CN113310997A - PCB defect confirmation method and device, automatic optical detection equipment and storage medium - Google Patents
PCB defect confirmation method and device, automatic optical detection equipment and storage medium Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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Abstract
The invention discloses a method and a device for confirming PCB defects, automatic optical detection equipment and a storage medium, wherein the method for confirming the PCB defects comprises the following steps: in the process of carrying out defect detection on the PCB, acquiring a defect detection image, and determining defect item information according to the defect detection image; and classifying and displaying the information of the defect items, and displaying a defect detection image corresponding to the defect item when any defect item is selected in the classification display frame. Therefore, the speed of confirming the defects of the PCB can be effectively increased, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of PCB (printed circuit board) detection, in particular to a PCB defect confirmation method and device, automatic optical detection equipment and a storage medium.
Background
With the rapid development of the electronic information field, the quality requirement of a Printed Circuit Board (PCB) is higher and higher, and after the PCB is processed, detecting the defects of the PCB is an important link of quality control.
In the related art, an Automated Optical Inspection (AOI) is used to detect defects of a Printed Circuit Board (PCB), and after a primary detection is completed, a defect item is marked on a drawing, and when a subsequent secondary confirmation is performed on the defect item, a motion platform is moved to the defect item, and the defect item is detected again. The mode causes the low speed of confirming the defect item, directly influences the production efficiency, and the problem is particularly obvious under the condition that the PCB has a plurality of defects.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, a first objective of the present invention is to provide a method for confirming a defect of a PCB, which can effectively improve the speed of confirming the defect of the PCB and improve the production efficiency.
A second object of the invention is to propose a computer-readable storage medium.
A third object of the present invention is to provide an automatic optical inspection apparatus.
The fourth object of the present invention is to provide a PCB defect verification apparatus.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a method for confirming defects of a PCB, the method including: in the process of carrying out defect detection on the PCB, acquiring a defect detection image, and determining defect item information according to the defect detection image; and classifying and displaying the information of the defect items, and displaying a defect detection image corresponding to the defect item when any defect item is selected in the classification display frame.
According to the PCB defect confirming method, the defect detection image is obtained in the process of detecting the defects of the PCB, the defect item information is determined according to the defect detection image, the defect item information is displayed in a classified mode, and the defect detection image corresponding to the defect item is displayed when any defect item is selected in the classified display frame. Therefore, the speed of confirming the defects of the PCB can be effectively increased, and the production efficiency is improved.
According to an embodiment of the present invention, before performing the classified display on the defect item information, the method further includes: and generating a program file according to the defect detection image and the defect item information, wherein the program file comprises the one-to-one correspondence of the defect item type, the defect item identification and the defect detection image.
According to an embodiment of the present invention, generating a program file based on a defect detection image and defect item information includes: establishing a corresponding relation between the defect detection image and the defect item type and the defect item identification, determining a mapping relation between a mechanical coordinate system where the PCB is located and a coordinate system of the program file, and mapping the corresponding relation in the mechanical coordinate system into the program file according to the mapping relation.
According to one embodiment of the invention, the defect entry types include at least one of an off-center, a leaky backdrill, a full drain, and a leaky through hole.
According to one embodiment of the invention, the classified display of the defect item information comprises the following steps: analyzing the program file to obtain the classification result of the defect item, and displaying the classification result of the defect item by adopting a list mode.
According to an embodiment of the present invention, when any defect item is selected in the classification display frame, displaying a defect detection image corresponding to the defect item, includes: and receiving a click instruction of a user, acquiring a defect item identifier according to the click instruction, acquiring a corresponding defect detection image according to the defect item identifier, and displaying the acquired defect detection image.
According to an embodiment of the invention, the method further comprises: the program file is saved in a preset format so as to display the corresponding defect detection image according to the defect item identifier when the program file is re-imported.
In order to achieve the above object, a second aspect of the present invention provides a computer-readable storage medium, on which a PCB board defect verification program is stored, wherein the PCB board defect verification program, when executed by a processor, implements the above PCB board defect verification method.
According to the computer-readable storage medium of the embodiment of the invention, the PCB defect confirming program is stored on the computer-readable storage medium, and the PCB defect confirming method is realized when the PCB defect confirming program is executed by the processor, so that the PCB defect confirming speed can be effectively increased, and the production efficiency can be improved.
In order to achieve the above object, a third embodiment of the present invention provides an automatic optical inspection apparatus, which includes a memory, a processor, and a PCB defect verification program stored in the memory and executable on the processor, wherein the processor implements the above method when executing the PCB defect verification program.
