CN109799282B - Electromagnetic ultrasonic inspection system and method based on two-dimensional code assistance - Google Patents
Electromagnetic ultrasonic inspection system and method based on two-dimensional code assistance Download PDFInfo
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Abstract
The invention provides an electromagnetic ultrasonic inspection system and method based on two-dimensional code assistance. The system comprises a two-dimensional code carrier film, a signal identification module and a result display module, wherein the signal identification module and the result display module are arranged on an inspection instrument, and the two-dimensional code carrier film is arranged on the surface of an object to be inspected and used for distinguishing and positioning an area to be inspected; the signal identification module is used for identifying two-dimensional code information on the two-dimensional code carrier film and marking the inspection validity of the area to be inspected according to the identified two-dimensional code information; and the result display module is used for displaying the labeling result of the region to be detected. The invention adopts the two-dimensional code technology to assist in carrying out position positioning, inspection area coverage and defect information image display auxiliary judgment, realizes the functions of coverage judgment and defect detection identification of the ultrasonic inspection area of the object to be inspected, simplifies the ultrasonic inspection operation and ensures zero missing inspection of the ultrasonic inspection area.
Description
Technical Field
The invention relates to the technical field of ultrasonic inspection, in particular to an electromagnetic ultrasonic inspection system and method based on two-dimensional code assistance.
Background
Ultrasonic inspection is that an inspector excites and receives a sound wave signal by means of an ultrasonic inspection device (an ultrasonic probe) and analyzes and judges echo information to realize inspection of internal defects of an inspected object. The conventional ultrasonic inspection technology is a contact inspection, i.e., a probe and an object to be inspected are in contact inspection, and a coupling agent (commonly used mixture is engine oil, glycerin, chemical paste, water and the like) is required to be arranged between the probe and the object to be inspected, so that sound waves excited by the ultrasonic probe are transmitted into the object to be inspected, and the inspection is realized.
The ultrasonic inspection process generally adopts manual inspection or an automatic or semi-automatic scanning device for inspection. At present, the inspection range coverage, defect judgment and identification and the like in the ultrasonic inspection process completely depend on the personal ability and working experience of inspectors. The problem of non-destructive inspection missing inspection in different degrees of each industry also reflects that: the reliability of the inspection is at risk under the influence of various external factors and potential human factors, such as inspection environment, high-intensity inspection work and the like.
The current inspection means have the following problems:
1) the inspection process completely depends on the personal ability and experience of inspection personnel, and the inspection reliability has no other effective supervision measures;
2) in order to meet the requirement of 100% of the inspection range, a more conservative inspection mode may be adopted in the inspection process, that is, the coverage of the path scanned each time is larger, which leads to the reduction of the inspection efficiency;
3) the risk of missing detection of the detection range, missing detection of defects and the like exists.
Disclosure of Invention
The invention aims to provide an electromagnetic ultrasonic inspection system and method based on two-dimensional code assistance, which can be used for carrying out position positioning, inspection area coverage and defect information image display auxiliary judgment by adopting the two-dimensional code technology, realizing the functions of coverage judgment and defect detection identification of an ultrasonic inspection area of an object to be inspected, simplifying ultrasonic inspection operation and ensuring zero missing inspection of the ultrasonic inspection area.
The technical scheme provided by the invention for the technical problem is as follows: an electromagnetic ultrasonic inspection system based on two-dimension code assistance comprises a two-dimension code carrier film, a signal identification module and a result display module which are arranged on an inspection instrument, wherein,
the two-dimensional code carrier film covers the surface of an object to be detected and is used for distinguishing and positioning an area to be detected;
the signal identification module is used for identifying two-dimension code information on the two-dimension code carrier film and marking the inspection effectiveness of the area to be inspected according to the identified two-dimension code information;
and the result display module is used for displaying the labeling result of the area to be detected.
In the electromagnetic ultrasonic inspection system based on two-dimensional code assistance, the two-dimensional code carrier film is marked with a zero point position and comprises a plurality of two-dimensional code modules with position information, which are sequentially printed and arranged in the X/Y axial direction, and each two-dimensional code module corresponds to one inspection subarea.
In the electromagnetic ultrasonic inspection system based on two-dimensional code assistance, the two-dimensional code carrier film is covered and fixed on a calibrated zero position of an object to be inspected.
In the electromagnetic ultrasonic inspection system based on two-dimensional code assistance, the distance between each two-dimensional code module is smaller than the proportion range of the size of the transducer parallel to the scanning direction, which is covered by the path of each scanning specified by the standard.
