Quality detection system and method for coiled cable

Abstract

The invention discloses a quality detection system and method for coiled cables, and relates to the technical field of cable quality detection, and the quality detection system comprises a conveying device, an appearance detection module, an electrical performance detection module, a mechanical performance detection module, an environmental adaptability detection module and a data analysis module. The conveying device conveys the coiled cable to a detection area, the appearance detection module captures a cable appearance image of the coiled cable and carries out computer visual identification and size measurement so as to detect whether the current coiled cable has appearance flaws or not, and the electrical performance detection module detects electrical performance parameters of the coiled cable. The mechanical performance detection module simulates the stress condition of the coiled cable in actual use and detects and obtains mechanical performance parameters of the coiled cable, the environmental adaptability detection module detects the adaptability of the coiled cable under different environmental conditions, and the data analysis module receives detection data of the detection modules and sends the detection data to the control module. And obtaining a cable quality detection report of the coiled cable.

Description

Technical Field

[0001] The invention relates to the technical field of cable quality detection, in particular to a quality detection system and method for a reeled cable. Background Art

[0002] In the existing cable manufacturing industry, the quality of cable drums is of vital importance. The quality inspection of cable drums usually relies on manual observation and a single inspection device. These traditional methods have many limitations, such as low inspection efficiency and low accuracy. Manual inspection is easily affected by the subjective judgment of the operator, resulting in poor consistency of the inspection results. In addition, the existing inspection system can often only perform a single performance inspection, lacking comprehensiveness and systematicness. Therefore, there is an urgent need for a system that can comprehensively, automatically and efficiently inspect the quality of cable drums. Summary of the invention

[0003] In order to solve the above problems, the object of the present invention is to provide a quality detection system and method for a cable drum.

[0004] The object of the present invention can be achieved by the following technical solutions: A quality detection system for a cable in a coil, comprising a conveying device, a data analysis module, an appearance detection module, an electrical performance detection module, a mechanical performance detection module and an environmental adaptability detection module sequentially connected between the conveying device and the data analysis module; The conveying device is used to convey the coiled cable to the detection area at a preset conveying rate; The appearance detection module is used to capture the cable appearance image of the cable reel, and perform computer vision recognition and size measurement on the cable appearance image, so as to detect whether the current cable reel has appearance defects; The electrical performance detection module is used to detect the insulation resistance, conductor resistance, withstand voltage, leakage current and temperature rise of the cable in a coil, and integrate them as the electrical performance parameters of the cable in a coil; The mechanical performance detection module is used to simulate the stress conditions of the cable in actual use, and then detect the mechanical performance parameters of the cable in the coil; The environmental adaptability detection module is used to detect the adaptability of the cable in different environmental conditions; The data analysis module is used to receive the detection data of each detection module and obtain a cable quality detection report corresponding to the cable reel.

[0005] Furthermore, the process of the conveying device conveying the cable coil to the detection area at a preset conveying rate includes: Preset the transmission rate of the conveying device, determine whether the working voltage, working power and working current of the conveying device are normal, if any of the working voltage, working power and working current is not normal, reconfigure the working parameters of the current conveying device, otherwise, start the conveying device; A number of reeled cables are stored in a divided pre-loading area, and an automated robotic arm loads each reeled cable in the pre-loading area onto a conveying device, and fixes the reeled cables in a load-bearing area on the conveying device. The conveying device operates at a transmission rate, and then conveys the reeled cables to the detection area. The conveying device is equipped with a position sensor, which is used to detect whether the position of the cable reel is in the working area of ​​each detection module. If so, the conveying device will decelerate evenly until it stops under the corresponding detection module and is detected by the corresponding detection module.