According to the embodiment of the invention, the automatic optical detection equipment comprises a memory, a processor and a PCB defect confirmation program which is stored on the memory and can run on the processor, and when the processor executes the PCB defect confirmation program, the PCB defect confirmation method is realized, so that the confirmation speed of the PCB defects can be effectively improved, and the production efficiency is improved.
In order to achieve the above object, a fourth aspect of the present invention provides a defect verification apparatus for a PCB, comprising: the acquisition module is used for acquiring a defect detection image in the process of detecting the defects of the PCB and determining defect item information according to the defect detection image; and the display module is used for displaying the defect item information in a classified manner and displaying the defect detection image corresponding to the defect item when any defect item is selected in the classified display frame.
According to the PCB defect confirming device provided by the embodiment of the invention, the defect detection image is obtained by the obtaining module in the process of detecting the defects of the PCB, the defect item information is determined according to the defect detection image, the display module is used for carrying out classified display on the defect item information, and the defect detection image corresponding to the defect item is displayed when any defect item is selected in the classified display frame, so that the confirming speed of the defects of the PCB can be effectively improved, and the production efficiency is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a flow chart of a PCB defect verification method according to one embodiment of the invention;
FIG. 2 is a schematic diagram of a display operator interface according to another embodiment of the present invention;
FIG. 3 is a flow chart of a PCB defect verification method according to another embodiment of the invention;
FIG. 4 is a block diagram of an automated optical inspection device according to one embodiment of the present invention;
fig. 5 is a block diagram illustrating a structure of a PCB defect confirming apparatus according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The following describes a method and an apparatus for confirming defects of a PCB, an automatic optical inspection device, and a storage medium according to embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a flowchart of a method for confirming a defect of a PCB according to an embodiment of the present invention, and referring to fig. 1, the method for confirming a defect of a PCB may include the following steps:
step S101: and in the process of detecting the defects of the PCB, acquiring a defect detection image, and determining defect item information according to the defect detection image.
Specifically, when the defect detection is performed on the PCB, the PCB may be detected once, and in the process of detecting once, the defect detection image is obtained, and the defect item information is determined according to the defect detection image.
Specifically, the imported PCB processing document may be analyzed by the document analysis module to serve as a PCB detection document, and the analyzed PCB detection document may be displayed by the program display module, for example, in the form of a drawing, so that the user may perform some operations on the PCB detection document, for example, perform operations such as mirroring, rotating, deleting, selecting, and positioning on the drawing. The positioning module can be used for carrying out positioning operation according to the board width and board thickness dimension information of the PCB input by a user so as to determine the mapping relation between the mechanical coordinate system of the PCB and the coordinate system of the PCB detection file data, and therefore the information of the detection items in the PCB detection file data is mapped into the mechanical coordinate system.
Then, the PCB is detected once, when the detection is carried out, the motion of the mechanical table board and the motor can be controlled through the motion control module, the PCB is located in an image acquisition area, the image acquisition is carried out on the PCB through the image acquisition module, the acquired image is analyzed, and a defect detection image is obtained. In the image acquisition process, the light can be supplemented to the image acquisition area, for example, the light is supplemented by controlling the on-off and the brightness of the light source through the light source control module. After the image is collected, the collected image is preprocessed through an image processing module, such as image denoising and contrast enhancement, and the preprocessed image is analyzed, so that defect item information (the information can comprise eccentricity, back drilling leakage, full leakage and through hole leakage) of a detection item on the image is determined, and the defect item information is marked in PCB detection file data, such as a drawing.
Step S102: and classifying and displaying the information of the defect items, and displaying a defect detection image corresponding to the defect item when any defect item is selected in the classification display frame.
Specifically, after the PCB is detected once and defect item information is obtained, the defect items can be classified and displayed in a classification display frame through a software operation module. The software operation module may include a display operation interface presented to the user, as shown in fig. 2, the interface may display a detection result, such as a defect detection image (which may include images detected by the area-array camera and the line-scan camera, respectively), a classification display frame of a defect item, and the like; detection information such as detection progress information (which may include information such as to-be-detected, in-detection, detected, and detection progress bars) may also be displayed; other detection information (such as file name, drawing element, board thickness, detection information, and coordinates) may also be displayed; and the user can carry out related operations. Wherein the related operations may include: the user can select any defect item in the classification display frame, and after the defect item is selected, the software operation module can display a defect detection image corresponding to the defect item so as to allow the user to confirm the secondary defect.
