究院 | Endoscopic ultrasonic imaging device and method for nasopharynx cancer |
| CN104049038A (en) * | 2014-06-19 | 2014-09-17 | 中航复合材料有限责任公司 | Ultrasonic-acoustic emission detection method for composite material |
| CN105180854A (en) * | 2015-10-07 | 2015-12-23 | 华北水利水电大学 | Large-power four-crystal integrated ultrasonic transducer |
| CN105214926A (en) * | 2015-10-07 | 2016-01-06 | 华北水利水电大学 | A kind of combination ultrasonic transceiver transducer |
| CN106770670A (en) * | 2016-11-18 | 2017-05-31 | 中航复合材料有限责任公司 | A kind of composite material defect method of discrimination holographic based on impulse ultrasound |
-
2024
- 2024-11-28 CN CN202411719167.3A patent/CN119827622A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103385736A (en) * | 2013-07-31 | 2013-11-13 | 深圳先进技术研究院 | Endoscopic ultrasonic imaging device and method for nasopharynx cancer |
| CN104049038A (en) * | 2014-06-19 | 2014-09-17 | 中航复合材料有限责任公司 | Ultrasonic-acoustic emission detection method for composite material |
| CN105180854A (en) * | 2015-10-07 | 2015-12-23 | 华北水利水电大学 | Large-power four-crystal integrated ultrasonic transducer |
| CN105214926A (en) * | 2015-10-07 | 2016-01-06 | 华北水利水电大学 | A kind of combination ultrasonic transceiver transducer |
| CN106770670A (en) * | 2016-11-18 | 2017-05-31 | 中航复合材料有限责任公司 | A kind of composite material defect method of discrimination holographic based on impulse ultrasound |
Non-Patent Citations (1)
| Title |
|---|
| 刘菲菲 等: ""面向不同复合材料修理场景的多模超声集成可视化检测技术"", 《航空制造技术》, vol. 67, no. 20, 15 October 2024 (2024-10-15), pages 14 - 22 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120177635A (en) * | 2025-05-22 | 2025-06-20 | 中航复合材料有限责任公司 | A method for reconstructing ultrasonic reflection detection signals of multi-curved and thickened composite blades |
| CN120177635B (en) * | 2025-05-22 | 2025-08-12 | 中航复合材料有限责任公司 | A method for reconstructing ultrasonic reflection detection signals of multi-curved and thickened composite blades |
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