[0006] Furthermore, the appearance detection module captures the cable appearance image of the cable reel, and performs computer vision recognition and size measurement on the cable appearance image, and then detects whether the current cable reel has appearance defects. The process includes: Take a cable appearance image of each cable reel, perform denoising, contrast enhancement and brightness adjustment on each cable appearance image through image preprocessing technology, and determine whether the imaging quality of each cable appearance image meets the requirements after the image preprocessing operation is completed; If yes, the main area of ​​the cable is segmented and extracted from the cable appearance image, and the appearance features of the cable are extracted; if no, the image preprocessing operation is repeated on the cable appearance image until the imaging quality of the cable appearance image meets the requirements; The appearance features extracted from the cable appearance images corresponding to the known cables with defects are used as training data sets, and a defect recognition model is constructed through computer vision recognition technology. The training data sets are input into the defect recognition model, and the defect recognition model classifies and obtains the corresponding partial appearance features when the cable is under defect conditions as defect reference features; Input the appearance features of each cable reel into the defect recognition model, and then use the defect recognition model to determine whether the current cable reel has surface defects; A cable pay-off device is provided to extract a fixed length of cable from each cable reel to measure the size, and obtain the diameter of the cable reel. If the diameter is not within a preset diameter range, it is determined that the current cable reel has a specification defect; otherwise, it is determined that the cable reel does not have a specification defect; When the cable reel has at least one of surface defects or specification defects, the detection shows that the current cable reel has appearance defects; otherwise, the detection shows that the current cable reel does not have appearance defects.

[0007] Furthermore, the electrical performance detection module detects the insulation resistance, conductor resistance, withstand voltage performance, leakage current and temperature rise of the cable in a coil, and integrates the results as the electrical performance parameters of the cable in a coil, including: When the cable in a coil stops in the working area corresponding to the electrical performance detection module on the conveying device, the insulation resistance of the cable in a coil is tested by a high resistance meter to obtain the insulation resistance of the cable in a coil, and the resistance of the cable in a coil is tested by a four-wire test method to obtain the conductor resistance of the cable in a coil; Apply a test voltage higher than its normal operating voltage to the cable and continue for a preset test duration T-cs, where T-cs is a duration greater than 0, to observe whether the cable is broken down. If so, the withstand voltage performance of the current cable is judged to be unqualified; otherwise, the withstand voltage performance is judged to be qualified; Apply a test voltage of a specified value to the cable and measure the leakage current through the cable insulation layer; Apply rated current to the cable and measure the temperature rise of the cable in operation; Insulation resistance, conductor resistance, withstand voltage, leakage current and temperature rise are integrated as electrical performance parameters of the cable drum.

[0008] Furthermore, the mechanical performance detection module simulates the stress condition of the cable in actual use, and then detects the mechanical performance parameters of the cable in the coil, including: The mechanical property detection module is provided with a mechanical testing device. When the reeled cable enters the working area of ​​the mechanical property detection module on the conveying device, the reeled cable is installed and fixed on the mechanical testing device, and the operating parameters of the mechanical testing device are configured according to the type of the reeled cable; The simulation of the stress condition of the cable drum includes tensile simulation, compression simulation, bending simulation, torsion simulation and impact simulation. The tensile strength, yield strength and tensile modulus of the cable drum are obtained through tensile simulation. The compression strength, deformation size and compression modulus of the cable drum are obtained through compression simulation. The bending strength, minimum bending radius and bending modulus of the cable drum are obtained through bending simulation. The torsion strength, maximum torsion angle and torsion modulus of the cable drum are obtained through torsion simulation. The impact strength and impact toughness of the cable drum are obtained through impact simulation. The test simulation data after all simulations of the cable drum are integrated and then used as the mechanical performance parameters of the corresponding cable drum.

