CN119223986A - Laser film detection system - Google Patents
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- CN119223986A CN119223986A CN202411336222.0A CN202411336222A CN119223986A CN 119223986 A CN119223986 A CN 119223986A CN 202411336222 A CN202411336222 A CN 202411336222A CN 119223986 A CN119223986 A CN 119223986A
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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
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8901—Optical details; Scanning details
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
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Abstract
本申请涉及一种镭射膜检测系统，其包括机台、两组收放卷组件、环境光照组件、视频采集组件和检测控制器；机台顶部安装有机罩；两组收放卷组件相互平行设置在机台上，用于收卷以及放卷待检测镭射膜；环境光照组件设置在机罩内，用于模拟镭射膜检测所需的光照条件；视频采集组件安装在机罩内，用于采集待检测镭射膜的图像信息；检测控制器用于根据待检测镭射膜的检测需求决策生成检测方案，根据检测方案控制收放卷组件、环境光照组件以及视频采集组件对待检测镭射膜进行检测。本申请具有有效提高镭射膜检测效率以及检测精度的效果。
The present application relates to a laser film detection system, which includes a machine, two sets of winding and unwinding components, an ambient lighting component, a video acquisition component and a detection controller; a machine cover is installed on the top of the machine; two sets of winding and unwinding components are arranged on the machine in parallel with each other, for winding and unwinding the laser film to be detected; the ambient lighting component is arranged in the machine cover, for simulating the lighting conditions required for laser film detection; the video acquisition component is installed in the machine cover, for collecting image information of the laser film to be detected; the detection controller is used to generate a detection plan according to the detection demand decision of the laser film to be detected, and control the winding and unwinding components, the ambient lighting components and the video acquisition components to detect the laser film to be detected according to the detection plan. The present application has the effect of effectively improving the detection efficiency and detection accuracy of laser films.
Description
Technical Field
The application relates to the field of laser film detection, in particular to a laser film detection system.
Background
The laser film is a film material with special optical performance, and is usually manufactured by adopting a computer lattice photoetching technology, a 3D true color holographic technology, a multiple and dynamic imaging technology and the like. The holographic image with rainbow dynamic and three-dimensional effect is transferred to PET, BOPP, PVC or a base material with coating by mould pressing, and then the surface of the commodity package is subjected to certain laser effect by means of compounding, thermoprinting, transferring and the like. The laser film may have appearance quality defects such as sticking, mosquito-repellent printing, holographic pattern defect, chromatic aberration, black spots, white spots, water lines, wrinkles, clouds, pits, and light beam deformation during the production process, so that the laser film needs to be detected.
The Chinese patent application with the publication number of CN116030019A discloses a laser film flaw detection method, device, system and medium, which comprises the steps of obtaining a laser film image to be detected, carrying out stripe segmentation processing on the laser film image, determining a bright stripe region, a dark stripe region and a stripe transition region in the laser film image, carrying out flaw detection on the bright stripe region, the dark stripe region and the stripe transition region according to a preset detection strategy to obtain flaw detection results of all regions, wherein the preset detection strategy is used for determining flaw detection modes corresponding to all regions, and marking and displaying flaw regions of the laser film image according to the flaw detection results of all regions. According to the application, the laser film image with the bright-dark alternate stripes is subjected to stripe segmentation, and targeted flaw detection is respectively carried out on different stripe areas, so that the influence of uneven illumination on the image can be eliminated, the characteristic information of an original image is reserved, misjudgment or missed judgment of flaw detection is reduced, and the accuracy of flaw detection of the laser film is effectively improved. Through the scheme, the flaw detection of the laser film can be realized, but the detection steps are complicated, the detection efficiency is very low, and a great deal of time is required to be consumed for detecting the laser film with extremely high consumption for packaging purposes, so that manpower and material resources are wasted.
Aiming at the related technology, the existing laser film detection needs to consume a great deal of time for detection, so that the detection efficiency is low, and manpower and material resources are wasted.
Disclosure of Invention
The application provides a laser film detection system, which aims to solve the problems that the existing laser film detection usually needs to consume a large amount of time for detection, so that the detection efficiency is low and manpower and material resources are wasted.
