Laser film detection system
By designing a laser film detection system, using detection controllers and AI visual detection models, the problem of low efficiency of existing laser film detection methods is solved, and the automation and efficiency of laser film detection is realized.
Patent Information
- Application Number
- CN202411336222.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2044-09-24
AI Technical Summary
The existing laser film detection methods have complicated detection steps and low efficiency, which leads to a lot of time and waste of manpower and material resources in packaging applications with high usage.
A laser film detection system is designed, including a machine, accompaniment and unwinding components, ambient lighting components, video acquisition components and detection controllers. Through the detection controller, intelligent decision-making is made based on the detection requirements of the laser film, and the laser film image information is collected and detected in real time with the AI visual detection model.
It realizes the automation and efficiency of laser film detection, simplifies the detection process, improves the detection accuracy and efficiency, and reduces the waste of manpower and material resources.
Smart Images

Figure CN119223986B_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of laser film detection, and in particular to a laser film detection system. Background Art
[0002] Laser film is a thin film material with special optical properties, usually made by computer dot lithography technology, 3D true color holographic technology, multiple and dynamic imaging technology, etc. It mainly transfers the holographic image with rainbow dynamic and three-dimensional effects to PET, BOPP, PVC or coated substrates through molding, and then uses lamination, hot stamping, transfer and other methods to make the product packaging surface obtain a certain laser effect. Laser film may produce appearance quality defects such as sticking, mosquito prints, incomplete holographic pattern, color difference, black spots, white spots, water marks, wrinkles, cloud flowers, pitting and light column deformation during the production process, so it is necessary to test the laser film.
[0003] The Chinese patent application with the announcement number CN116030019A discloses a laser film defect detection method, device, system and medium, including: obtaining a laser film image to be detected; performing stripe segmentation processing on the laser film image to determine the bright stripe area, dark stripe area and stripe transition area in the laser film image; performing defect detection on the bright stripe area, dark stripe area and stripe transition area according to a preset detection strategy to obtain the defect detection results of each area, and the preset detection strategy is used to determine the defect detection method corresponding to each area; according to the defect detection results of each area, marking and displaying the defect area of the laser film image. This application performs stripe segmentation on the laser film image with light and dark stripes, and performs targeted defect detection on different stripe areas, which can eliminate the influence of uneven illumination on the image and retain the characteristic information of the original image, reduce the misjudgment or missed judgment of defect detection, and effectively improve the accuracy of laser film defect detection. Although the above scheme can realize the detection of laser film defects, the detection steps are complicated and the detection efficiency is very low. For laser films with extremely high usage in packaging, it often takes a lot of time to detect, wasting manpower and material resources.
[0004] Regarding the above-mentioned related technologies, existing laser film inspection often takes a lot of time to carry out inspection, resulting in low inspection efficiency and waste of manpower and material resources. Summary of the invention
[0005] In order to solve the problem that existing laser film detection often takes a lot of time to detect, resulting in low detection efficiency and waste of manpower and material resources, the present application provides a laser film detection system.
[0006] In the first aspect, the present application provides a laser film detection system, which adopts the following technical solutions:
[0007] A laser film detection system, comprising:
[0008] The machine table has a hood installed on the top;
[0009] Two sets of winding and unwinding components are arranged parallel to each other on the machine platform, and are used for winding and unwinding the laser film to be inspected;
[0010] An ambient lighting component is provided in the hood to simulate the lighting conditions required for laser film inspection;
[0011] A video acquisition component is installed in the machine cover and is used to acquire image information of the laser film to be inspected;
[0012] The detection controller is used to generate a detection plan according to the detection requirements of the laser film to be detected, and control the reeling and unreeling component, the ambient lighting component and the video acquisition component to detect the laser film to be detected according to the detection plan.