[0009] Furthermore, the process of the environmental adaptability detection module detecting the adaptability of the cable in different environmental conditions includes: When the cable is on the conveying device and enters the working area corresponding to the environmental adaptability detection module, the environmental adaptability detection module sets simulated environmental conditions for the cable, and the simulated environmental conditions include the setting of environmental temperature, environmental humidity and ultraviolet illumination, and also include the ratio of chemical reagents used for chemical corrosion of the cable; According to the simulated environmental conditions, the cable reels are subjected to temperature cycle test, humidity test, chemical corrosion test and UV irradiation test, and then the corresponding electrical performance of the cables under abnormal temperature, abnormal humidity, extreme chemical environment and abnormal UV illumination is tested. When the decline fluctuation of the electrical performance exceeds the preset fluctuation range, the adaptability of the cable reels under the corresponding environmental conditions is tested to be unqualified; otherwise, the adaptability of the cable reels under the corresponding environmental conditions is tested to be qualified.

[0010] Furthermore, the data analysis module receives the detection data of each detection module, and the process of obtaining the cable quality detection report corresponding to the cable reel includes: The data analysis module receives the detection data of each detection module and constructs an index matching library, which stores the expected index data of the quality detection of the cable drum by each detection module under each detection module. The expected index data is the parameter index corresponding to the quality of the cable drum under each detection module under ideal conditions. Input the detection data of each detection module into the index matching library in turn, match and obtain the detection data of each detection module in the index matching library, and all the corresponding expected index data. If the detection data of the current detection module does not meet its corresponding expected index data, then the quality detection result of the cable drum under the current detection module is evaluated as follows: the quality of the cable drum is unqualified under the current detection operation; otherwise, the quality detection result of the cable drum under the current detection module is evaluated as follows: the quality of the cable drum is qualified under the current detection operation; Integrate the quality assessment results of the same cable reel under all detection modules, and then obtain a cable quality detection report corresponding to the corresponding cable reel. Repeat the above operation for each cable reel, and then obtain a cable quality detection report corresponding to each cable reel.

[0011] Furthermore, a quality detection method of a cable drum quality detection system comprises the following steps: Step S1: transporting the cable reel to the detection area at a preset transmission rate; Step S2: capturing the cable appearance image of the cable reel, and performing computer vision recognition and dimension measurement on the cable appearance image, thereby detecting whether the current cable reel has appearance defects; Step S3: Detecting the insulation resistance, conductor resistance, withstand voltage performance, leakage current and temperature rise of the cable in a reel, and integrating them as electrical performance parameters of the cable in a reel; Step S4: simulating the stress conditions of the cable drum in actual use, and then detecting the mechanical performance parameters of the cable drum; Step S5: Detecting the adaptability of the cable in different environmental conditions; Step S6: receiving all the test data and obtaining a cable quality test report corresponding to the cable reel.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the automated conveying device can continuously convey the cable at a preset rate, thereby improving the speed and efficiency of cable quality detection; the appearance detection module utilizes computer vision recognition technology to accurately detect the appearance defects of the cable; the integration of the electrical performance detection module, the mechanical performance detection module and the environmental adaptability detection module can comprehensively evaluate the performance of the cable in terms of electrical, mechanical and environmental adaptability; finally, the data analysis module automatically generates a cable quality detection report for each cable reel to achieve comprehensive and systematic detection of the cable quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the present invention. DETAILED DESCRIPTION

[0014] like Figure 1 As shown, a quality inspection system for a cable in a coil includes a conveying device, an appearance inspection module, an electrical performance inspection module, a mechanical performance inspection module, an environmental adaptability inspection module, and a data analysis module; The conveying device is used to convey the coiled cable to the detection area at a preset conveying rate; The appearance detection module is used to capture the cable appearance image of the cable reel, and perform computer vision recognition and size measurement on the cable appearance image, so as to detect whether the current cable reel has appearance defects; The electrical performance detection module is used to detect the insulation resistance, conductor resistance, withstand voltage, leakage current and temperature rise of the cable in a coil, and integrate them as the electrical performance parameters of the cable in a coil; The mechanical performance detection module is used to simulate the stress conditions of the cable in actual use, and then detect the mechanical performance parameters of the cable in the coil; The environmental adaptability detection module is used to detect the adaptability of the cable in different environmental conditions; The data analysis module is used to receive the detection data of each detection module and obtain a cable quality detection report corresponding to the cable reel.