In the electromagnetic ultrasonic inspection system based on two-dimensional code assistance, the two-dimensional code carrier film is made of wear-resistant non-metallic materials, and the thickness of the two-dimensional code carrier film is smaller than 1 mm.
In the two-dimension code auxiliary-based electromagnetic ultrasonic inspection system, the signal identification module marks the two-dimension code module area which is inspected by 100% as a first color, and marks the two-dimension code module area which is to be inspected or is not inspected by 100% as a second color.
In the electromagnetic ultrasonic inspection system based on two-dimensional code assistance provided by the invention, the signal identification module is further used for judging whether an echo signal of the inspection instrument exceeds a defect recording threshold value, and if the echo signal exceeds the defect recording threshold value, a two-dimensional code module area corresponding to the signal is marked with a third color.
Correspondingly, the invention also provides an electromagnetic ultrasonic inspection method based on two-dimensional code assistance, which comprises the following steps:
arranging a two-dimensional code carrier film for distinguishing and positioning an area to be inspected on the surface of an object to be inspected;
identifying two-dimensional code information on the two-dimensional code carrier film by a signal identification module arranged on an inspection instrument, and marking inspection effectiveness of the area to be inspected according to the identified two-dimensional code information;
and displaying the labeling result of the region to be detected on a result display module arranged on the detecting instrument.
In the two-dimension code auxiliary-based electromagnetic ultrasonic inspection method provided by the invention, the signal identification module marks the two-dimension code module area which is inspected by 100% as a first color, and marks the two-dimension code module area which is to be inspected or is not inspected by 100% as a second color.
The invention provides an electromagnetic ultrasonic inspection method based on two-dimensional code assistance, which further comprises the following steps:
and judging whether the echo signal of the inspection instrument exceeds a defect recording threshold value or not by the signal identification module, and if so, marking the two-dimensional code module area corresponding to the signal as a third color.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: according to the electromagnetic ultrasonic inspection system based on two-dimensional code assistance, the area position is positioned through the two-dimensional code carrier film, the signal recognition module is configured in the inspection instrument, whether the inspection range is 100% covered or not is monitored, the inspection effectiveness of the area to be inspected is marked, the inspection effectiveness is tracked and displayed, the effective distinguishing of the undetected area is realized, and the omission inspection is avoided; meanwhile, the information area exceeding the recording threshold is warned, so that inspectors are prompted to further discriminate the signals in the inspection area, and the function of auxiliary judgment of the defect signals is realized.
Drawings
Fig. 1 is a schematic diagram of a two-dimensional code-based electromagnetic ultrasonic inspection system according to an embodiment of the present invention.
Fig. 2 is an exemplary diagram of a two-dimensional code carrier film of a two-dimensional code-assisted electromagnetic ultrasonic inspection system according to an embodiment of the present invention.
Fig. 3 is a flowchart of a two-dimensional code-based electromagnetic ultrasonic inspection method according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example one
The embodiment of the invention provides a two-dimensional code-assisted electromagnetic ultrasonic inspection system, which is used for partitioning and positioning an area to be inspected of the electromagnetic ultrasonic inspection system through a two-dimensional code technology, and the attached drawing 1 is a schematic diagram of the system. The electromagnetic ultrasonic inspection system based on two-dimensional code assistance comprises a two-dimensional code carrier film 100, a signal identification module 200 arranged on an inspection instrument and a result display module 300. The two-dimensional code carrier film 100 covers the surface of an object to be inspected and is used for distinguishing and positioning an area to be inspected; the signal identification module 200 is configured to identify two-dimensional code information on the two-dimensional code carrier film, and mark the inspection validity of the area to be inspected according to the identified two-dimensional code information; the result display module 300 is configured to display the labeling result of the area to be inspected.
In the present invention, the inspection instrument is an electromagnetic ultrasonic inspection instrument (including a probe and a display instrument). The electromagnetic ultrasonic probe is used for exciting and receiving ultrasonic waves in a workpiece to realize detection through the action of a magnetic field, an alternating current coil and the like, and the essence of the electromagnetic ultrasonic probe is ultrasonic detection. Compared with the conventional ultrasonic inspection, the electromagnetic ultrasonic inspection technology has the biggest characteristic of non-contact type inspection, does not need a coupling agent, has a lift-off distance of 2mm-3mm (distance from a workpiece), and has the advantages of suitability for high-temperature inspection, easiness in exciting various ultrasonic waveforms and the like. Therefore, the electromagnetic ultrasonic inspection process has feasibility by adopting a two-dimensional code technology for auxiliary inspection.