In a first aspect, the present application provides a laser film detection system, which adopts the following technical scheme:
A laser film inspection system, comprising:
the top of the machine table is provided with a hood;
The two groups of winding and unwinding assemblies are arranged on the machine platform in parallel and are used for winding and unwinding the laser film to be detected;
the environment illumination assembly is arranged in the hood and used for simulating illumination conditions required by laser film detection;
The video acquisition component is arranged in the hood and is used for acquiring image information of the laser film to be detected;
The detection controller is used for deciding to generate a detection scheme according to the detection requirement of the laser film to be detected, and controlling the winding and unwinding assembly, the ambient light assembly and the video acquisition assembly to detect the laser film to be detected according to the detection scheme.
Preferably, the winding and unwinding assembly comprises a hydraulic lifting base and a winding and unwinding component, the winding and unwinding component is arranged at the lifting end of the hydraulic lifting base, the winding and unwinding component comprises a winding and unwinding motor and a winding and unwinding roller, and the output end of the winding and unwinding motor is in transmission connection with the winding and unwinding roller.
Preferably, the environment illumination assembly comprises a multicolor illumination lamp group for simulating illumination conditions required by laser film detection and a light transmission assembly arranged between the two winding and unwinding assemblies and positioned below the laser film to be detected, the light transmission assembly comprises a lifting driving piece and a light transmission lamp with adjustable brightness, the lifting driving piece is arranged along the vertical direction, and the light transmission lamp is arranged at the lifting end of the lifting driving piece.
Preferably, the lifting end of the lifting driving piece is connected with a rotary lamp holder, the top of the rotary lamp holder is provided with a mounting groove for mounting a light-transmitting lamp, two ends of the mounting groove are respectively provided with an electric rotating piece for driving the light-transmitting lamp to rotate, two ends of the light-transmitting lamp are respectively connected with the rotating ends of the two electric rotating pieces, and the light-transmitting lamp is an editable matrix LED lamp.
Preferably, the decision-making detection scheme according to the detection requirement of the laser film to be detected specifically includes the following steps:
Basic information of a laser film to be detected is obtained, wherein the basic information of the laser film to be detected comprises model information, dimension specification information, pattern information and detection standard information of the laser film, the pattern information of the laser film comprises pattern information, position information, dimension information and detection inclination angle information of at least one laser pattern, and the detection inclination angle information comprises a detectable inclination angle range and an optimal inclination angle;
generating detection requirements of the laser film to be detected based on basic information of the laser film to be detected, wherein the detection requirements comprise size detection requirements, flaw detection requirements and pattern detection requirements;
and generating a detection scheme by matching a preset scheme matching model according to the detection requirement of the laser film to be detected, wherein the detection scheme comprises at least one pattern acquisition angle, detection flow information and equipment parameter information, and the scheme matching model is obtained by iterative training of historical detection data for a machine learning model.
Preferably, the generating the detection requirement of the laser film to be detected based on the basic information of the laser film to be detected specifically includes the following steps:
Generating a size detection requirement and a flaw detection requirement based on the size specification information and the detection standard information of the laser film;
obtaining the detectable inclination angle range of each laser pattern on the laser film to be detected based on the pattern information of the laser film, sequentially selecting the inclination detection angle with the largest overlapping times through a greedy algorithm, and generating a plurality of inclination angle detection sets;
and summarizing and generating pattern detection requirements according to the plurality of inclination angle detection sets, and packaging the pattern detection requirements, the size detection requirements and the flaw detection requirements to generate detection requirements of the laser film to be detected.
Preferably, the step of sequentially selecting the inclination detection angles with the largest overlapping times through a greedy algorithm to generate a plurality of inclination angle detection sets further comprises the steps of inputting model information of the laser film into a preset scheme matching model to judge whether laser patterns with the historical error quantity occupation ratio exceeding a preset occupation ratio threshold value exist, and selecting other laser patterns with the optimal inclination angles including the laser patterns in the detectable inclination angle range to form the inclination angle detection sets if the laser patterns exist.