[0015] It should be further explained that, in a specific implementation process, the process in which the conveying device conveys the cable reel to the detection area at a preset conveying rate includes: The transmission rate corresponding to the preset conveying device is judged whether the working voltage, working power and working current corresponding to the conveying device are normal. If any of the working voltage, working power and working current is not normal, the working parameters of the current conveying device are reconfigured; otherwise, the conveying device is started; The working voltage, working power and working current are denoted as V, W and A respectively, and the normal value ranges corresponding to the working voltage, working power and working current are set as Ω1, Ω2 and Ω3 respectively, Ω1=[V-min, V-max], Ω2=[W-min, W-max], Ω3=[A-min, A-max], 0<V-min<V-max, 0<W-min<W-max, 0<A-min<A-max; When V When Ω1, it is judged that the working voltage corresponding to the conveying device is not normal, otherwise, it is judged that the working voltage is normal; When W When Ω2, it is judged that the working power corresponding to the conveying device is not normal, otherwise, it is judged that the working power is normal; When A When Ω1, it is judged that the working current corresponding to the conveying device is not normal, otherwise, the working current is normal; The fixed carrier of the cable reel is a cable reel, that is, the cable is wound on the cable reel according to the number of turns to form a cable reel, and a plurality of cable reels are stored in the divided pre-loading area. The automated robotic arm loads each cable reel in the pre-loading area onto the conveying device, and the cable reels are fixed in the carrying area on the conveying device. The conveying device operates at the transmission rate, and then the cable reels are conveyed to the detection area. The conveying device is equipped with a position sensor, which is used to detect whether the position of the cable reel is in the working area of ​​each detection module. If so, the conveying device will decelerate evenly until it stops under the corresponding detection module and is detected by the corresponding detection module.

[0016] It should be further explained that, in a specific implementation process, the appearance detection module captures the cable appearance image of the cable reel, and performs computer vision recognition and size measurement on the cable appearance image, and then detects whether the current cable reel has appearance defects. The process includes: When the cable reel stops in the working area corresponding to the appearance inspection module on the conveying device, the appearance inspection module starts the high-resolution panoramic camera equipped with it, and then the high-resolution panoramic camera captures the cable appearance image corresponding to each cable reel at a preset shooting frame rate; Obtain the cable label of each cable drum, which is the unique identification of the cable drum. Mark the cable label on the corresponding cable appearance image of the cable drum as the identity certificate of each cable appearance image. Perform denoising, contrast enhancement and brightness adjustment on each cable appearance image in turn through image preprocessing technology, and determine whether the imaging quality of each cable appearance image meets the requirements after the image preprocessing operation is completed. If yes, the main area of ​​the cable is segmented and extracted from the cable appearance image, and the background area is removed; if no, the cable appearance image is repeatedly subjected to denoising, contrast enhancement, and brightness adjustment until the image quality of the cable appearance image meets the requirements; Extracting the appearance features of the cable from the main area of ​​the cable corresponding to the cable appearance image. The appearance features include color information, texture information, and shape information. The appearance features are used to identify defects in the cable. The appearance features extracted from the cable appearance images corresponding to the known cables with defects are used as training data sets, and a defect recognition model is constructed by computer vision recognition technology. The training data sets are input into the defect recognition model, and the defect recognition model is used to classify and obtain the partial appearance features corresponding to the cable under the defect, and the partial appearance features are used as defect reference features; Input the appearance features of each cable reel into the defect recognition model, and then use the defect recognition model to determine whether the current cable reel has surface defects, including scratches, damage, dents and uneven color; When the similarity between the appearance features obtained by the defect recognition model and the defect reference features exceeds 70%, it is judged that the current cable reel has surface defects; otherwise, it is judged that the current cable reel does not have surface defects; A cable pay-off device is provided, and a fixed length of cable is extracted from each cable reel by the cable pay-off device to measure the size, thereby obtaining the diameter of the cable reel. If the diameter is not within a preset diameter range, it is determined that the current cable reel has a specification defect; otherwise, it is determined that the cable reel does not have a specification defect; When the cable reel has at least one of surface defects or specification defects, the detection shows that the current cable reel has appearance defects; otherwise, the detection shows that the current cable reel does not have appearance defects.