Further, in an embodiment of the present invention, the electromagnetic ultrasonic probe recognizes the two-dimensional code information through a built-in micro camera, so as to realize recognition and recording of the two-dimensional code information, and at the same time, excitation and reception of the electromagnetic ultrasonic probe are not affected. In the ultrasonic inspection process, the scanning direction of the ultrasonic probe is consistent with the scanning and identifying direction of the two-dimensional code, and the scanning and identifying speed of the two-dimensional code is matched with the speed of the inspection so as to ensure the effectiveness of the inspection process.
Further, in an embodiment of the present invention, the two-dimensional code information technology as an information carrier has technical advantages of convenient operation, no special requirement for the carrier, large information amount, and the like, and has been widely used in many industries. The application adopts a two-dimensional code technology as an information carrier to partition and position the inspection area. The two-dimensional code carrier film that this application adopted is wear-resisting non-metallic material (for example, plastics), and film thickness is less than 1mm, does not have the influence to electromagnetic ultrasonic probe signal excitation and propagation. The two-dimensional code carrier film is marked with a zero position and comprises a plurality of two-dimensional code modules which are sequentially printed and arranged in the X/Y axial direction and provided with position information, and each two-dimensional code module corresponds to one inspection subarea. The distance between every two-dimensional code module is smaller than the proportion range of the dimension of the transducer parallel to the scanning direction, which is covered by the path of each scanning specified by the standard, so that the coverage of the probe is ensured. In the inspection process, the film printed with the two-dimensional code is covered and fixed on a calibrated zero position of an inspection object, so that the partition and the positioning of an inspection area of the object to be inspected are realized.
Further, in an embodiment of the present invention, the signal identification module determines whether the area to be inspected corresponding to the two-dimensional code module has been 100% inspected according to the scanned two-dimensional code information, labels the area of the two-dimensional code module that has been 100% inspected as a first color (for example, green), and labels the area of the two-dimensional code module that is to be inspected or not 100% inspected as a second color (for example, gray). Therefore, the undetected areas can be effectively distinguished, and the undetected areas are avoided.
Further, in an embodiment of the present invention, the signal identification module further performs defect judgment according to an echo signal value of the inspection instrument. Specifically, the signal identification module determines whether an echo signal of the inspection instrument exceeds a defect record threshold, and if the echo signal exceeds the defect record threshold, the two-dimensional code module region corresponding to the signal is marked with a third color (for example, red), so as to prompt an inspector to further discriminate the signal in the inspection region.
According to the electromagnetic ultrasonic auxiliary inspection system based on the two-dimensional code, the area position is positioned through the two-dimensional code carrier film, the signal recognition module is configured in the inspection instrument, whether the inspection range is 100% covered or not is monitored, the inspection effectiveness of the area to be inspected is marked, the inspection effectiveness is tracked and displayed, the effective distinguishing of the undetected area is realized, and the omission inspection is avoided; meanwhile, the information area exceeding the recording threshold is warned, so that inspectors are prompted to further discriminate the signals in the inspection area, and the function of auxiliary judgment of the defect signals is realized.
Example two
The invention provides an electromagnetic ultrasonic inspection method based on two-dimensional code assistance, which is suitable for a system shown in the first embodiment and is shown in a flow chart of figure 3, and the method comprises the following steps:
s1, arranging a two-dimensional code carrier film for distinguishing and positioning an area to be inspected on the surface of an object to be inspected;
s2, identifying the two-dimensional code information on the two-dimensional code carrier film by a signal identification module arranged on the inspection instrument, and marking the inspection effectiveness of the area to be inspected according to the identified two-dimensional code information;
and S3, displaying the labeling result of the area to be tested on a result display module arranged on the testing instrument.
Further, in step S2, the signal recognition module marks the two-dimensional code module area that has been 100% checked as a first color, and marks the two-dimensional code module area that is to be checked or not 100% checked as a second color. Specifically, the signal identification module determines whether the area to be inspected corresponding to the two-dimensional code module has been inspected by 100% according to the scanned two-dimensional code information, labels the area of the two-dimensional code module that has been inspected by 100% as a first color (for example, green), and labels the area of the two-dimensional code module that is to be inspected or not inspected by 100% as a second color (for example, gray). Therefore, the undetected areas can be effectively distinguished, and the undetected areas are avoided.
Further, still include:
and judging whether the echo signal of the inspection instrument exceeds a defect recording threshold value or not by the signal identification module, and if so, marking the two-dimensional code module area corresponding to the signal as a third color.
