CN-121988621-A - Roller surface quality detection method and device, electronic equipment and storage medium

CN121988621ACN 121988621 ACN121988621 ACN 121988621ACN-121988621-A

Abstract

The application discloses a method and a device for detecting the surface quality of a roller, electronic equipment and a storage medium, and relates to the technical field of strip steel production. The method for detecting the roller surface defects comprises the steps of determining the installation position of the center line of a shooting lens in a preset image acquisition component from a roller and the irradiation angle when a preset detection component irradiates the roller based on geometric parameters of the roller, determining the inclination angle of the shooting lens in the preset image acquisition component when the roller irradiates the roller based on preset target defects of the roller surface, adjusting the preset image acquisition component based on the irradiation angle and the inclination angle, detecting the defects of the roller surface based on images acquired by the adjusted preset image acquisition component, and determining the surface quality of the roller. The application realizes the automation of the detection of the roller surface defects, and the images acquired by the adjusted preset image acquisition assembly can provide the accuracy, reliability and timeliness of the image identification defects, thereby improving the production efficiency of the roller.

Inventors

REN XINYI
MIAO CHENGLIANG
LIU HONGMING
HUANG HUAGUI
QI HAIFENG
GAO HUIMIN
ZHANG CHAO
ZHOU JIAN
WANG JIANJIAN
CHEN YONGPING
ZHOU XUN
WANG WENGUANG
BI GUOXI

Assignees

首钢京唐钢铁联合有限责任公司

Dates

Publication Date: 20260508
Application Date: 20260209

Claims (10)

1. The method for detecting the surface quality of the roller is characterized by comprising the following steps of: Determining the installation position of the center line of a shooting lens in a preset image acquisition component from the roller and the irradiation angle when the preset detection component irradiates the roller based on the geometric parameters of the roller, wherein the preset image acquisition component is a component for acquiring the surface image of the roller; determining an inclination angle of a shooting lens in the preset image acquisition assembly when the roller is irradiated on the basis of a preset target defect on the surface of the roller; And adjusting the preset image acquisition assembly based on the irradiation angle and the inclination angle, and performing defect detection on the surface of the roller based on the image acquired by the adjusted preset image acquisition assembly to determine the surface quality of the roller.
2. The method for detecting the surface quality of a roller according to claim 1, wherein the geometric parameters include a roller diameter, and the determining, based on the geometric parameters of the roller, a mounting position of a center line of a photographing lens in a preset image acquisition assembly from the roller and an irradiation angle when the preset detection assembly irradiates the roller includes: Determining the installation position of the center line of a shooting lens in a preset image acquisition assembly from the roller based on the roller diameter of the roller, wherein the installation position is used for representing the horizontal position and the vertical position of the preset image acquisition assembly from the roller; after the installation position of the preset image acquisition component is determined, the irradiation angle of the preset detection component when the roller is irradiated is determined based on a first incidence angle of the shooting lens in the preset image acquisition component when the roller is irradiated and a first reflection angle of the roller.
3. The method according to claim 1, wherein the determining the inclination angle of the photographing lens in the preset image capturing assembly when the roll is irradiated based on the preset target defect of the roll surface comprises: And determining the inclination angle of the shooting lens in the preset image acquisition assembly when the shooting lens irradiates the roller based on a second incidence angle when the shooting lens irradiates the preset target defect on the surface of the roller and a second reflection angle when the preset target defect is reflected.
4. The method according to claim 1, wherein the adjusting the preset image capturing assembly based on the irradiation angle and the inclination angle, and performing defect detection on the roll surface based on the image captured by the adjusted preset image capturing assembly, determining the surface quality of the roll, comprises: Adjusting the preset image acquisition assembly based on the irradiation angle and the inclination angle, and acquiring an image acquired based on the adjusted preset image acquisition assembly; And detecting defects on the surface of the roller based on the gray value of the image, and determining the surface quality of the roller.
5. The method according to claim 4, wherein the gradation value includes an average gradation value, and the detecting the defect of the roll surface based on the gradation value of the image, determining the surface quality of the roll, comprises: Comparing the average gray value of the image with a preset gray threshold value to determine a gray difference value corresponding to the image; And detecting defects on the surface of the roller based on the gray level difference value, and determining the surface quality of the roller.
6. The method for detecting surface quality of a roll according to claim 5, wherein the defect detection of the roll surface based on the gray scale difference value, determining the surface quality of the roll, comprises: Comparing the gray level difference value with a preset defect gray level value of a preset target defect, detecting the defect on the surface of the roller, and determining the target defect that the gray level difference value on the surface of the roller is larger than the preset defect gray level value; and determining the surface quality of the roller based on the target defect.
7. The method for detecting the surface quality of a roll according to claim 6, wherein the determining the surface quality of the roll based on the target defect includes: Judging whether the number of the target defects on the surface of the roller is larger than a preset defect number threshold value, and if so, determining that the surface quality of the roller has faults.
8. The device for detecting the surface quality of the roller is characterized by comprising the following components: The first determining module is used for determining the installation position of the center line of the shooting lens in a preset image acquisition component from the roller and the irradiation angle when the preset detection component irradiates the roller based on the geometric parameters of the roller, wherein the preset image acquisition component is a component for acquiring the surface image of the roller; the second determining module is used for determining the inclination angle of the shooting lens in the preset image acquisition assembly when the shooting lens irradiates the roller based on the preset target defect on the surface of the roller; And the third determining module is used for detecting defects on the surface of the roller based on the irradiation angle and the inclination angle and determining the surface quality of the roller.
9. An electronic device comprising a processor, a memory and a bus, said memory storing machine readable instructions executable by said processor, said processor in communication with said memory via the bus when the electronic device is in operation, said machine readable instructions being executable by said processor to perform the steps of the method for detecting roll surface quality as claimed in any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when executed by a processor, performs the steps of the method for detecting roll surface quality as claimed in any of the preceding claims 1-7.