[0017] It should be further explained that, in a specific implementation process, the electrical performance detection module detects the insulation resistance, conductor resistance, withstand voltage performance, leakage current and temperature rise of the cable drum, and integrates them as the electrical performance parameters of the cable drum, including: When the cable in a coil stops in the working area corresponding to the electrical performance detection module on the conveying device, the insulation resistance of the cable in a coil is tested by a high resistance meter to obtain the insulation resistance of the cable in a coil, and the resistance of the cable in a coil is tested by a four-wire test method to obtain the conductor resistance of the cable in a coil; Apply a test voltage higher than its normal operating voltage to the cable and continue for a preset test duration T-cs, where T-cs is a duration greater than 0, to observe whether the cable is broken down. If so, the withstand voltage performance of the current cable is judged to be unqualified; otherwise, the withstand voltage performance is judged to be qualified; Apply a specified test voltage to the cable and measure the leakage current through the cable insulation layer. The magnitude of the leakage current can reflect the quality of the cable insulation layer. Apply rated current to the cable and measure the temperature rise of the cable in operation. The temperature of the cable at the beginning of the rated current application is recorded as C, the temperature of the cable after the rated current application is completed is recorded as C`, and the value of the temperature rise is recorded as WS, then WS = |C`-C|; Set the critical temperature rise threshold value and record it as Z. When WS≥Z, an Error mark is marked, indicating that the temperature rise of the current cable reel is in an abnormal state. When WS<Z, it means that the temperature rise of the current cable reel is in a normal state and no operation is performed. Insulation resistance, conductor resistance, withstand voltage, leakage current and temperature rise are integrated as electrical performance parameters of the cable drum.

[0018] It should be further explained that, in a specific implementation process, the mechanical performance detection module simulates the stress condition of the cable in actual use, and then detects the mechanical performance parameters of the cable in the coil, including: The mechanical property detection module is provided with a mechanical testing device. When the reeled cable enters the working area of ​​the mechanical property detection module on the conveying device, the reeled cable is installed and fixed on the mechanical testing device, and the operating parameters of the mechanical testing device are configured according to the type of the reeled cable; Specifically, a configuration parameter table is set, wherein the configuration parameter table records each type of cable in a reel, and each corresponding operation parameter in the mechanical test equipment, and the type of the current cable in a reel is input, and then the operation parameters corresponding to the simulation of the stress condition of the current cable in actual use are retrieved from the configuration parameter table, and the operation parameters are input into the mechanical test equipment, and the mechanical test equipment is started to simulate the cable in a reel; The simulation of the stress condition of the cable drum includes tensile simulation, compression simulation, bending simulation, torsion simulation and impact simulation. The tensile strength, yield strength and tensile modulus of the cable drum are obtained through tensile simulation. The compression strength, deformation size and compression modulus of the cable drum are obtained through compression simulation. The bending strength, minimum bending radius and bending modulus of the cable drum are obtained through bending simulation. The torsion strength, maximum torsion angle and torsion modulus of the cable drum are obtained through torsion simulation. The impact strength and impact toughness of the cable drum are obtained through impact simulation. The test simulation data after all simulations of the cable drum are integrated and then used as the mechanical performance parameters of the corresponding cable drum.