Specifically, the signal identification module determines whether an echo signal of the inspection instrument exceeds a defect record threshold, and if the echo signal exceeds the defect record threshold, the two-dimensional code module region corresponding to the signal is marked with a third color (for example, red), so as to prompt an inspector to further discriminate the signal in the inspection region.
It should be noted that: in the above embodiment, when the system is implemented, only the division of the functional modules is taken as an example, and in practical application, the functions may be distributed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules, so as to complete all or part of the functions described above. In addition, the system and method embodiments provided by the above embodiments belong to the same concept, and specific implementation processes thereof are described in detail in the method embodiments and are not described herein again.
Those skilled in the art will appreciate that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing associated hardware, and the program may be stored in a computer readable storage medium. The above mentioned control or switching function is realized by a controller, and the controller may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The above-mentioned storage may be a storage device built in the terminal, such as a hard disk or a memory. The system of the invention also comprises a memory which can also be an external storage device of the system, a plug-in hard disk, an intelligent memory Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) and the like. The memory may also include both internal storage units of the system and external storage devices for storing computer programs and other programs and information as needed. The memory may also be used to temporarily store information that has been output or is to be output.
In summary, the electromagnetic ultrasonic inspection system based on two-dimensional code assistance of the invention realizes area position positioning through the two-dimensional code carrier film, and configures the signal recognition module in the inspection instrument to monitor whether the inspection range is 100% covered, and marks the inspection effectiveness of the area to be inspected so as to realize tracking display of the inspection effectiveness, realize effective distinguishing of the undetected area, and avoid missing inspection; meanwhile, the information area exceeding the recording threshold is warned, so that inspectors are prompted to further discriminate the signals in the inspection area, and the function of auxiliary judgment of the defect signals is realized. .
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. An electromagnetic ultrasonic inspection system based on two-dimension code assistance is characterized by comprising a two-dimension code carrier film, a signal identification module and a result display module, wherein the signal identification module and the result display module are arranged on an inspection instrument,
the two-dimensional code carrier film is arranged on the surface of an object to be detected and used for distinguishing and positioning an area to be detected;
the signal identification module is used for identifying two-dimension code information on the two-dimension code carrier film and marking the inspection effectiveness of the area to be inspected according to the identified two-dimension code information;
the result display module is used for displaying the labeling result of the area to be detected;
the two-dimensional code carrier film is marked with a zero point position and comprises a plurality of two-dimensional code modules with position information, which are sequentially printed and arranged in the X/Y axial direction, and each two-dimensional code module corresponds to one inspection subarea;
the signal identification module marks the two-dimension code module area which is detected by 100% as a first color, and marks the two-dimension code module area which is to be detected or is not detected by 100% as a second color;
the signal identification module is further used for judging whether the echo signal of the inspection instrument exceeds a defect recording threshold value, and if the echo signal exceeds the defect recording threshold value, the two-dimensional code module area corresponding to the signal is marked with a third color.
2. The two-dimensional code auxiliary-based electromagnetic ultrasonic inspection system according to claim 1, wherein the two-dimensional code carrier film is fixed in a covering manner at a calibrated zero position of an object to be inspected.
3. The two-dimensional code assisted electromagnetic ultrasonic inspection system according to claim 1, wherein the spacing between each two-dimensional code module is smaller than the standard specified proportional range of the transducer size parallel to the scanning direction that the path of each scan should cover.
4. The two-dimensional code auxiliary-based electromagnetic ultrasonic inspection system according to claim 1, wherein the two-dimensional code carrier film is a wear-resistant non-metallic material and has a thickness of less than 1 mm.
5. The electromagnetic ultrasonic inspection method based on two-dimensional code assistance is characterized by comprising the following steps of:
arranging a two-dimensional code carrier film for distinguishing and positioning an area to be inspected on the surface of an object to be inspected;
identifying two-dimensional code information on the two-dimensional code carrier film by a signal identification module arranged on an inspection instrument, and marking inspection effectiveness of the area to be inspected according to the identified two-dimensional code information;
displaying the labeling result of the region to be inspected on a result display module arranged on the inspection instrument;
the signal identification module marks the two-dimension code module area which is detected by 100% as a first color, and marks the two-dimension code module area which is to be detected or is not detected by 100% as a second color;
further comprising:
and judging whether the echo signal of the inspection instrument exceeds a defect recording threshold value or not by the signal identification module, and if so, marking the two-dimensional code module area corresponding to the signal as a third color.
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| CN204359824U (en) * | 2014-12-25 | 2015-05-27 | 天津威盛电子有限公司 | A kind of have the pedestal of Quick Response Code and the pick-up unit for detecting this pedestal |
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