[0013] Preferably, the reeling and unwinding assembly includes a hydraulic lifting base and a reeling and unwinding component, the reeling and unwinding component is arranged at the lifting end of the hydraulic lifting base, the reeling and unwinding component includes a reeling and unwinding motor and a reeling and unwinding roller, and the output end of the reeling and unwinding motor is transmission-connected to the reeling and unwinding roller.
[0014] Preferably, the ambient lighting assembly includes a multi-color lighting lamp group for simulating the lighting conditions required for laser film detection and a light-transmitting assembly arranged between two groups of reel-and-wind components and located below the laser film to be detected, the light-transmitting assembly includes a lifting drive member arranged in a vertical direction and a light-transmitting lamp with adjustable brightness, and the light-transmitting lamp is installed at the lifting end of the lifting drive member.
[0015] Preferably, the lifting end of the lifting drive member is connected to a rotating lamp holder, a mounting groove for installing a translucent lamp is provided on the top of the rotating lamp holder, electric rotating members for driving the translucent lamp to rotate are provided at both ends of the mounting groove, and the two ends of the translucent lamp are respectively connected to the rotating ends of the two electric rotating members; the translucent lamp is an editable matrix LED lamp.
[0016] Preferably, the generating of the detection plan according to the detection requirement decision of the laser film to be detected specifically comprises the following steps:
[0017] Obtaining basic information of the laser film to be detected, wherein the basic information of the laser film to be detected includes model information, size specification information, pattern information and detection standard information of the laser film, wherein the pattern information of the laser film includes pattern information, position information, size information and detection tilt angle information of at least one laser pattern, wherein the detection tilt angle information includes a detectable tilt angle range and an optimal tilt angle;
[0018] Generate detection requirements of the laser film to be detected based on the basic information of the laser film to be detected, wherein the detection requirements include size detection requirements, defect detection requirements and pattern detection requirements;
[0019] According to the inspection requirements of the laser film to be inspected, a detection scheme is generated by matching a preset scheme matching model. The detection scheme includes at least one pattern acquisition angle, inspection process information and equipment parameter information. The scheme matching model is a machine learning model obtained by iterative training of historical inspection data.
[0020] Preferably, the step of generating the detection requirements of the laser film to be detected based on the basic information of the laser film to be detected specifically includes the following steps:
[0021] Generate size inspection requirements and defect inspection requirements based on the size specification information and inspection standard information of the laser film;
[0022] Based on the pattern information of the laser film, the detectable tilt angle range of each laser pattern on the laser film to be detected is obtained, and the tilt detection angles with the largest number of overlaps are selected in turn through a greedy algorithm to generate several tilt angle detection sets;
[0023] The pattern detection requirements are generated based on a number of tilt angle detection sets, and the pattern detection requirements, size detection requirements and defect detection requirements are packaged to generate the detection requirements of the laser film to be detected.
[0024] Preferably, the method of selecting the tilt detection angles with the largest number of overlaps in sequence through a greedy algorithm to generate several tilt angle detection sets also includes: inputting the model information of the laser film into a preset scheme matching model to determine whether there is a laser pattern whose historical error ratio exceeds a preset ratio threshold; if so, selecting other laser patterns whose detectable tilt angle range includes the best tilt angle of the laser pattern to form a tilt angle detection set.
[0025] Preferably, the method of controlling the reeling and unreeling assembly, the ambient lighting assembly and the video acquisition assembly to detect the laser film to be detected according to the detection scheme specifically includes the following steps:
[0026] The detection controller sends device parameter information to the reel-and-wind assembly, the ambient lighting assembly, and the video acquisition assembly according to the detection scheme to set the parameters, and installs the laser film to be detected on the reel-and-wind assembly;
[0027] Generate control instructions based on the detection process information to control the unwinding and rewinding components, the ambient lighting components, and the video acquisition components to unwind the laser film to be detected under the specified tilt angle and lighting conditions according to the detection process to collect the laser film image information required for detection;
[0028] The collected laser film image information is received in real time through a preset AI visual inspection model to inspect the laser film; the AI visual inspection model is based on the ChatGPT4.0 model and is trained through historical laser film inspection data.