Preferably, the step of controlling the winding and unwinding assembly, the ambient light assembly and the video acquisition assembly to detect the laser film to be detected according to the detection scheme specifically comprises the following steps:
The detection controller issues equipment parameter information to the winding and unwinding assembly, the environment illumination assembly and the video acquisition assembly according to a detection scheme to perform parameter setting, and the laser film to be detected is installed on the winding and unwinding assembly;
Generating a control instruction according to the detection flow information, and controlling the winding and unwinding assembly, the environment illumination assembly and the video acquisition assembly to perform winding and acquisition on the laser film to be detected under the specified inclination angle and illumination condition according to the detection flow;
and the AI visual detection model is obtained by training historical detection data of the laser film based on the ChatGPT4.0 model.
Preferably, the method comprises the steps of, the laser film image information required by unreeling, collecting and detecting the laser film to be detected under the specified inclination angle and illumination conditions by controlling the unreeling component, the environment illumination component and the video collecting component specifically comprises the following steps:
Based on the control instruction, controlling the hydraulic lifting bases of the two groups of winding and unwinding assemblies to lift and adjusting the inclination angle of the unwinding state of the laser film to be detected;
Based on the control instruction, the multicolor illumination lamp group of the environment illumination assembly adjusts the illumination condition in the hood according to the illumination condition required by the laser film detection;
based on the control instruction, editing the illumination width of the light-transmitting lamp of the light-transmitting component, controlling the lifting driving piece to lift the light-transmitting lamp to the position below the laser film to be detected, and controlling the rotary lamp holder to rotate the light-transmitting lamp to enable the light-transmitting lamp to face the position below the laser film to be detected;
Based on the control instruction, the winding and unwinding components of the two groups of winding and unwinding components are controlled to be matched with the laser film to be detected for unwinding, and the video acquisition component is controlled to acquire the laser film image information required by detection in real time.
Preferably, the controlling the winding and unwinding components of the two groups of winding and unwinding components to be matched with the laser film to be detected further comprises stopping the two groups of winding and unwinding components for X seconds when the laser pattern on the laser film appears in the acquisition area of the video acquisition component in the process of unwinding the laser film to be detected, wherein the stopping time length X is preset by a manager.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The detection controller generates a detection scheme according to the actual detection requirement of the laser film through a preset scheme matching model, and based on historical detection data, the detection controller realizes self-adaptive adjustment of detection precision, simplifies the detection flow of the laser film, and can also perform high-level detection on important laser patterns and high-incidence points of flaws on the laser film while performing high-efficiency detection on the laser film, thereby achieving the effect of effectively improving the detection efficiency and detection precision of the laser film;
2. When the unreeling laser film is detected, through the arrangement of the two groups of reeling and unreeling assemblies, the height difference between the unreeling laser film and the reeling shaft for reeling can be adjusted in real time, even if the unreeling laser film changes due to the unreeling thickness, the height can be adjusted in real time, the inclined angle which meets the detection requirement is ensured to be always kept in the unreeling process of the laser film, the video acquisition assembly is facilitated to clearly and efficiently acquire the image information of the laser film to be detected, and the effect of effectively improving the detection efficiency and the detection precision of the laser film is achieved;
3. according to the pattern information of the laser film, the detectable inclination angle range of each laser pattern on the laser film to be detected is obtained, the detectable inclination angle with the highest coincidence quantity is selected as much as possible through a greedy algorithm, the laser patterns containing the detectable inclination angle are packed to generate a first inclination angle detection set, the rest laser patterns are repeatedly selected to obtain a plurality of inclination angle detection sets, pattern detection requirements are further generated, classified detection is realized on the laser patterns, the laser film detection flow is effectively simplified, the pattern inclination angles are not required to be independently adjusted when each laser pattern is detected, and the effect of effectively improving the laser film detection efficiency is achieved.
Drawings
FIG. 1 is a schematic diagram of a laser film inspection system according to an embodiment of the present application;
FIG. 2 is a system block diagram of a laser film inspection system in accordance with an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a winding and unwinding assembly on a machine according to an embodiment of the present application;
FIG. 4 is a schematic view of a light transmissive component according to an embodiment of the present application;
FIG. 5 is a flow chart of a method for generating a detection scheme according to a detection requirement decision of a laser film to be detected in an embodiment of the application;
FIG. 6 is a flow chart of a method for obtaining a detection requirement for generating a laser film to be detected in an embodiment of the application;
FIG. 7 is a flow chart of a method for inspecting a laser film to be inspected in an embodiment of the application;
FIG. 8 is a flow chart of a method for acquiring laser film image information required for detection in an embodiment of the application.
