Optimization method and device for ultraviolet irradiation crosslinking of cable

Abstract

The application is suitable for the technical field of cable processing, and provides a cable ultraviolet light irradiation cross-linking optimization method and device, all ultraviolet light lamps are set to the same irradiation intensity at regular time, and the irradiation intensity is maintained for a period of time, the irradiation intensity of each ultraviolet light lamp is detected in real time by an irradiation intensity detection module located beside each ultraviolet light lamp, and data is sent to a processing module, the processing module generates an irradiation intensity decay curve corresponding to each ultraviolet light lamp through the data, and according to the curve, a compensation adjustment value of how to compensate the irradiation intensity of each ultraviolet light lamp is reversely deduced as a reference irradiation intensity under the condition that the irradiation intensity needs to be kept unchanged, and the problem that the service life and irradiation intensity decay of the ultraviolet light lamp affect the consistency of cable processing due to long-time use is solved.

Description

Technical Field

[0001] This invention belongs to the field of cable processing technology, and in particular relates to a method and apparatus for optimizing crosslinking of cables by ultraviolet irradiation. Background Technology

[0002] The new ultraviolet (UV) irradiation cross-linked wire and cable technology is a technological innovation independently developed in my country, possessing independent intellectual property rights and reaching international leading levels. Currently, the world's main cross-linking insulation technologies are peroxide cross-linking, silane cross-linking, and electron beam-assisted cross-linking. UV cross-linking is a completely new cross-linking technology. Its principle is as follows: using polyolefin as the main raw material, adding an appropriate amount of photoinitiator, and irradiating with ultraviolet light, the photoinitiator absorbs ultraviolet light of a specific wavelength, thereby generating polyethylene macromolecular free radicals and undergoing a series of rapid polymerization reactions to produce cross-linked polyethylene insulated cables with a three-dimensional network structure. Cross-linked polyethylene insulated wires and cables produced using this new process exhibit excellent high-temperature resistance, solvent resistance, superior electrical properties, and significantly enhanced mechanical properties.

[0003] In actual production, due to the different cross-sectional areas of the insulation layers of cables of different specifications, it is impossible to guarantee the consistency of the ultraviolet radiation dose received per unit volume of insulated cables of different specifications. Secondly, during the startup acceleration process and the shutdown deceleration process, it is necessary to ensure the consistency of the ultraviolet radiation dose received by any section of the product. Finally, since ultraviolet lamps gradually age during use, their irradiation energy is a gradual decay process, and it is necessary to ensure that the radiation dose received by the produced cable products remains consistent throughout their service life. Summary of the Invention

[0004] This invention provides a method and apparatus for optimizing crosslinking of cables by ultraviolet irradiation, aiming to solve the problems mentioned in the background art.

[0005] This invention is implemented as follows: a method for optimizing crosslinking of cables by ultraviolet irradiation, comprising the following steps;

[0006] Step S1: The cable enters the ultraviolet irradiation crosslinking device with uniform acceleration, and the corresponding speed is measured. Combined with the length of the ultraviolet irradiation range, the corresponding acceleration and the time to pass through the ultraviolet irradiation range are calculated. Based on the total irradiation intensity required for the cable to achieve the effect of a three-dimensional mesh structure, the irradiation intensity of the ultraviolet lamp is adjusted and increased.

[0007] Step S2: The cable enters the ultraviolet irradiation crosslinking device at a constant speed, and the corresponding speed is measured. Combined with the length of the ultraviolet irradiation range, the time to pass through the ultraviolet irradiation range is calculated. Based on the total irradiation intensity required for the cable to achieve the effect of a three-dimensional mesh structure, the irradiation intensity of the ultraviolet lamp is adjusted and reduced.

[0008] Step S3: The cable enters the ultraviolet irradiation crosslinking device in a uniformly decelerated manner, and the corresponding speed is measured. Combined with the length of the ultraviolet irradiation range, the corresponding negative acceleration and the time to pass through the ultraviolet irradiation range are calculated. Based on the total irradiation intensity required for the cable to achieve the effect of a three-dimensional mesh structure, the irradiation intensity of the ultraviolet lamp is adjusted and increased.