[0029] Preferably, the control of the unwinding and rewinding component, the ambient lighting component and the video acquisition component to unwind and collect the laser film image information required for the detection under the specified tilt angle and lighting conditions according to the detection process specifically includes the following steps:
[0030] Based on the control instructions, the hydraulic lifting bases of the two sets of winding and unwinding components are controlled to rise and fall, and the tilt angle of the unwinding state of the laser film to be tested is adjusted;
[0031] Based on the control instructions, the multi-color lighting group of the ambient lighting assembly adjusts the lighting conditions inside the hood according to the lighting conditions required for laser film detection;
[0032] Based on the control instruction, edit the illumination width of the light-transmitting lamp of the light-transmitting component, control the lifting drive to raise the light-transmitting lamp to below the laser film to be inspected, and control the rotating lamp holder to rotate the light-transmitting lamp to face below the laser film to be inspected;
[0033] Based on the control instructions, the reeling and unreeling components of the two sets of reeling and unreeling components are controlled to cooperate in unreeling the laser film to be inspected, and the video acquisition component is controlled to collect the laser film image information required for inspection in real time.
[0034] Preferably, the control of the unwinding and rewinding components of the two sets of unwinding and rewinding assemblies to cooperate in unwinding the laser film to be inspected also includes: during the unwinding process of the laser film to be inspected, when the laser pattern on the laser film appears in the acquisition area of the video acquisition component, the two sets of unwinding and rewinding components pause for X seconds, wherein the pause duration X is preset by the management personnel.
[0035] In summary, the present application includes at least one of the following beneficial technical effects:
[0036] 1. The detection controller uses the preset solution matching model to generate the detection solution based on the actual detection requirements of the laser film through intelligent decision-making. Based on the historical detection data, it can realize the adaptive adjustment of the detection accuracy and simplify the laser film detection process. While efficiently detecting the laser film, it can also perform high-level detection of important laser patterns and high-incidence points of defects on the laser film, so as to effectively improve the detection efficiency and detection accuracy of the laser film;
[0037] 2. When unwinding the laser film for testing, the height difference between the unwinding laser film and the winding reel can be adjusted in real time through the setting of two sets of winding and unwinding components. Even if the unwinding laser film changes in thickness due to unwinding, the height can be adjusted in real time to ensure that the laser film always maintains an inclination angle that meets the testing requirements during the unwinding process, which helps the video acquisition component to clearly and efficiently collect the image information of the laser film to be tested, thereby effectively improving the efficiency and accuracy of laser film testing;
[0038] 3.According to the pattern information of the laser film, the detectable tilt angle range of each laser pattern on the laser film to be detected is obtained, and then the detectable tilt angle with the highest number of overlaps is selected as much as possible through the greedy algorithm, and the laser pattern containing this detectable tilt angle is packaged to generate the first tilt angle detection set, and the remaining laser patterns are repeatedly selected to obtain several tilt angle detection sets, and then the pattern detection requirements are generated, and the laser patterns are classified for detection, which effectively simplifies the laser film detection process. There is no need to adjust the pattern tilt angle separately when detecting each laser pattern, so as to effectively improve the efficiency of laser film detection. BRIEF DESCRIPTION OF THE DRAWINGS
[0039] Figure 1 It is a structural schematic diagram of a laser film detection system in an embodiment of the present application;
[0040] Figure 2 It is a system block diagram of a laser film detection system in an embodiment of the present application;
[0041] Figure 3 It is a structural schematic diagram of the reeling and unreeling assembly on the machine in the embodiment of the present application;
[0042] Figure 4 is a schematic diagram of the structure of the light-transmitting component in an embodiment of the present application;
[0043] Figure 5 It is a flow chart of a method for generating a detection plan according to the detection requirements of the laser film to be detected in the embodiment of the present application;
[0044] Figure 6 It is a flow chart of a method for obtaining and generating detection requirements of a laser film to be detected in an embodiment of the present application;
[0045] Figure 7 This is a flow chart of a method for detecting a laser film to be detected in an embodiment of the present application;
[0046] Figure 8 It is a flow chart of the method for collecting laser film image information required for detection in the embodiment of the present application.