The device comprises a machine table, a machine cover, a winding and unwinding assembly, a hydraulic lifting base, a winding and unwinding component, a winding and unwinding motor, a winding and unwinding roller, an environment illumination assembly, a multicolor illumination lamp set, a light transmission assembly, a 421 lifting driving piece, a 422, a light transmission lamp, a 423, a rotary lamp holder, a 424, an installation groove, a 425, an electric rotating piece, a 5, a video acquisition assembly and a 6, and a detection controller.
Detailed Description
The present application is described in further detail below with reference to fig. 1-8.
The embodiment of the application discloses a laser film detection system. Referring to fig. 1 and 2, a laser film detection system includes a machine 1, two sets of winding and unwinding assemblies 3, an ambient light assembly 4, a video acquisition assembly 5, and a detection controller 6. The top of the machine table 1 is provided with a hood 2. The two groups of winding and unwinding assemblies 3 are arranged on the machine table 1 in parallel and are used for winding and unwinding the laser film to be detected. The environment illumination component 4 is arranged in the hood 2 and is used for simulating illumination conditions required by laser film detection. The video acquisition component 5 is arranged in the hood 2 and is used for acquiring image information of the laser film to be detected. The detection controller 6 is used for deciding to generate a detection scheme according to the detection requirement of the laser film to be detected, and controlling the winding and unwinding assembly 3, the ambient light assembly 4 and the video acquisition assembly 5 to detect the laser film to be detected according to the detection scheme. The detection controller 6 generates a detection scheme according to the actual detection requirement of the laser film through a preset scheme matching model, and based on historical detection data, the detection controller can realize self-adaptive adjustment of detection precision, simplifies the detection flow of the laser film, can perform high-level detection on important laser patterns and high-incidence points of flaws on the laser film while performing high-efficiency detection on the laser film, and achieves the effect of effectively improving the detection efficiency and the detection precision of the laser film.
Referring to fig. 3, the unreeling assembly 3 includes a hydraulic lifting base 31 and a unreeling member 32. The winding and unwinding member 32 is provided at the lifting end of the hydraulic lifting base 31. The winding and unwinding component 32 comprises a winding and unwinding motor 321 and a winding and unwinding roller 322, and the output end of the winding and unwinding motor 321 is in transmission connection with the winding and unwinding roller 322. For example, the output end of the winding and unwinding motor 321 is coaxially and rigidly connected with the winding and unwinding roller 322, and also can be connected through gears or belts. When unreeling laser film detects, through the setting of two sets of receipts unreels subassembly 3, can real-time adjustment carry out the laser film of unreeling and carry out the difference in height of spool of rolling, even the laser film of unreeling is because of unreeling thickness variation, also can realize real-time adjustment height, ensure that laser film remains the inclination who accords with the detection demand throughout the unreeling in-process, help the clear high-efficient collection of video acquisition subassembly 5 to wait to detect laser film image information, reach the effect that effectively improves laser film detection efficiency and detection precision.
Referring to fig. 2-4, the ambient light assembly 4 includes a multi-color light lamp set 41 for simulating the light conditions required for laser film inspection and a light transmitting assembly 42 disposed between the two sets of unwind and unwind assemblies 3 and below the laser film to be inspected. The specific construction of the multi-color illumination lamp set 41 is known in the art, and will not be described herein. The light transmission assembly 42 comprises a lifting driving piece 421 and a light transmission lamp 422 with adjustable brightness, wherein the lifting driving piece 421 is arranged along the vertical direction, the light transmission lamp 422 is arranged at the lifting end of the lifting driving piece 421, and the light transmission lamp 422 is an editable matrix type LED lamp. Through the setting of polychromatic illumination banks 41, can adjust the illumination environment in the aircraft bonnet 2, simulate natural illumination environment and other trigger the dominant illumination environment of laser pattern on the laser film, help realizing accurate high-efficient detection to the laser film. Through the setting of printing opacity subassembly 42, adjust printing opacity lamp 422 height through lift driving piece 421 for printing opacity lamp 422 keeps good irradiation distance with the laser film, makes the light transmission point of effectively detecting the laser film.