[0019] It should be further explained that, in a specific implementation process, the process of the environmental adaptability detection module detecting the adaptability of the cable in different environmental conditions includes: When the cable is on the conveying device and enters the working area corresponding to the environmental adaptability detection module, the environmental adaptability detection module sets simulated environmental conditions for the cable, and the simulated environmental conditions include the setting of environmental temperature, environmental humidity and ultraviolet illumination, and also include the ratio of chemical reagents used for chemical corrosion of the cable, thereby creating an acidic or alkaline solvent environment for the cable; According to the simulated environmental conditions, the cable reels are subjected to temperature cycle test, humidity test, chemical corrosion test and UV irradiation test, and then the corresponding electrical performance of the cables under abnormal temperature, abnormal humidity, extreme chemical environment and abnormal UV illumination is tested. When the decline fluctuation of the electrical performance exceeds the preset fluctuation range, the adaptability of the cable reels under the corresponding environmental conditions is tested to be unqualified; otherwise, the adaptability of the cable reels under the corresponding environmental conditions is tested to be qualified.

[0020] It should be further explained that, in a specific implementation process, the data analysis module receives the detection data of each detection module, and the process of obtaining the cable quality detection report corresponding to the cable reel includes: The data analysis module receives the detection data of each detection module and constructs an index matching library, which stores the expected index data of the quality detection of the cable drum by each detection module under each detection module. The expected index data is the parameter index corresponding to the quality of the cable drum under each detection module under ideal conditions. Input the detection data of each detection module into the index matching library in turn, match and obtain the detection data of each detection module in the index matching library, and all the corresponding expected index data. If the detection data of the current detection module does not meet its corresponding expected index data, then the quality detection result of the cable drum under the current detection module is evaluated as follows: the quality of the cable drum is unqualified under the current detection operation; otherwise, the quality detection result of the cable drum under the current detection module is evaluated as follows: the quality of the cable drum is qualified under the current detection operation; Integrate the quality assessment results of the same cable reel under all detection modules, and then obtain a cable quality detection report corresponding to the corresponding cable reel. Repeat the above operation for each cable reel, and then obtain a cable quality detection report corresponding to each cable reel.

[0021] The present invention also provides a quality detection method of a cable drum quality detection system, comprising the following steps: Step S1: transporting the cable reel to the detection area at a preset transmission rate; Step S2: capturing the cable appearance image of the cable reel, and performing computer vision recognition and dimension measurement on the cable appearance image, thereby detecting whether the current cable reel has appearance defects; Step S3: Detecting the insulation resistance, conductor resistance, withstand voltage performance, leakage current and temperature rise of the cable in a reel, and integrating them as electrical performance parameters of the cable in a reel; Step S4: simulating the stress conditions of the cable drum in actual use, and then detecting the mechanical performance parameters of the cable drum; Step S5: Detecting the adaptability of the cable in different environmental conditions; Step S6: receiving all the test data and obtaining a cable quality test report corresponding to the cable reel.

[0022] The above embodiments are only used to illustrate the technical method of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the present invention.

Claims

1. A quality inspection system for a cable in a coil, comprising a conveying device, characterized in that: It also includes a data analysis module, an appearance inspection module, an electrical performance inspection module, a mechanical performance inspection module and an environmental adaptability inspection module which are sequentially connected between the conveying device and the data analysis module; The conveying device is used to convey the coiled cable to the detection area at a preset conveying rate; The appearance detection module is used to capture the cable appearance image of the cable reel, and perform computer vision recognition and size measurement on the cable appearance image, so as to detect whether the current cable reel has appearance defects; The electrical performance detection module is used to detect the insulation resistance, conductor resistance, withstand voltage, leakage current and temperature rise of the cable in a coil, and integrate them as the electrical performance parameters of the cable in a coil; The mechanical performance detection module is used to simulate the stress conditions of the cable in actual use, and then detect the mechanical performance parameters of the cable in the coil; The environmental adaptability detection module is used to detect the adaptability of the cable in different environmental conditions; The data analysis module is used to receive the detection data of each detection module and obtain a cable quality detection report corresponding to the cable reel.