[0047] Explanation of the accompanying drawings: 1. Machine platform; 2. Machine cover; 3. Reeling and unreeling assembly; 31. Hydraulic lifting base; 32. Reeling and unreeling component; 321. Reeling and unreeling motor; 322. Reeling and unreeling roller; 4. Ambient lighting assembly; 41. Multi-color lighting lamp group; 42. Translucent assembly; 421. Lifting drive component; 422. Translucent lamp; 423. Rotating lamp holder; 424. Mounting slot; 425. Electric rotating component; 5. Video acquisition assembly; 6. Detection controller. DETAILED DESCRIPTION
[0048] The following is combined with Figure 1-Figure 8 This application is described in further detail.
[0049] The present application embodiment discloses a laser film detection system. Figure 1 and Figure 2 A laser film detection system includes a machine 1, two sets of winding and unwinding components 3, an ambient lighting component 4, a video acquisition component 5 and a detection controller 6. A hood 2 is installed on the top of the machine 1. The two sets of winding and unwinding components 3 are arranged on the machine 1 in parallel with each other, and are used to wind and unwind the laser film to be detected. The ambient lighting component 4 is arranged in the machine hood 2, and is used to simulate the lighting conditions required for laser film detection. The video acquisition component 5 is installed in the machine hood 2, and is used to collect image information of the laser film to be detected. The detection controller 6 is used to generate a detection plan according to the detection requirement decision of the laser film to be detected, and control the winding and unwinding component 3, the ambient lighting component 4 and the video acquisition component 5 to detect the laser film to be detected according to the detection plan. The detection controller 6 uses a preset scheme matching model to make intelligent decisions and generate a detection scheme based on the actual detection requirements of the laser film. Based on historical detection data, it can adaptively adjust the detection accuracy and simplify the laser film detection process. While efficiently detecting the laser film, it can also perform high-level detection of important laser patterns and high-incidence points of defects on the laser film, thereby effectively improving the detection efficiency and accuracy of the laser film.
[0050] Reference Figure 3, the reel assembly 3 includes a hydraulic lifting base 31 and a reel component 32. The reel component 32 is arranged at the lifting end of the hydraulic lifting base 31. The reel component 32 includes a reel motor 321 and a reel roller 322, and the output end of the reel motor 321 is connected to the reel roller 322 in a transmission manner. For example, the output end of the reel motor 321 and the reel roller 322 are coaxially rigidly connected, or connected by gears, or connected by belts. When the laser film is unrolled for inspection, the height difference between the unrolled laser film and the reel for winding can be adjusted in real time through the setting of the two sets of reel assemblies 3. Even if the unrolled laser film changes due to the unrolling thickness, the height can be adjusted in real time to ensure that the laser film always maintains an inclination angle that meets the inspection requirements during the unrolling process, which helps the video acquisition component 5 to clearly and efficiently collect the image information of the laser film to be inspected, thereby effectively improving the inspection efficiency and accuracy of the laser film.
[0051] Reference Figure 2-Figure 4 , the environmental lighting component 4 includes a multicolor lighting lamp group 41 for simulating the lighting conditions required for laser film detection and a light-transmitting component 42 arranged between the two groups of winding and unwinding components 3 and located below the laser film to be detected. The specific structure of the multicolor lighting lamp group 41 that needs to be explained is the prior art and will not be repeated here. The light-transmitting component 42 includes a lifting drive 421 arranged in the vertical direction and a light-transmitting lamp 422 with adjustable brightness, the light-transmitting lamp 422 is installed at the lifting end of the lifting drive 421, and the light-transmitting lamp 422 is an editable matrix LED lamp. Through the setting of the multicolor lighting lamp group 41, the lighting environment inside the hood 2 can be adjusted to simulate the natural lighting environment and other lighting environments that trigger the laser pattern on the laser film, which is helpful to achieve accurate and efficient detection of the laser film. Through the setting of the light-transmitting component 42, the height of the light-transmitting lamp 422 is adjusted by the lifting drive 421, so that the light-transmitting lamp 422 maintains a good irradiation distance with the laser film, so as to effectively detect the light-transmitting point of the laser film.