Referring to fig. 4, a rotation lamp holder 423 is connected to a lifting end of the lifting driving member 421. The mounting groove 424 that is used for installing printing opacity lamp 422 has been seted up at rotatory lamp stand 423 top, the mounting groove 424 both ends all are provided with the electronic rotating member 425 that is used for driving printing opacity lamp 422 pivoted, printing opacity lamp 422 both ends are connected with the rotation end of two electronic rotating members 425 respectively. The electric rotating member 425 may be a motor, an output shaft of the motor is connected with the light-transmitting lamp 422, or may be an electric turntable, and a rotating output end of the electric turntable and the light-transmitting lamp 422 may be other components capable of driving the light-transmitting lamp 422 to rotate in the mounting groove 424. Through the setting of rotatory lamp stand 423 and electronic rotating member 425, can be according to the orientation of laser film's inclination real-time adjustment printing opacity lamp 422, ensure can be in the synchronous high-efficient accurate detection of the printing opacity point to the laser film of carrying out outward appearance testing process.
Referring to fig. 5, the above-mentioned decision generation detection scheme according to the detection requirement of the laser film to be detected specifically includes the following steps:
A1, obtaining basic information of a laser film to be detected, wherein the basic information of the laser film to be detected comprises model information, dimension specification information, pattern information and detection standard information of the laser film, the pattern information of the laser film comprises pattern information, position information, dimension information and detection inclination angle information of at least one laser pattern, and the detection inclination angle information comprises a detectable inclination angle range and an optimal inclination angle;
a2, generating detection requirements of the laser film to be detected, wherein the detection requirements comprise size detection requirements, flaw detection requirements and pattern detection requirements based on basic information of the laser film to be detected;
And A3, matching to generate a detection scheme, namely matching and generating the detection scheme through a preset scheme matching model according to the detection requirement of the laser film to be detected, wherein the detection scheme comprises at least one pattern acquisition angle, detection flow information and equipment parameter information, and the scheme matching model is obtained by iterative training of historical detection data for a machine learning model. It should be noted that the specific training steps of the machine learning model are related art, and are not described herein. Through the steps, the detection requirements are generated according to the basic information of the laser film to be detected, the detection scheme is generated through scheme matching model customization, automatic detection of the laser film is achieved, detection efficiency and detection precision are considered, self-adaptive adjustment of the detection precision is achieved based on historical detection data, the laser film detection flow is simplified, and the effect of effectively improving the laser film detection efficiency and the detection precision is achieved.
Referring to fig. 6, the above-mentioned generation of the detection requirement of the laser film to be detected based on the basic information of the laser film to be detected specifically includes the following steps:
b1, generating a size detection requirement and a flaw detection requirement, wherein the size detection requirement and the flaw detection requirement are generated based on the size specification information and the detection standard information of the laser film;
B2, generating a plurality of inclination angle detection sets, namely acquiring the detectable inclination angle range of each laser pattern on the laser film to be detected based on the pattern information of the laser film, sequentially selecting the inclination detection angle with the largest overlapping times through a greedy algorithm, and generating a plurality of inclination angle detection sets;
And B3, packaging to generate a detection requirement, namely summarizing and generating a pattern detection requirement according to a plurality of inclined angle detection sets, and packaging the pattern detection requirement, the size detection requirement and the flaw detection requirement to generate a detection requirement of the laser film to be detected. Through the steps, the detectable inclination angle range of each laser pattern on the laser film to be detected is obtained according to the pattern information of the laser film, the detectable inclination angle with the highest coincidence quantity is selected as much as possible through a greedy algorithm, the laser patterns containing the detectable inclination angle are packed to generate a first inclination angle detection set, the rest laser patterns are repeatedly selected to obtain a plurality of inclination angle detection sets, pattern detection requirements are further generated, classified detection is realized on the laser patterns, the laser film detection flow is effectively simplified, the pattern inclination angles are not required to be independently adjusted when each laser pattern is detected, and the effect of effectively improving the laser film detection efficiency is achieved.