Description

Roller surface quality detection method and device, electronic equipment and storage medium Technical Field The application relates to the technical field of strip steel production, in particular to a method and a device for detecting the surface quality of a roller, electronic equipment and a storage medium. Background At present, in the process of rolling a plate and a strip, a roller is one of important components for continuously and plastically deforming a rolled piece, the surface state of a working roller of a rolling mill directly influences the surface quality of strip steel contacted with the working roller of the rolling mill, and the roller can cause the problems of cracks, oxide film abrasion, surface quality deterioration and the like on the surface of the roller body due to surface oxidation, oxide particle scaling, thermal shock and the like under the comprehensive effects of high temperature, high pressure, alternating load stress and the like. Therefore, it is very important to quickly and accurately inspect the state of the roll surface. However, when a roll is used for a certain period or a certain number of steel coils are rolled, the roll needs to be replaced or ground, the traditional technology usually adopts a field operator to carry out simple visual inspection on the state of the surface of the roll, or adopts a flashlight, a stroboscope and the like to irradiate a local area of the surface of the roll to carry out inspection, so that when a certain abnormality occurs in the rolling process of a plate strip, such as the quality defect occurs on the surface of strip steel, the rolling mill needs to be temporarily stopped, the roll is pulled out to carry out inspection on the surface quality of the strip steel, a great amount of time is wasted when the unplanned abnormal stopping of the rolling mill is carried out, the production efficiency is influenced, in addition, the visual inspection mode is adopted to detect the quality of the roll, the subjective influence is large, the automation of detection cannot be realized, and the accuracy, the reliability and the timeliness are poor. Disclosure of Invention The embodiment of the application provides a method, a device, electronic equipment and a storage medium for detecting the surface quality of a roller, solves the technical problems that the detection cannot be automatically realized in the prior art, the accuracy, the reliability and the timeliness are poor, and the production efficiency is further affected. In a first aspect of the embodiment of the present application, the embodiment of the present application provides a method, an apparatus, an electronic device, and a storage medium for detecting surface quality of a roll, where the method for detecting surface quality of a roll includes: Determining the installation position of the center line of a shooting lens in a preset image acquisition component from the roller and the irradiation angle when the preset detection component irradiates the roller based on the geometric parameters of the roller, wherein the preset image acquisition component is a component for acquiring the surface image of the roller; determining an inclination angle of a shooting lens in the preset image acquisition assembly when the roller is irradiated on the basis of a preset target defect on the surface of the roller; And adjusting the preset image acquisition assembly based on the irradiation angle and the inclination angle, and performing defect detection on the surface of the roller based on the image acquired by the adjusted preset image acquisition assembly to determine the surface quality of the roller. In a possible implementation manner, the geometric parameters include a roller diameter, and the determining, based on the geometric parameters of the roller, an installation position of a center line of a photographing lens in a preset image acquisition assembly from the roller and an irradiation angle when the preset detection assembly irradiates the roller includes: Determining the installation position of the center line of a shooting lens in a preset image acquisition assembly from the roller based on the roller diameter of the roller, wherein the installation position is used for representing the horizontal position and the vertical position of the preset image acquisition assembly from the roller; after the installation position of the preset image acquisition component is determined, the irradiation angle of the preset detection component when the roller is irradiated is determined based on a first incidence angle of the shooting lens in the preset image acquisition component when the roller is irradiated and a first reflection angle of the roller. In a possible implementation manner, the determining, based on the preset target defect of the surface of the roller, the inclination angle of the shooting lens in the preset image acquisition assembly when the shooting lens irradiates the rol