[0052] Reference Figure 4 , the lifting end of the lifting drive member 421 is connected with a rotating lamp holder 423. A mounting groove 424 for mounting the translucent lamp 422 is provided at the top of the rotating lamp holder 423, and both ends of the mounting groove 424 are provided with electric rotating members 425 for driving the translucent lamp 422 to rotate, and both ends of the translucent lamp 422 are respectively connected with the rotating ends of the two electric rotating members 425. The electric rotating member 425 can be a motor, and the motor output shaft is connected to the translucent lamp 422, or it can be an electric turntable, and the rotating output end of the electric turntable is connected to the translucent lamp 422, or it can be other components that can drive the translucent lamp 422 to rotate in the mounting groove 424. By setting the rotating lamp holder 423 and the electric rotating member 425, the direction of the translucent lamp 422 can be adjusted in real time according to the inclination angle of the laser film, ensuring that the translucent points of the laser film can be synchronously and efficiently and accurately detected during the appearance inspection process.
[0053] Reference Figure 5 The above-mentioned generation of a detection plan based on the detection requirements of the laser film to be detected specifically includes the following steps:
[0054] A1. Obtain basic information of the laser film to be tested, wherein the basic information of the laser film to be tested includes model information, size specification information, pattern information and testing standard information of the laser film, wherein the pattern information of the laser film includes pattern information, position information, size information and testing tilt angle information of at least one laser pattern, wherein the testing tilt angle information includes a detectable tilt angle range and an optimal tilt angle;
[0055] A2. Generate detection requirements of the laser film to be detected: Generate detection requirements of the laser film to be detected based on the basic information of the laser film to be detected, and the detection requirements include size detection requirements, defect detection requirements and pattern detection requirements;
[0056] A3. Matching and generating detection scheme: Generate a detection scheme through matching of a preset scheme matching model according to the detection requirements of the laser film to be detected. The detection scheme includes at least one pattern acquisition angle, detection process information and equipment parameter information. The scheme matching model is a machine learning model obtained by iterative training of historical detection data. It should be noted that the specific training steps of the machine learning model are prior art and will not be repeated here. Through the above steps, the detection requirements are generated according to the basic information of the laser film to be detected, and then the detection scheme is customized and generated through the scheme matching model to realize the automated detection of laser films, taking into account both detection efficiency and detection accuracy. Based on historical detection data, the detection accuracy can be adaptively adjusted to simplify the laser film detection process, so as to effectively improve the detection efficiency and detection accuracy of laser films.
[0057] Reference Figure 6 The above-mentioned generation of the detection requirements of the laser film to be detected based on the basic information of the laser film to be detected specifically includes the following steps:
[0058] B1. Generate size detection requirements and defect detection requirements: Generate size detection requirements and defect detection requirements based on the size specification information and detection standard information of the laser film;
[0059] B2. Generate several tilt angle detection sets: Based on the pattern information of the laser film, obtain the detectable tilt angle range of each laser pattern on the laser film to be detected, and select the tilt detection angles with the largest number of overlaps in turn through a greedy algorithm to generate several tilt angle detection sets;
[0060] B3. Generate inspection requirements in packages: Generate pattern inspection requirements based on several tilt angle inspection sets, and package the pattern inspection requirements, size inspection requirements, and defect inspection requirements to generate inspection requirements for the laser film to be inspected. Through the above steps, the detectable tilt angle range of each laser pattern on the laser film to be inspected is obtained according to the pattern information of the laser film, and then the detectable tilt angle with the highest number of overlaps is selected as much as possible through the greedy algorithm, and the laser pattern containing this detectable tilt angle is packaged to generate the first tilt angle detection set, and the remaining laser patterns are repeatedly selected to obtain several tilt angle detection sets, and then the pattern detection requirements are generated, and the laser patterns are classified for inspection, which effectively simplifies the laser film inspection process. There is no need to adjust the pattern tilt angle separately when inspecting each laser pattern, so as to effectively improve the efficiency of laser film inspection.