Inputting model information of the laser film into a preset scheme matching model to judge whether laser patterns with historical error quantity duty ratio exceeding a preset duty ratio threshold exist or not, and if so, selecting other laser patterns with the optimal tilt angle including the laser patterns in the detectable tilt angle range to form the tilt angle detection set.
Referring to fig. 7, the above-mentioned controlling the winding and unwinding assembly 3, the ambient light assembly 4 and the video acquisition assembly 5 according to the detection scheme specifically includes the following steps:
the method comprises the steps that C1, parameter setting is carried out by a detection controller 6 according to a detection scheme, parameter information of equipment is issued to a winding and unwinding assembly 3, an environment illumination assembly 4 and a video acquisition assembly 5, and a laser film to be detected is arranged on the winding and unwinding assembly 3;
C2, acquiring laser film image information, namely generating a control instruction according to the detection flow information, and controlling the winding and unwinding assembly 3, the environment illumination assembly 4 and the video acquisition assembly 5 to perform winding, acquisition and detection on the laser film to be detected under the specified inclination angle and illumination conditions according to the detection flow;
And C3, detecting the laser film, namely receiving the acquired image information of the laser film in real time through a preset AI visual detection model, and detecting the laser film, wherein the AI visual detection model is obtained through training historical detection data of the laser film on the basis of a ChatGPT4.0 model. Through the steps, the detection controller 6 realizes laser film detection automation according to a detection scheme, classifies and aggregates laser patterns on the laser film based on a greedy algorithm, simplifies a detection flow, realizes high-speed detection on a pattern-free area, classifies and accurately detects a patterned area, avoids the time-consuming and labor-consuming phenomenon of independently adjusting the inclination angle of the patterns when detecting each laser pattern, and gives consideration to detection precision and detection efficiency, thereby achieving the effect of effectively improving the detection efficiency and detection precision of the laser film.
Through the setting of AI visual detection model, based on the powerful image recognition ability of chatGPT4.0 model, simplify sample training flow, neglect the reflection of light stripe interference of laser film, can still accurate discernment laser film on the appearance defect in the high-speed unreeling detection process of laser film, practice thrift manpower and materials.
Referring to fig. 8, the above-mentioned controlling winding and unwinding assembly 3, the ambient light assembly 4 and the video acquisition assembly 5 specifically include the following steps according to the detection procedure, for performing the unwinding and acquisition of the laser film to be detected under the specified inclination angle and the light condition:
D1, adjusting the inclination angle of the laser film, namely controlling the lifting of the hydraulic lifting bases 31 of the two groups of winding and unwinding assemblies 3 based on control instructions, and adjusting the inclination angle of the unwinding state of the laser film to be detected;
D2, adjusting the illumination condition in the hood 2, namely adjusting the illumination condition in the hood 2 according to the illumination condition required by laser film detection by the multicolor illumination lamp group 41 of the environment illumination assembly 4 based on the control instruction;
d3, light transmission irradiation, namely editing the illumination width of the light transmission lamp 422 of the light transmission component 42 based on the control instruction, controlling the lifting driving piece 421 to lift the light transmission lamp 422 to the position below the laser film to be detected, and controlling the rotary lamp holder 423 to rotate the light transmission lamp 422 to enable the light transmission lamp 422 to face the position below the laser film to be detected;
And D4, acquiring the image information of the laser film in real time, namely controlling the winding and unwinding components 32 of the two groups of winding and unwinding assemblies 3 to be matched with the laser film to be detected to unwind based on the control instruction, and controlling the video acquisition assembly 5 to acquire the image information of the laser film required by detection in real time. When the laser pattern on the laser film appears in the acquisition area of the video acquisition component 5 during unreeling of the laser film to be detected, the two groups of unreeling components 32 stop for X seconds, wherein the stop time length X is preset by a manager. Through the steps, according to the detection scheme, the laser film is automatically detected, the laser patterns with various display angles on the laser film are subjected to high-efficiency and clear image acquisition, the detection flow is simplified, the high-speed detection is realized for the pattern-free area, the pattern-free area is accurately detected in a classified mode, the inclination angle of the patterns does not need to be independently adjusted when each laser pattern is detected, manpower and material resources are saved, the efficient and high-precision detection of the laser film by the AI visual detection model is facilitated, and the effects of effectively improving the detection efficiency and the detection precision of the laser film are achieved.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present invention or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, which also falls within the scope of the present invention.