2. A cable quality inspection system according to claim 1, characterized in that: The process of the conveying device conveying the cable in a coil to the detection area at a preset conveying rate includes: Preset the transmission rate of the conveying device, determine whether the working voltage, working power and working current of the conveying device are normal, if any of the working voltage, working power and working current is not normal, reconfigure the working parameters of the current conveying device, otherwise, start the conveying device; A number of reeled cables are stored in a divided pre-loading area, and an automated robotic arm loads each reeled cable in the pre-loading area onto a conveying device, and fixes the reeled cables in a load-bearing area on the conveying device. The conveying device operates at a transmission rate, and then conveys the reeled cables to the detection area. The conveying device is equipped with a position sensor, which is used to detect whether the position of the cable reel is in the working area of ​​each detection module. If so, the conveying device will decelerate evenly until it stops under the corresponding detection module and is detected by the corresponding detection module.

3. A cable quality inspection system according to claim 2, characterized in that: The appearance detection module captures the cable appearance image of the cable reel, and performs computer vision recognition and size measurement on the cable appearance image, and then detects whether the current cable reel has appearance defects. The process includes: Take a cable appearance image of each cable reel, perform denoising, contrast enhancement and brightness adjustment on each cable appearance image through image preprocessing technology, and determine whether the imaging quality of each cable appearance image meets the requirements after the image preprocessing operation is completed; If yes, the main area of ​​the cable is segmented and extracted from the cable appearance image, and the appearance features of the cable are extracted; if no, the image preprocessing operation is repeated on the cable appearance image until the imaging quality of the cable appearance image meets the requirements; The appearance features extracted from the cable appearance images corresponding to the known cables with defects are used as training data sets, and a defect recognition model is constructed through computer vision recognition technology. The training data sets are input into the defect recognition model, and the defect recognition model classifies and obtains the corresponding partial appearance features when the cable is under defect conditions as defect reference features; Input the appearance features of each cable reel into the defect recognition model, and then use the defect recognition model to determine whether the current cable reel has surface defects; A cable pay-off device is provided to extract a fixed length of cable from each cable reel to measure the size, and obtain the diameter of the cable reel. If the diameter is not within a preset diameter range, it is determined that the current cable reel has a specification defect; otherwise, it is determined that the cable reel does not have a specification defect; When the cable reel has at least one of surface defects or specification defects, the detection shows that the current cable reel has appearance defects; otherwise, the detection shows that the current cable reel does not have appearance defects.

4. A cable quality inspection system according to claim 3, characterized in that: The electrical performance detection module detects the insulation resistance, conductor resistance, withstand voltage, leakage current and temperature rise of the cable in a reel, and integrates them as the electrical performance parameters of the cable in a reel, including: When the cable in a coil stops in the working area corresponding to the electrical performance detection module on the conveying device, the insulation resistance of the cable in a coil is tested by a high resistance meter to obtain the insulation resistance of the cable in a coil, and the resistance of the cable in a coil is tested by a four-wire test method to obtain the conductor resistance of the cable in a coil; Apply a test voltage higher than its normal operating voltage to the cable and continue for a preset test duration T-cs, where T-cs is a duration greater than 0, to observe whether the cable is broken down. If so, the withstand voltage performance of the current cable is judged to be unqualified; otherwise, the withstand voltage performance is judged to be qualified; Apply a test voltage of a specified value to the cable and measure the leakage current through the cable insulation layer; Apply rated current to the cable and measure the temperature rise of the cable in operation; Insulation resistance, conductor resistance, withstand voltage, leakage current and temperature rise are integrated as electrical performance parameters of the cable drum.