[0061] Among them, the above-mentioned method of selecting the tilt detection angles with the largest number of overlaps in turn through a greedy algorithm to generate several tilt angle detection sets also includes: inputting the model information of the laser film into a preset scheme matching model to determine whether there is a laser pattern whose historical error number ratio exceeds a preset ratio threshold; if so, selecting other laser patterns whose detectable tilt angle range includes the best tilt angle of the laser pattern to form a tilt angle detection set.
[0062] Reference Figure 7 The above-mentioned control of the reeling and unreeling component 3, the ambient lighting component 4 and the video acquisition component 5 to detect the laser film to be detected according to the detection scheme specifically includes the following steps:
[0063] C1. Parameter setting: The detection controller 6 sends device parameter information to the reeling and unreeling component 3, the ambient lighting component 4 and the video acquisition component 5 according to the detection scheme to set the parameters, and installs the laser film to be detected on the reeling and unreeling component 3;
[0064] C2. Collecting laser film image information: Generate control instructions according to the detection process information to control the reeling and unreeling component 3, the ambient lighting component 4 and the video acquisition component 5 to unreel the laser film to be detected under the specified tilt angle and lighting conditions according to the detection process to collect the laser film image information required for detection;
[0065] C3. Detection of laser film: The collected laser film image information is received in real time through the pre-set AI visual detection model, and the laser film is detected; the AI visual detection model is based on the ChatGPT4.0 model and is trained through the historical detection data of the laser film. Through the above steps, the detection controller 6 realizes the automation of laser film detection according to the detection scheme, classifies and aggregates the laser patterns on the laser film based on the greedy algorithm, simplifies the detection process, realizes high-speed detection of non-patterned areas, and classifies and accurately detects patterned areas, avoiding the time-consuming and labor-intensive phenomenon of adjusting the pattern inclination angle separately when detecting each laser pattern, taking into account the detection accuracy and detection efficiency, and achieving the effect of effectively improving the detection efficiency and detection accuracy of the laser film.
[0066] By setting up the AI visual inspection model and based on the powerful image recognition capabilities of the ChatGPT4.0 model, the sample training process is simplified and the interference of the reflective stripes of the laser film is ignored. This allows the appearance defects on the laser film to be accurately identified during the high-speed unwinding inspection process, saving manpower and material resources.