Claims (10)
1. A laser film inspection system, comprising:
a machine table (1), the top of which is provided with a hood (2);
The two groups of winding and unwinding assemblies (3) are arranged on the machine table (1) in parallel and are used for winding and unwinding the laser film to be detected;
the environment illumination assembly (4) is arranged in the hood (2) and is used for simulating illumination conditions required by laser film detection;
the video acquisition component (5) is arranged in the hood (2) and is used for acquiring image information of the laser film to be detected;
The detection controller (6) is used for deciding to generate a detection scheme according to the detection requirement of the laser film to be detected, and controlling the winding and unwinding assembly (3), the ambient light assembly (4) and the video acquisition assembly (5) to detect the laser film to be detected according to the detection scheme.
2. The laser film detection system of claim 1, wherein the winding and unwinding assembly (3) comprises a hydraulic lifting base (31) and a winding and unwinding component (32), the winding and unwinding component (32) is arranged at the lifting end of the hydraulic lifting base (31), the winding and unwinding component (32) comprises a winding and unwinding motor (321) and a winding and unwinding roller (322), and the output end of the winding and unwinding motor (321) is in transmission connection with the winding and unwinding roller (322).
3. The laser film detection system according to claim 2, wherein the environment illumination component (4) comprises a multicolor illumination lamp group (41) for simulating illumination conditions required by laser film detection and a light transmission component (42) arranged between the two groups of winding and unwinding components (3) and positioned below the laser film to be detected, the light transmission component (42) comprises a lifting driving piece (421) and a light transmission lamp (422) with adjustable brightness, and the light transmission lamp (422) is arranged at the lifting end of the lifting driving piece (421).
4. The laser film detection system of claim 3, wherein the lifting end of the lifting driving piece (421) is connected with a rotary lamp holder (423), a mounting groove (424) for mounting a light-transmitting lamp (422) is formed in the top of the rotary lamp holder (423), electric rotating pieces (425) for driving the light-transmitting lamp (422) to rotate are arranged at two ends of the mounting groove (424), two ends of the light-transmitting lamp (422) are respectively connected with the rotating ends of the two electric rotating pieces (425), and the light-transmitting lamp (422) is an editable matrix LED lamp.
5. The laser film detection system according to claim 1, wherein the decision-making detection scheme according to the detection requirement of the laser film to be detected specifically comprises the following steps:
Basic information of a laser film to be detected is obtained, wherein the basic information of the laser film to be detected comprises model information, dimension specification information, pattern information and detection standard information of the laser film, the pattern information of the laser film comprises pattern information, position information, dimension information and detection inclination angle information of at least one laser pattern, and the detection inclination angle information comprises a detectable inclination angle range and an optimal inclination angle;
generating detection requirements of the laser film to be detected based on basic information of the laser film to be detected, wherein the detection requirements comprise size detection requirements, flaw detection requirements and pattern detection requirements;
and generating a detection scheme by matching a preset scheme matching model according to the detection requirement of the laser film to be detected, wherein the detection scheme comprises at least one pattern acquisition angle, detection flow information and equipment parameter information, and the scheme matching model is obtained by iterative training of historical detection data for a machine learning model.
6. The laser film inspection system of claim 5, wherein the generating the inspection requirements of the laser film to be inspected based on the basic information of the laser film to be inspected specifically comprises the following steps:
Generating a size detection requirement and a flaw detection requirement based on the size specification information and the detection standard information of the laser film;
obtaining the detectable inclination angle range of each laser pattern on the laser film to be detected based on the pattern information of the laser film, sequentially selecting the inclination detection angle with the largest overlapping times through a greedy algorithm, and generating a plurality of inclination angle detection sets;
and summarizing and generating pattern detection requirements according to the plurality of inclination angle detection sets, and packaging the pattern detection requirements, the size detection requirements and the flaw detection requirements to generate detection requirements of the laser film to be detected.