[0009] Preferably, the ultraviolet irradiation crosslinking device irradiates each insulation layer of the cable individually. Specifically, the thickness of each insulation layer is detected by a thickness detection module, and the irradiation intensity in the ultraviolet irradiation crosslinking device is adjusted accordingly based on the detection results. The thicker the insulation layer, the greater the irradiation intensity.

[0010] Preferably, before cable processing, multiple cables need to be fed into the ultraviolet irradiation crosslinking device in turn at a uniform speed to calculate the total irradiation intensity per unit location of the cable.

[0011] Preferably, in steps S1, S2 and S3, each ultraviolet lamp needs to be individually compensated and adjusted according to the amplitude of the irradiance decay of each ultraviolet lamp, so as to meet the irradiance intensity required for processing the cable.

[0012] This invention is implemented as follows: a cable ultraviolet irradiation crosslinking optimization device, comprising the following component structure:

[0013] The speed measurement module located at the entrance of the ultraviolet irradiation crosslinking device is used to measure the speed at which the cable enters the ultraviolet irradiation crosslinking device;

[0014] Ultraviolet lamps are used to irradiate the insulation layer of cables.

[0015] The processing module is used to determine whether the cable is in a state of uniform acceleration, uniform deceleration or uniform speed based on the speed of the cable entering the ultraviolet irradiation crosslinking device measured in real time by the speed measuring module, and to calculate the corresponding acceleration, negative acceleration and speed. Based on the length of the irradiation range inside the ultraviolet irradiation crosslinking device, the time that part of the cable spends inside the ultraviolet irradiation crosslinking device is obtained. Combined with the total irradiation intensity of the cable, the radiation intensity of the cable when passing through each ultraviolet lamp is obtained.

[0016] The irradiance intensity adjustment module adjusts the irradiance of each ultraviolet lamp to the corresponding value based on the irradiance intensity of each ultraviolet lamp calculated by the processing module.

[0017] An irradiance detection module is installed near each ultraviolet lamp to detect the irradiance of the ultraviolet lamp in real time and send the corresponding data to the processing module.

[0018] Preferably, it also includes a thickness detection module located at the inlet of the ultraviolet irradiation crosslinking device, used to detect the thickness of the cable insulation layer and send the detection result to the processing module; the processing module finds the corresponding ultraviolet irradiation intensity data based on the cable insulation layer thickness data, and sends the ultraviolet irradiation intensity data to the irradiation intensity adjustment module, which adjusts the irradiation intensity of all ultraviolet lamps accordingly based on the data.

[0019] Preferably, all ultraviolet lamps are periodically adjusted to the same irradiance intensity and kept constant. After a period of time, the irradiance intensity of each ultraviolet lamp is detected again by the irradiance intensity detection module, and the corresponding data is sent to the processing module. The processing module establishes the irradiance energy decay curve of the ultraviolet lamp based on the data from the same irradiance intensity detection module, and controls the irradiance intensity adjustment module in real time to adjust the irradiance intensity of the corresponding ultraviolet lamp as compensation based on the curve, so as to ensure that the irradiance intensity always remains the same.

[0020] Preferably, the processing module includes a speed judgment and calculation unit, used to determine whether the cable is in a state of uniform acceleration, uniform deceleration, or uniform speed based on the speed of the cable entering the ultraviolet irradiation crosslinking device measured in real time by the speed measurement module, and to calculate the corresponding acceleration, negative acceleration, and speed; an irradiation intensity calculation unit, used to calculate the time it takes for the cable to pass through the ultraviolet irradiation crosslinking device based on the length of the irradiation range inside the ultraviolet irradiation crosslinking device, combined with the corresponding acceleration, negative acceleration, and speed obtained by the speed judgment and calculation unit, and combined with the total irradiation intensity of the cable, to calculate the radiation intensity when the cable passes through each ultraviolet lamp; an irradiation energy decay calculation unit, used to establish the irradiation energy decay curve of the ultraviolet lamp based on the data of the same irradiation intensity detection module, and to deduce the irradiation intensity that the ultraviolet lamp needs to compensate for based on the radiation intensity of the cable passing through each ultraviolet lamp calculated by the irradiation intensity calculation unit; and a data storage unit, internally storing data corresponding to the relationship between the cable insulation layer thickness and the irradiation intensity of the ultraviolet lamp.

[0021] Compared with the prior art, the beneficial effects of the present invention are: the present invention provides a method and apparatus for optimizing crosslinking of cables by ultraviolet irradiation.