[0067] Reference Figure 8 The above-mentioned control of the unwinding and rewinding component 3, the ambient lighting component 4 and the video acquisition component 5 to unwind and collect the laser film image information required for the detection under the specified tilt angle and lighting conditions according to the detection process specifically includes the following steps:
[0068] D1. Adjust the tilt angle of the laser film: Based on the control instruction, control the hydraulic lifting base 31 of the two sets of winding and unwinding components 3 to rise and fall, and adjust the tilt angle of the unwinding state of the laser film to be detected;
[0069] D2. Adjusting the lighting conditions in the hood 2: Based on the control instruction, the multicolor lighting lamp group 41 of the ambient lighting assembly 4 adjusts the lighting conditions in the hood 2 according to the lighting conditions required for laser film detection;
[0070] D3, light transmission: based on the control command, edit the light width of the light-transmitting lamp 422 of the light-transmitting component 42, control the lifting drive 421 to lift the light-transmitting lamp 422 to below the laser film to be detected, and control the rotating lamp holder 423 to rotate the light-transmitting lamp 422 to face below the laser film to be detected;
[0071] D4. Real-time collection of laser film image information: Based on the control instructions, the reeling and unwinding components 32 of the two groups of reeling and unwinding components 3 are controlled to cooperate in unwinding the laser film to be detected, and the video acquisition component 5 is controlled to collect the laser film image information required for detection in real time. Among them, during the unwinding process of the laser film to be detected, when the laser pattern on the laser film appears in the acquisition area of the video acquisition component 5, the two groups of reeling and unwinding components 32 pause for X seconds, where the pause duration X is preset by the management personnel. Through the above steps, according to the detection scheme, the automatic detection of the laser film is realized, and the laser patterns of various display angles on the laser film are efficiently and clearly captured, the detection process is simplified, and high-speed detection is achieved for the area without patterns. The area with patterns is classified and accurately detected, and there is no need to adjust the pattern inclination angle separately when detecting each laser pattern. While saving manpower and material resources, it helps the AI visual detection model to perform efficient and high-precision detection of the laser film, so as to effectively improve the detection efficiency and detection accuracy of the laser film.
[0072] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also belong to the scope of protection of the present invention.
Claims
1. A laser film detection system, characterized in that: include: A machine platform (1) with a cover (2) installed on the top; Two sets of winding and unwinding components (3) are arranged parallel to each other on the machine platform (1) and are used for winding and unwinding the laser film to be inspected; An ambient lighting component (4) is disposed in the hood (2) and is used to simulate the lighting conditions required for laser film detection; A video acquisition component (5) is installed in the machine cover (2) and is used to acquire image information of the laser film to be detected; A detection controller (6) is used to generate a detection plan according to the detection requirements of the laser film to be detected, and control the reeling and unreeling component (3), the ambient lighting component (4) and the video acquisition component (5) to detect the laser film to be detected according to the detection plan; The generation of a detection plan according to the detection requirements of the laser film to be detected specifically includes the following steps: Obtaining basic information of the laser film to be detected, wherein the basic information of the laser film to be detected includes model information, size specification information, pattern information and detection standard information of the laser film, wherein the pattern information of the laser film includes pattern information, position information, size information and detection tilt angle information of at least one laser pattern, wherein the detection tilt angle information includes a detectable tilt angle range and an optimal tilt angle; Generate detection requirements of the laser film to be detected based on the basic information of the laser film to be detected, wherein the detection requirements include size detection requirements, defect detection requirements and pattern detection requirements; Generate a detection scheme through matching with a preset scheme matching model according to the detection requirements of the laser film to be detected, wherein the detection scheme includes at least one pattern acquisition angle, detection process information and equipment parameter information, and the scheme matching model is a machine learning model obtained by iterative training of historical detection data; The method of generating the detection requirements of the laser film to be detected based on the basic information of the laser film to be detected specifically includes the following steps: Generate size inspection requirements and defect inspection requirements based on the size specification information and inspection standard information of the laser film; Based on the pattern information of the laser film, the detectable tilt angle range of each laser pattern on the laser film to be detected is obtained, and the tilt detection angles with the largest number of overlaps are selected in turn through a greedy algorithm to generate several tilt angle detection sets; Generate pattern detection requirements based on a number of tilt angle detection sets, and package