5. A cable quality inspection system according to claim 4, characterized in that: The mechanical performance detection module simulates the stress condition of the cable in actual use, and then detects the mechanical performance parameters of the cable in the coil, including: The mechanical property detection module is provided with a mechanical testing device. When the reeled cable enters the working area of ​​the mechanical property detection module on the conveying device, the reeled cable is installed and fixed on the mechanical testing device, and the operating parameters of the mechanical testing device are configured according to the type of the reeled cable; The simulation of the stress condition of the cable drum includes tensile simulation, compression simulation, bending simulation, torsion simulation and impact simulation. The tensile strength, yield strength and tensile modulus of the cable drum are obtained through tensile simulation. The compression strength, deformation size and compression modulus of the cable drum are obtained through compression simulation. The bending strength, minimum bending radius and bending modulus of the cable drum are obtained through bending simulation. The torsion strength, maximum torsion angle and torsion modulus of the cable drum are obtained through torsion simulation. The impact strength and impact toughness of the cable drum are obtained through impact simulation. The test simulation data after all simulations of the cable drum are integrated and then used as the mechanical performance parameters of the corresponding cable drum.

6. A cable quality inspection system according to claim 5, characterized in that: The process of the environmental adaptability detection module detecting the adaptability of the cable in different environmental conditions includes: When the cable is on the conveying device and enters the working area corresponding to the environmental adaptability detection module, the environmental adaptability detection module sets simulated environmental conditions for the cable, and the simulated environmental conditions include the setting of environmental temperature, environmental humidity and ultraviolet illumination, and also include the ratio of chemical reagents used for chemical corrosion of the cable; According to the simulated environmental conditions, the cable reels are subjected to temperature cycle test, humidity test, chemical corrosion test and UV irradiation test, and then the corresponding electrical performance of the cables under abnormal temperature, abnormal humidity, extreme chemical environment and abnormal UV illumination is tested. When the decline fluctuation of the electrical performance exceeds the preset fluctuation range, the adaptability of the cable reels under the corresponding environmental conditions is tested to be unqualified; otherwise, the adaptability of the cable reels under the corresponding environmental conditions is tested to be qualified.

7. A cable quality inspection system according to claim 6, characterized in that: The process in which the data analysis module receives the detection data of each detection module and obtains the cable quality detection report corresponding to the cable reel includes: The data analysis module receives the detection data of each detection module and constructs an index matching library, which stores the expected index data of the quality detection of the cable drum by each detection module under each detection module. The expected index data is the parameter index corresponding to the quality of the cable drum under each detection module under ideal conditions. Input the detection data of each detection module into the index matching library in turn, match and obtain the detection data of each detection module in the index matching library, and all the corresponding expected index data. If the detection data of the current detection module does not meet its corresponding expected index data, then the quality detection result of the cable drum under the current detection module is evaluated as follows: the quality of the cable drum is unqualified under the current detection operation; otherwise, the quality detection result of the cable drum under the current detection module is evaluated as follows: the quality of the cable drum is qualified under the current detection operation; Integrate the quality assessment results of the same cable reel under all detection modules, and then obtain a cable quality detection report corresponding to the corresponding cable reel. Repeat the above operation for each cable reel, and then obtain a cable quality detection report corresponding to each cable reel.

8. A quality inspection method for a cable drum quality inspection system according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step S1: transporting the cable reel to the detection area at a preset transmission rate; Step S2: capturing the cable appearance image of the cable reel, and performing computer vision recognition and dimension measurement on the cable appearance image, thereby detecting whether the current cable reel has appearance defects; Step S3: Detecting the insulation resistance, conductor resistance, withstand voltage performance, leakage current and temperature rise of the cable in a reel, and integrating them as electrical performance parameters of the cable in a reel; Step S4: simulating the stress conditions of the cable drum in actual use, and then detecting the mechanical performance parameters of the cable drum; Step S5: Detecting the adaptability of the cable in different environmental conditions; Step S6: receiving all the test data and obtaining a cable quality test report corresponding to the cable reel.

Images