It can be understood that, as shown in fig. 2, the display operation interface may also display a multifunctional menu, through which the detection result and the detection parameters may be opened; a function tab can also be displayed, and the function tab can be provided with options of saving, switching, setting and the like; the light source control bar can also be displayed; and an operation bar (which may include options of up, down, left, right, head, tail, positive, negative, etc.) may be displayed.
In the embodiment, the defect detection image during primary detection is acquired, the defect item information is determined according to the defect detection image, the defect item information is displayed in a classified manner, and when any defect item is selected in the classified display frame during secondary confirmation, the defect detection image corresponding to the defect item is displayed, so that a user can conveniently and directly confirm the defect item without manually clicking one defect item, the moving platform moves to the position of the defect item again, and the image acquisition confirmation is carried out again, so that the speed of confirming the defects of the PCB can be effectively increased, the production efficiency is improved, and particularly, the advantages are obvious under the condition that the defects on the PCB are many.
In one embodiment, before the classifying and displaying the defect item information, the method for confirming the defect of the PCB further comprises: and generating a program file according to the defect detection image and the defect item information, wherein the program file comprises the one-to-one correspondence of the defect item type, the defect item identification and the defect detection image.
That is, after completing the first inspection, the program file can be generated according to the defect inspection image and the defect item information in the inspection result for saving and importing during the second inspection. The program file may include a one-to-one correspondence of defect item types, defect item identifications, and defect inspection images. Wherein, the defect item type can comprise at least one of eccentricity, leakage back drilling, full leakage and leakage through hole; the defect item identifier is called defect item ID for short, and is an identity identification number given to each defect item through the image processing module so as to facilitate defect confirmation of a user; the defect detection image can be displayed to a user through the program display module, and operations such as mirroring, rotating, deleting and the like can be performed in the display process.
Further, generating a program file according to the defect detection image and the defect item information includes: establishing a corresponding relation between the defect detection image and the defect item type and the defect item identification, determining a mapping relation between a mechanical coordinate system where the PCB is located and a coordinate system of the program file, and mapping the corresponding relation in the mechanical coordinate system into the program file according to the mapping relation.
Specifically, when the program file is generated according to the defect detection image and the defect item information, the defect type and the defect item ID of each defect detection image may be determined, that is, the correspondence between the defect detection image and the defect item type and defect item ID may be established. It can be understood that, based on the foregoing, there is a mapping relationship between the mechanical coordinate system of the PCB and the coordinate system of the PCB inspection document data, so that after the corresponding relationship is established, the mapping relationship can be obtained, and the corresponding relationship in the mechanical coordinate system is mapped to the program file according to the mapping relationship, so as to correspond to the PCB inspection document data.
In one embodiment, the classified display of the defect item information includes: analyzing the program file to obtain the classification result of the defect item, and displaying the classification result of the defect item by adopting a list mode.
Specifically, after completing the primary detection, the program file can be generated according to the defect detection image and the defect item information in the defect detection result of the PCB, and stored in the memory. When the defects of the PCB are confirmed for the second time, the program file can be imported, the program file is analyzed through the file analysis module, then the defect item classification result is obtained according to the analyzed program file, and the defect item classification result is displayed through the software operation module, as shown in FIG. 2, the display can adopt a list mode, and the list can comprise a defect type column and a defect item ID column, so that a user can visually and conveniently confirm the defects.
In some embodiments, when any defect item is selected in the classification display frame, displaying a defect detection image corresponding to the defect item, including: and receiving a click instruction of a user, acquiring a defect item identifier according to the click instruction, acquiring a corresponding defect detection image according to the defect item identifier, and displaying the acquired defect detection image.
That is to say, when any defect item of the PCB needs to be secondarily confirmed, a user can select the defect item in the classification display frame through the mouse to send a click instruction to the software operation module, the software operation module obtains a defect item ID according to the click instruction, obtains a defect detection image corresponding to the defect item ID according to the corresponding relationship in the program file, and displays the defect detection image, so that the user can perform secondary confirmation based on the defect detection image.