[0022] By periodically setting all UV lamps to the same irradiance intensity and maintaining it for a certain period, the irradiance intensity of each UV lamp is monitored in real time by an irradiance intensity detection module located next to each UV lamp. The data is then sent to a processing module, which uses this data to generate an irradiance intensity decay curve for each UV lamp. Based on this curve, the module then deduces the appropriate adjustment value for the irradiance intensity of each UV lamp to compensate for the irradiance intensity while maintaining a constant irradiance intensity. This serves as a reference irradiance intensity, solving the problems of UV lamp lifespan reduction due to prolonged use and the impact of irradiance intensity decay on cable processing consistency.

[0023] Once the irradiance of each UV lamp is maintained consistently through compensation, thus maintaining the reference irradiance, the thickness detection module located at the entrance of the UV irradiation crosslinking device detects the insulation thickness of each cable and uploads it to the processing module. The processing module searches through the internal data storage unit to find the irradiance corresponding to the thickness, and adjusts it to the irradiance corresponding to the thickness based on the reference irradiance to form the first irradiance. This avoids the problem of inconsistent irradiance effects on cables due to different cable insulation specifications.

[0024] The speed of the cable at this point is measured by a speed measuring module installed at the inlet of the ultraviolet irradiation crosslinking device. Multiple sets of speed data from different points are uploaded in real time to the processing module. The processing module determines whether the cable is in a state of uniform acceleration, uniform speed, or uniform deceleration and calculates the corresponding acceleration, speed, and negative acceleration. Then, based on the length of the entire irradiation range, it determines the time required for the same part of the cable to pass through the irradiation range. Based on the total intensity required for the cable to achieve the desired effect as measured earlier, it determines the required irradiation intensity for each ultraviolet lamp. Based on the first irradiation intensity, the irradiation intensity of each ultraviolet lamp is finally adjusted. This avoids the problem of inconsistent irradiation intensity caused by inconsistent speeds at different parts of the cable by supplementing the irradiation intensity of the remaining ultraviolet lamps. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the method steps of the present invention;

[0026] Figure 2 This is a schematic diagram of the module composition in this invention;

[0027] In the diagram: 100, speed measurement module;

[0028] 200. Ultraviolet lamp;

[0029] 300. Processing module; 301. Velocity judgment and calculation unit; 302. Irradiation intensity calculation unit; 303. Irradiation energy decay calculation unit; 304. Data storage unit;

[0030] 400. Irradiation intensity adjustment module;

[0031] 500. Irradiation intensity detection module;

[0032] 600. Thickness detection module. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0034] Please see Figure 1-2 The present invention provides a technical solution: a method for optimizing crosslinking of cables by ultraviolet irradiation, comprising the following steps;

[0035] Step S1: The cable enters the ultraviolet irradiation crosslinking device with uniform acceleration, and the corresponding speed is measured. Combined with the length of the ultraviolet irradiation range, the corresponding acceleration and the time to pass through the ultraviolet irradiation range are calculated. Based on the total irradiation intensity required for the cable to achieve the effect of a three-dimensional mesh structure, the irradiation intensity of the ultraviolet lamp 200 is adjusted and increased.

[0036] Step S2: The cable enters the ultraviolet irradiation crosslinking device at a constant speed, and the corresponding speed is measured. Combined with the length of the ultraviolet irradiation range, the time to pass through the ultraviolet irradiation range is calculated. Based on the total irradiation intensity required for the cable to achieve the three-dimensional mesh structure effect, the irradiation intensity of the ultraviolet lamp 200 is adjusted and reduced.

[0037] Step S3: The cable enters the ultraviolet irradiation crosslinking device in a uniformly decelerated manner, and the corresponding speed is measured. Combined with the length of the ultraviolet irradiation range, the corresponding negative acceleration and the time to pass through the ultraviolet irradiation range are calculated. Based on the total irradiation intensity required for the cable to achieve the effect of a three-dimensional mesh structure, the irradiation intensity of the ultraviolet lamp 200 is adjusted and increased.

[0038] Before the cable processing, multiple cables need to be fed into the ultraviolet irradiation crosslinking device at a constant speed in turn to calculate the total irradiation intensity per unit location of the cable.

