CN-121978000-A - Fabric fuzzing and pilling test equipment based on image and test method thereof

CN121978000ACN 121978000 ACN121978000 ACN 121978000ACN-121978000-A

Abstract

The invention discloses an image-based fabric fuzzing and pilling test device and a test method thereof, and belongs to the technical field of textile detection. The device comprises a frame, a roller box lined with cork lining, an environment regulation module and an image acquisition and processing system. The environment regulation and control module forms micro-positive pressure and directional air flow in the roller box through the ion fan and the exhaust fan, neutralizes friction static electricity in real time, eliminates fiber scraps, and purifies the testing environment from the source. The image acquisition and processing system adopts D65, near ultraviolet and near infrared multispectral light sources to perform time-sharing illumination, and combines an unsupervised differential segmentation algorithm and a machine learning model to realize accurate segmentation, feature extraction and intelligent rating of the pilling region. The invention realizes the environment active regulation and control in the test process and the objective quantitative analysis of the result, remarkably improves the accuracy, consistency and efficiency of the rating, and overcomes the defects of strong subjectivity and poor repeatability of the traditional manual visual evaluation.

Inventors

WANG KAIYAN
HUI YONGJIU
WANG YUAN
TAN WENLI
YU HONGYING

Assignees

江苏中纺联检验技术服务有限公司

Dates

Publication Date: 20260505
Application Date: 20251229

Claims (10)

1. An image-based fabric fuzzing and pilling test apparatus comprising: A frame; A roller box arranged on the frame, driven by a motor, lined with cork lining for accommodating a sample carrying tube with fabric samples, and An environmental regulation module, the environmental regulation module comprising: An electrostatic neutralizing unit comprising an ion blower and an air supply cavity communicated with the roller box and used for injecting ion air into the roller box, and The debris removing unit comprises an exhaust fan and an air extracting cavity communicated with the roller box and is used for extracting air from the interior of the roller box; the air supply cavity and the air extraction cavity are respectively communicated with the interior of the roller box through a plurality of ion air outlets and air extraction openings, and the ion air outlets and the air extraction openings are arranged in a staggered and opposite mode in space so as to form directional air flow in the interior of the roller box; The device also comprises an image acquisition and processing system for acquiring multispectral images of the fabric samples processed by the roller box and analyzing the images to output a rating result.
2. An image-based fabric fuzzing and pilling test device according to claim 1, wherein the air supply and extraction chambers are annular sealed cavities disposed around the outer wall of the roll box; the axis of the ion wind outlet points to the geometric center of the roller box and forms an included angle of 10-20 degrees with the normal direction of the inner wall of the roller box.
3. The image-based fabric pilling test device according to claim 1, wherein the environment control module further comprises a dual-stage air supply pipeline connecting the ion blower and the air supply cavity, and a dual-stage air exhaust pipeline connecting the exhaust blower and the air exhaust cavity; the double-section air supply pipeline and the double-section air exhaust pipeline comprise an inner section pipeline rotating along with the roller box and an outer section pipeline, and the inner section pipeline and the outer section pipeline are connected through a rotary joint.
4. The image-based fabric pilling test equipment according to claim 3, wherein the rotary joint is a double-channel air path rotary joint, and comprises a fixed cylinder rotating synchronously with the roller box and a mandrel fixed with the frame; the fixed cylinder and the mandrel are relatively rotated through a bearing and a sealing structure, and an air inlet flow channel and an air outlet flow channel which are mutually independent are formed; The air flow of the double-section air supply pipeline is transmitted through the air inlet flow channel, and the air flow of the double-section air exhaust pipeline is transmitted through the air outlet flow channel.
5. The image-based fabric pilling test device according to claim 1, wherein the air supply amount of the ion fan is larger than the air supply amount of the exhaust fan, so that the interior of the roller box maintains a micro-positive pressure state of 5-10 Pa.
6. An image-based fabric fuzzing and pilling test device according to claim 1, wherein the image acquisition and processing system comprises: An imaging box; the illumination module is arranged in the imaging box and comprises at least one group of visible light sources and one group of non-visible light sources, and is used for carrying out multiband illumination on the sample in a time-sharing manner; The imaging module is arranged at the top of the imaging box and is used for acquiring multispectral images under the illumination of each light source; And the image processing module is used for carrying out fusion processing on the collected multispectral images so as to divide the pilling area and extract the characteristics.
7. The image-based fabric fuzzing and pilling test device of claim 6, wherein the illumination module comprises a D65 standard light source, a near ultraviolet light source, and a near infrared light source; The image processing module is configured to perform the following operations: converting a color image under a D65 standard light source into a gray image and carrying out Gaussian blur processing to obtain a background image; calculating a difference map of the near ultraviolet image and the background image; carrying out Gaussian blur and normalization on the near infrared image to generate a thickness mask; And performing self-adaptive threshold segmentation and logical AND operation on the difference map and the thickness mask to generate a binary segmentation map of the pilling region.
8. The image-based fabric pilling test device of claim 7, wherein the image processing module is further configured to calculate at least one morphological feature parameter of the number of pilling areas, total area, average area, distribution density, and area variation coefficient based on the binary segmentation map, and input the feature parameter to a trained machine learning model, outputting an integer rating result of 1-5 stages.
9. An image-based fabric fuzzing and pilling test method employing the image-based fabric fuzzing and pilling test apparatus according to any one of claims 1 to 8, comprising the steps of: S1, installing a fabric sample on a sample carrying tube and placing the fabric sample in the roller box; S2, starting a motor to enable the roller box to rotate, and simultaneously starting the ion fan and the exhaust fan to synchronously perform static neutralization and fiber debris removal in the friction process; s3, after the test is finished, taking out the sample, placing the sample in an imaging box, and collecting a multispectral image of the sample; s4, processing the multispectral image, segmenting the pilling area, extracting features, and automatically outputting a rating result based on the extracted features.
10. The method of claim 9, wherein in S2, the air supply of the ion fan is controlled to be larger than the air supply of the exhaust fan, so that the interior of the roller box is kept in a micro-positive pressure state, and/or And in the step S4, an unsupervised multispectral differential segmentation algorithm is adopted to generate a pilling region segmentation map.