As a specific example, referring to fig. 2, a user may check out a defect item to be confirmed in a classification display frame, such as missed back drilling, missed through hole, missed back drilling through hole, concentricity, aperture tolerance, and the like, and the classification result of the selected defect item may be displayed in a list, where the list includes not only the type of the defect item but also a corresponding ID of the defect item. During operation, a user can click each defect item through a mouse and can also switch each defect item through an up-down key, when one defect item is selected, the corresponding ID and defect type of the defect item in the list can be highlighted, the mark of the defect item in the drawing can be highlighted, and the defect detection image of the defect item can be displayed at the same time, so that the user can visually and conveniently perform secondary confirmation.
In one embodiment, the method for confirming the defect of the PCB further comprises: the program file is saved in a preset format so as to display the corresponding defect detection image according to the defect item identifier when the program file is re-imported. For example, after the primary detection of the PCB defect is finished, the program file of the PCB defect detection result is saved in a preset format (which can be specifically determined according to actual requirements), and when the trace confirmation is required in the later period, the program file is directly imported, and the program file can be displayed through the display operation interface. At this time, if the user clicks the defect item to be traced, the ID corresponding to the defect item may be obtained, and the corresponding defect detection image is directly loaded from the memory according to the ID of the defect item and displayed for the user to confirm the defect.
Fig. 3 is a flowchart of a method for confirming a defect of a PCB according to an embodiment of the present invention, and referring to fig. 3, the method for confirming a defect of a PCB may include the following steps:
step S201: and in the process of detecting the defects of the PCB, acquiring a defect detection image, and determining defect item information according to the defect detection image.
Step S202: establishing a corresponding relation between the defect detection image and the defect item type and the defect item identification; and determining a mapping relation between a mechanical coordinate system where the PCB is located and a coordinate system of the program file, and mapping a corresponding relation in the mechanical coordinate system into the program file according to the mapping relation.
Step S203: analyzing the program file to obtain the classification result of the defect item; and displaying the classification result of the defect items in a list mode.
Step S204: receiving a click instruction of a user, and acquiring a defect item ID according to the click instruction; and acquiring a corresponding defect detection image according to the defect item ID, and displaying the acquired defect detection image.
Step S205: the program file is saved in a preset format so as to display the corresponding defect detection image according to the defect item identifier when the program file is re-imported.
It should be understood that although the steps in the flowcharts of fig. 1 and 3 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 1 and 3 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performing the sub-steps or stages is not necessarily sequential, but may be performed alternately or alternately with other steps or at least some of the sub-steps or stages of other steps.
In summary, according to the method for confirming the defect of the PCB of the embodiment of the present invention, in the process of detecting the defect of the PCB, the defect detection image is obtained, the defect item information is determined according to the defect detection image, the defect item information is displayed in a classified manner, and when any defect item is selected in the classified display frame, the defect detection image corresponding to the defect item is displayed. Therefore, the speed of confirming the defects of the PCB can be effectively increased, and the production efficiency is improved.
In one embodiment, a computer-readable storage medium is provided, on which a PCB board defect verification program is stored, which when executed by a processor implements the PCB board defect verification method described above.
According to the computer-readable storage medium of the embodiment of the invention, the PCB defect confirming program is stored on the computer-readable storage medium, and the PCB defect confirming method is realized when the PCB defect confirming program is executed by the processor, so that the PCB defect confirming speed can be effectively increased, and the production efficiency is improved.
Fig. 4 is a block diagram of an automated optical inspection apparatus according to an embodiment of the present invention. Referring to fig. 4, the automatic optical inspection apparatus 300 includes a memory 301, a processor 302, and a PCB defect verification program stored in the memory 301 and executable on the processor 302, wherein the processor 302 implements the above-mentioned PCB defect verification method when executing the PCB defect verification program.
According to the embodiment of the invention, the automatic optical detection equipment comprises a memory, a processor and a PCB defect confirmation program which is stored on the memory and can run on the processor, and when the processor executes the PCB defect confirmation program, the PCB defect confirmation method is realized, so that the confirmation speed of the PCB defects can be effectively improved, and the production efficiency is improved.
Fig. 5 is a block diagram illustrating a structure of a PCB defect confirming apparatus according to an embodiment of the present invention. Referring to fig. 5, the PCB defect verification apparatus 400 includes: an acquisition module 401 and a presentation module 402.
The acquiring module 401 is configured to acquire a defect detection image during a process of detecting a defect of a PCB, and determine defect item information according to the defect detection image; the display module 402 is configured to perform classified display on the defect item information, and display a defect detection image corresponding to a defect item when any defect item is selected in the classified display frame.