the pattern detection requirements, size detection requirements and defect detection requirements to generate detection requirements for the laser film to be detected; The method of controlling the reeling and unreeling component (3), the ambient lighting component (4) and the video acquisition component (5) to detect the laser film to be detected according to the detection scheme specifically includes the following steps: The detection controller (6) sends device parameter information to the reel-and-wind assembly (3), the ambient lighting assembly (4) and the video acquisition assembly (5) according to the detection scheme to set parameters, and installs the laser film to be detected on the reel-and-wind assembly (3); Generate control instructions according to the detection process information, control the reeling and unreeling component (3), the ambient lighting component (4) and the video acquisition component (5) to unreel the laser film to be detected under the specified tilt angle and lighting conditions according to the detection process and collect the laser film image information required for detection; The collected laser film image information is received in real time through a preset AI visual inspection model to inspect the laser film; the AI visual inspection model is based on the ChatGPT4.0 model and is trained through historical laser film inspection data; The control of the unwinding and rewinding component (3), the ambient lighting component (4) and the video acquisition component (5) to unwind the laser film to be inspected under the specified tilt angle and lighting conditions according to the inspection process specifically includes the following steps: Based on the control instructions, the hydraulic lifting bases (31) of the two groups of winding and unwinding components (3) are controlled to rise and fall, and the tilt angle of the unwinding state of the laser film to be detected is adjusted; Based on the control instruction, the multicolor lighting lamp group (41) of the ambient lighting component (4) adjusts the lighting conditions inside the hood (2) according to the lighting conditions required for laser film detection; Based on the control instruction, the illumination width of the light-transmitting lamp (422) of the light-transmitting component (42) is edited, the lifting driving member (421) is controlled to lift the light-transmitting lamp (422) to below the laser film to be detected, and the rotating lamp holder (423) is controlled to rotate the light-transmitting lamp (422) to face below the laser film to be detected; Based on the control instructions, the reeling and unreeling components (32) of the two sets of reeling and unreeling components (3) are controlled to cooperate in unreeling the laser film to be inspected, and the video acquisition component (5) is controlled to acquire the laser film image information required for inspection in real time.
2. A laser film detection system according to claim 1, characterized in that: The reeling and unwinding assembly (3) comprises a hydraulic lifting base (31) and a reeling and unwinding component (32), wherein the reeling and unwinding component (32) is arranged at the lifting end of the hydraulic lifting base (31), and the reeling and unwinding component (32) comprises a reeling and unwinding motor (321) and a reeling and unwinding roller (322), wherein the output end of the reeling and unwinding motor (321) is transmission-connected to the reeling and unwinding roller (322).
3. A laser film detection system according to claim 2, characterized in that: The ambient lighting assembly (4) comprises a multicolor lighting lamp group (41) for simulating the lighting conditions required for laser film detection and a light-transmitting assembly (42) arranged between two groups of winding and unwinding assemblies (3) and located below the laser film to be detected. The light-transmitting assembly (42) comprises a lifting drive member (421) arranged in the vertical direction and a light-transmitting lamp (422) with adjustable brightness. The light-transmitting lamp (422) is installed at the lifting end of the lifting drive member (421).
4. The laser film detection system according to claim 3, characterized in that: The lifting end of the lifting driving member (421) is connected to a rotating lamp holder (423); a mounting groove (424) for mounting a translucent lamp (422) is provided on the top of the rotating lamp holder (423); electric rotating members (425) for driving the translucent lamp (422) to rotate are provided at both ends of the mounting groove (424); and the two ends of the translucent lamp (422) are respectively connected to the rotating ends of two electric rotating members (425); the translucent lamp (422) is an editable matrix LED lamp.
5. The laser film detection system according to claim 1, characterized in that: The method of generating several tilt angle detection sets by selecting the tilt detection angles with the largest number of overlaps in turn through a greedy algorithm also includes: inputting the model information of the laser film into a preset scheme matching model to determine whether there is a laser pattern whose historical error ratio exceeds a preset ratio threshold; if so, selecting other laser patterns whose detectable tilt angle range includes the best tilt angle of the laser pattern to form a tilt angle detection set.
6. The laser film detection system according to claim 1, characterized in that: The control of the reeling and unwinding components (32) of the two reeling and unwinding components (3) to cooperate in unwinding the laser film to be detected also includes: during the unwinding process of the laser film to be detected, when the laser pattern on the laser film appears in the acquisition area of the video acquisition component (5), the two reeling and unwinding components (32) pause for X seconds, wherein the pause duration X is preset by the management personnel.
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