[0039] The usage process of this invention is as follows: First, the time it takes for the cable to pass through the irradiation range of the ultraviolet lamp 200 inside the ultraviolet irradiation crosslinking device under uniform speed is measured by testing multiple cables. Based on the irradiation intensity of the ultraviolet lamp 200, the cumulative total energy required for each position of the cable to be irradiated to the required degree, i.e. to produce a polymerization reaction and generate a three-dimensional network structure, is obtained. At the same time, since the test of multiple cables can yield a more average total energy for heating each part of the cable to the required degree.

[0040] In actual use, the ultraviolet irradiation crosslinking device is first started, and the cable is guided into the ultraviolet irradiation crosslinking device in a uniform acceleration manner. The speed of the cable is obtained by the speed measuring module 100 set at the entrance of the ultraviolet irradiation crosslinking device, and the above data is sent to the processing module 300. The processing module 300 performs simple processing to determine that it is in a uniform acceleration state and obtains the uniform acceleration. Combined with the length of the irradiation range of the ultraviolet lamp 200 inside the ultraviolet irradiation crosslinking device, the time that the same part of the cable is irradiated in the ultraviolet irradiation crosslinking device is obtained. Then, based on the total energy obtained from the previous test, the required irradiation intensity of each ultraviolet lamp 200 is obtained. The required irradiation intensity of each ultraviolet lamp 200 is then used to control the irradiation intensity adjustment module 400 to adjust and strengthen the irradiation intensity of the ultraviolet lamp 200, so that the required level of the cable can be quickly achieved.

[0041] When the cable is guided into the ultraviolet irradiation crosslinking device at a constant speed, the speed of the cable is obtained by the speed measuring module 100 set at the entrance of the ultraviolet irradiation crosslinking device, and the above data is sent to the processing module 300. The processing module 300 determines that it is in a constant speed state, and the processing module 300, combined with the length of the irradiation range of the ultraviolet lamp 200 inside the ultraviolet irradiation crosslinking device, determines the time that the same part of the cable is irradiated in the ultraviolet irradiation crosslinking device. Then, based on the total energy obtained from the previous test, the required irradiation intensity of each ultraviolet lamp 200 is obtained. After that, the irradiation intensity adjustment module 400 is controlled to adjust and reduce the irradiation intensity of the ultraviolet lamp 200 so that the required level of the cable can be quickly achieved.

[0042] When the cable is guided into the ultraviolet irradiation crosslinking device in a uniformly decelerated manner, the speed of the cable is obtained by the speed measuring module 100 set at the entrance of the ultraviolet irradiation crosslinking device, and the above data is sent to the processing module 300. The processing module 300 performs simple processing and determines that it is in a uniformly decelerated state, and obtains that the uniform deceleration is a negative acceleration. Combined with the length of the irradiation range of the ultraviolet lamp 200 inside the ultraviolet irradiation crosslinking device, the time that the same part of the cable is irradiated in the ultraviolet irradiation crosslinking device is obtained. Then, based on the total energy obtained from the previous test, the irradiation intensity adjustment module 400 is controlled to adjust and strengthen the irradiation intensity of the ultraviolet lamp 200 so that the desired level can be reached quickly.

[0043] The ultraviolet irradiation crosslinking device irradiates each insulation layer of the cable individually. Specifically, the thickness of each insulation layer is detected by the thickness detection module 600, and the irradiation intensity in the ultraviolet irradiation crosslinking device is adjusted accordingly based on the detection results. The thicker the insulation layer, the greater the irradiation intensity.

[0044] After each insulation layer of the cable is processed at the machine head, the insulation layer is further processed inside the ultraviolet irradiation crosslinking device to ensure that the cable insulation layer reaches the required level. Specifically, the processing process in the ultraviolet irradiation crosslinking device is as follows: the cable is driven to the entrance of the ultraviolet irradiation crosslinking device, where the thickness detection module 600 detects the thickness of the insulation layer and sends the detected thickness result to the processing module 300. The processing module 300 searches through the internal data storage unit 304 to find the irradiation intensity corresponding to the thickness. This data is also obtained from the results of multiple irradiations of multiple cables using the controlled variable method. In actual use, it can be directly used accordingly. After the irradiation intensity of the ultraviolet lamp 200 is compensated, the irradiation intensity is further adjusted.