In one embodiment, the obtaining module 401 is further configured to: and generating a program file according to the defect detection image and the defect item information, wherein the program file comprises the one-to-one correspondence of the defect item type, the defect item identification and the defect detection image.
In one embodiment, the obtaining module 401 is configured to: establishing a corresponding relation between the defect detection image and the defect item type and the defect item identification, determining a mapping relation between a mechanical coordinate system where the PCB is located and a coordinate system of the program file, and mapping the corresponding relation in the mechanical coordinate system into the program file according to the mapping relation.
In one embodiment, the defect entry types include at least one of an off-center, a drain back drill, a full drain, and a drain via.
In one embodiment, presentation module 402 is to: analyzing the program file to obtain the classification result of the defect item, and displaying the classification result of the defect item by adopting a list mode.
In one embodiment, the presentation module 402 is specifically configured to: and receiving a click instruction of a user, acquiring a defect item identifier according to the click instruction, acquiring a corresponding defect detection image according to the defect item identifier, and displaying the acquired defect detection image.
In one embodiment, the PCB defect verification apparatus 400 further includes a memory module (not shown in the figure) for: the program file is saved in a preset format so as to display the corresponding defect detection image according to the defect item identifier when the program file is re-imported.
It should be noted that, for the description of the apparatus for confirming the defect of the PCB in the present application, please refer to the description of the method for confirming the defect of the PCB in the present application, which is not repeated herein.
According to the PCB defect confirming device provided by the embodiment of the invention, the defect detection image is obtained by the obtaining module in the process of detecting the defects of the PCB, the defect item information is determined according to the defect detection image, the display module is used for carrying out classified display on the defect item information, and the defect detection image corresponding to the defect item is displayed when any defect item is selected in the classified display frame, so that the confirming speed of the defects of the PCB can be effectively improved, and the production efficiency is improved.
It should be noted that the logic and/or steps represented in the flowcharts or otherwise described herein, such as an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A PCB defect confirmation method is characterized by comprising the following steps:
in the process of carrying out defect detection on the PCB, acquiring a defect detection image, and determining defect item information according to the defect detection image;
and classifying and displaying the defect item information, and displaying a defect detection image corresponding to the defect item when any defect item is selected in a classification display frame.
2. The method for confirming defects of a PCB board as claimed in claim 1, wherein before the classified display of the defect item information, the method further comprises:
and generating a program file according to the defect detection image and the defect item information, wherein the program file comprises a one-to-one correspondence relationship between the defect item type, the defect item identifier and the defect detection image.
3. The method for confirming defects of a PCB board as claimed in claim 2, wherein generating a program file according to the defect inspection image and the defect item information comprises:
establishing a corresponding relation between the defect detection image and the defect item type and the defect item identification, determining a mapping relation between a mechanical coordinate system where the PCB is located and a coordinate system of the program file, and mapping the corresponding relation in the mechanical coordinate system into the program file according to the mapping relation.
4. The method of claim 2, wherein the defect item type includes at least one of an off-center, a leaky back drill, a full drain and a leaky through hole.
5. The PCB board defect confirmation method of any one of claims 2-4, wherein the classifying and displaying of the defect item information comprises:
analyzing the program file to obtain a defect item classification result, and displaying the defect item classification result in a list mode.
6. The method for confirming the defect of the PCB as claimed in claim 5, wherein displaying the defect detection image corresponding to the defect item when any defect item is selected in the classification display frame comprises:
and receiving a click instruction of a user, acquiring the defect item identification according to the click instruction, acquiring a corresponding defect detection image according to the defect item identification, and displaying the acquired defect detection image.
7. The PCB board defect confirmation method of any one of claims 2-4, further comprising:
and saving the program file by adopting a preset format so as to display a corresponding defect detection image according to the defect item identifier when the program file is re-imported.
8. A computer-readable storage medium, having a PCB defect confirmation program stored thereon, which when executed by a processor, implements the PCB defect confirmation method according to any one of claims 1 to 7.
9. An automatic optical inspection apparatus, comprising a memory, a processor and a PCB defect verification program stored in the memory and executable on the processor, wherein the processor implements the PCB defect verification method according to any one of claims 1-7 when executing the PCB defect verification program.
10. A defect confirming apparatus for a PCB board, comprising:
the acquisition module is used for acquiring a defect detection image in the process of detecting the defects of the PCB and determining defect item information according to the defect detection image;
and the display module is used for displaying the defect item information in a classified manner and displaying the defect detection image corresponding to the defect item when any defect item is selected in the classified display frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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