7. The laser film detection system according to claim 6, wherein the generating of the plurality of tilt angle detection sets by sequentially selecting the tilt detection angles with the largest overlapping times through the greedy algorithm further comprises inputting model information of the laser film into a preset scheme matching model to judge whether laser patterns with the historical error number ratio exceeding a preset duty ratio threshold exist, and if so, selecting other laser patterns with the optimal tilt angles including the laser patterns in the detectable tilt angle range to form the tilt angle detection sets.
8. The laser film detection system according to claim 4, wherein the controlling the winding and unwinding assembly (3), the ambient light assembly (4) and the video acquisition assembly (5) according to the detection scheme specifically comprises the following steps:
The detection controller (6) issues equipment parameter information to the winding and unwinding assembly (3), the environment illumination assembly (4) and the video acquisition assembly (5) according to a detection scheme to perform parameter setting, and a laser film to be detected is arranged on the winding and unwinding assembly (3);
Generating a control instruction according to the detection flow information, and controlling a winding and unwinding assembly (3), an ambient illumination assembly (4) and a video acquisition assembly (5) to unwind, acquire and detect the laser film image information required by the laser film to be detected under the specified inclination angle and illumination conditions according to the detection flow;
and the AI visual detection model is obtained by training historical detection data of the laser film based on the ChatGPT4.0 model.
9. The laser film detection system according to claim 8, wherein the laser film image information required for unreeling, collecting and detecting the laser film to be detected under the specified inclination angle and illumination conditions by the control unreeling component (3), the ambient illumination component (4) and the video collecting component (5) according to the detection flow specifically comprises the following steps:
Based on the control instruction, controlling the lifting of the hydraulic lifting bases (31) of the two groups of winding and unwinding assemblies (3), and adjusting the inclination angle of the unwinding state of the laser film to be detected;
Based on the control instruction, the multicolor illumination lamp group (41) of the environment illumination assembly (4) adjusts the illumination condition in the hood (2) according to the illumination condition required by the laser film detection;
Based on the control instruction, editing the illumination width of the light-transmitting lamp (422) of the light-transmitting component (42), controlling the lifting driving piece (421) to lift the light-transmitting lamp (422) to the lower part of the laser film to be detected, and controlling the rotary lamp holder (423) to rotate the light-transmitting lamp (422) to the lower part of the laser film to be detected;
based on the control instruction, the winding and unwinding components (32) of the two groups of winding and unwinding components (3) are controlled to be matched with the laser film to be detected for unwinding, and the video acquisition component (5) is controlled to acquire the laser film image information required for detection in real time.
10. The laser film detection system according to claim 9, wherein the controlling of the winding and unwinding components (32) of the two groups of winding and unwinding components (3) to cooperate with the unwinding of the laser film to be detected further comprises stopping the two groups of winding and unwinding components (32) for X seconds when the laser pattern on the laser film appears in the acquisition area of the video acquisition component (5) during the unwinding of the laser film to be detected, wherein the stopping time period X is preset by a manager.
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| CN116030019A (en) * | 2023-01-31 | 2023-04-28 | 重庆市科之拓视觉科技有限公司 | Laser film flaw detection method, device, system and medium |
| KR20230144770A (en) * | 2022-04-08 | 2023-10-17 | 주식회사 씨브이아이 | Method for inspecting defects of optical film |
| CN117250203A (en) * | 2023-11-10 | 2023-12-19 | 深圳市玻尔智造科技有限公司 | Graphite coiled material detection method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20230144770A (en) * | 2022-04-08 | 2023-10-17 | 주식회사 씨브이아이 | Method for inspecting defects of optical film |
| CN116030019A (en) * | 2023-01-31 | 2023-04-28 | 重庆市科之拓视觉科技有限公司 | Laser film flaw detection method, device, system and medium |
| CN117250203A (en) * | 2023-11-10 | 2023-12-19 | 深圳市玻尔智造科技有限公司 | Graphite coiled material detection method and system |
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