Description

Fabric fuzzing and pilling test equipment based on image and test method thereof Technical Field The invention relates to the technical field of textile performance testing, in particular to an image-based fabric fuzzing and pilling testing device and a testing method thereof. Background The fuzzing and pilling performance of fabrics is an important index for evaluating the quality of textiles. At present, standard methods (such as GB/T4802.3-2008 pilling box method) widely adopted at home and abroad mainly depend on artificial vision assessment after the test is finished. The method has the obvious defects that firstly, human eyes evaluate the influence of subjective factors such as fatigue, experience difference and the like, so that the consistency and comparability of results are poor, and secondly, the evaluation result cannot be quantified, and accurate comparison and analysis are difficult to carry out. More importantly, static electricity is generated by continuous rubbing of the fabric against the cork liner, the carrier tube and itself during the testing process. The accumulation of static electricity can adsorb fiber scraps, so that the pilling morphology is distorted, such as abnormal adhesion or rejection of fibers, and further the subsequent image acquisition is interfered, so that the background noise of the image is increased, and the contrast between a pilling area and a substrate is reduced. Accordingly, there is a need to provide an image-based fabric fuzzing and pilling test apparatus and a test method thereof to solve the above-mentioned problems. Disclosure of Invention The invention overcomes the defects of the prior art and provides an image-based fabric fuzzing and pilling test device and a test method thereof. In order to achieve the aim, the invention adopts the technical scheme that the image-based fabric fuzzing and pilling test equipment comprises: A frame; A roller box arranged on the frame, driven by a motor, lined with cork lining for accommodating a sample carrying tube with fabric samples, and An environmental regulation module, the environmental regulation module comprising: An electrostatic neutralizing unit comprising an ion blower and an air supply cavity communicated with the roller box and used for injecting ion air into the roller box, and The debris removing unit comprises an exhaust fan and an air extracting cavity communicated with the roller box and is used for extracting air from the interior of the roller box; the air supply cavity and the air extraction cavity are respectively communicated with the interior of the roller box through a plurality of ion air outlets and air extraction openings, and the ion air outlets and the air extraction openings are arranged in a staggered and opposite mode in space so as to form directional air flow in the interior of the roller box; The device also comprises an image acquisition and processing system for acquiring multispectral images of the fabric samples processed by the roller box and analyzing the images to output a rating result. In a preferred embodiment of the invention, the air supply cavity and the air extraction cavity are annular sealed cavities arranged around the outer wall of the roller box; the axis of the ion wind outlet points to the geometric center of the roller box and forms an included angle of 10-20 degrees with the normal direction of the inner wall of the roller box. In a preferred embodiment of the present invention, the environment control module further comprises a dual-stage air supply pipeline connecting the ion blower and the air supply cavity, and a dual-stage air exhaust pipeline connecting the exhaust blower and the air exhaust cavity; the double-section air supply pipeline and the double-section air exhaust pipeline comprise an inner section pipeline rotating along with the roller box and an outer section pipeline, and the inner section pipeline and the outer section pipeline are connected through a rotary joint. In a preferred embodiment of the invention, the rotary joint is a double-channel gas circuit rotary joint and comprises a fixed cylinder and a mandrel, wherein the fixed cylinder rotates synchronously with the roller box, and the mandrel is fixed with the frame; the fixed cylinder and the mandrel are relatively rotated through a bearing and a sealing structure, and an air inlet flow channel and an air outlet flow channel which are mutually independent are formed; The air flow of the double-section air supply pipeline is transmitted through the air inlet flow channel, and the air flow of the double-section air exhaust pipeline is transmitted through the air outlet flow channel. In a preferred embodiment of the invention, the air supply quantity of the ion fan is larger than the air supply quantity of the exhaust fan, so that the interior of the roller box maintains a micro-positive pressure state of 5-10 Pa. In a preferred embodiment of the present invention, the image acquisition