[0045] In steps S1, S2 and S3, each ultraviolet lamp 200 needs to be individually compensated and adjusted according to the amplitude of the irradiance decay of each ultraviolet lamp 200, so as to meet the irradiance intensity for processing the cable.

[0046] An irradiation intensity detection module 500 is installed near each ultraviolet lamp 200 inside the ultraviolet irradiation crosslinking device to detect the irradiation intensity of each ultraviolet lamp 200 in real time and send the corresponding data to the processing module 300. At the same time, since all ultraviolet lamps 200 are periodically adjusted to the same irradiation intensity and maintained for a period of time, the irradiation intensity detection module 500 sends the real-time detection data to the processing module 300. The processing module 300 plots the corresponding irradiation decay curve of the ultraviolet lamp 200 based on the state of each ultraviolet lamp 200 under the same irradiation intensity, i.e., the irradiation intensity change. Then, the processing module 300 instructs the irradiation intensity adjustment module 400 to increase the irradiation intensity of the ultraviolet lamp 200 according to the decay degree of the irradiation curve, so that its irradiation intensity is consistent with the previous one. After that, the irradiation intensity of the ultraviolet lamp 200 is further adjusted according to the speed at which the cable enters the ultraviolet irradiation crosslinking device.

[0047] A cable ultraviolet irradiation crosslinking optimization device includes the following component structure:

[0048] The speed measuring module 100 located at the entrance of the ultraviolet irradiation crosslinking device is used to measure the speed at which the cable enters the ultraviolet irradiation crosslinking device.

[0049] 200 UV lamps are used for irradiating the insulation layer of cables.

[0050] The processing module 300 is used to determine whether the cable is in a state of uniform acceleration, uniform deceleration or uniform speed based on the speed of the cable entering the ultraviolet irradiation crosslinking device measured in real time by the speed measuring module 100, and to calculate the corresponding acceleration, negative acceleration and speed. Based on the length of the irradiation range inside the ultraviolet irradiation crosslinking device, the time that part of the cable spends inside the ultraviolet irradiation crosslinking device is obtained. Combined with the total irradiation intensity of the cable, the radiation intensity of the cable when passing through each ultraviolet lamp 200 is obtained.

[0051] The irradiance intensity adjustment module 400 adjusts the irradiance intensity of each ultraviolet lamp 200 to the corresponding value based on the irradiance intensity of each ultraviolet lamp 200 calculated by the processing module 300.

[0052] An irradiance detection module 500 is installed near each ultraviolet lamp 200 to detect the irradiance of the ultraviolet lamp 200 in real time and send the corresponding data to the processing module 300.

[0053] The processing module 300 includes a speed judgment and calculation unit 301, used to determine whether the cable is in a state of uniform acceleration, uniform deceleration, or uniform speed based on the speed of the cable entering the ultraviolet irradiation crosslinking device as measured in real time by the speed measurement module 100, and to calculate the corresponding acceleration, negative acceleration, and speed. The irradiation intensity calculation unit 302 is used to calculate the time it takes for that part of the cable to pass through the ultraviolet irradiation crosslinking device based on the length of the irradiation range inside the device, combined with the corresponding acceleration, negative acceleration, and speed obtained by the speed judgment and calculation unit 301. The radiation intensity of the cable passing through each ultraviolet lamp 200 is obtained by combining the total irradiance of the cable; the irradiance energy decay calculation unit 303 is used to establish the irradiance energy decay curve of the ultraviolet lamp 200 based on the data of the same irradiance intensity detection module 500, and to deduce the irradiance intensity that the ultraviolet lamp 200 needs to be increased in reverse based on the radiation intensity of the cable passing through each ultraviolet lamp 200 calculated by the irradiance intensity calculation unit 302; the data storage unit 304 internally stores the data corresponding to the cable insulation layer thickness and the irradiance intensity of the ultraviolet lamp 200.

[0054] It also includes a thickness detection module 600 located at the inlet of the ultraviolet irradiation crosslinking device, which is used to detect the thickness of the cable insulation layer and send the detection result to the processing module 300. The processing module 300 finds the corresponding ultraviolet irradiation intensity data based on the cable insulation layer thickness data and sends the ultraviolet irradiation intensity data to the irradiation intensity adjustment module 400. The irradiation intensity adjustment module 400 adjusts the irradiation intensity of all ultraviolet lamps 200 accordingly based on the data.

[0055] Periodically adjust all UV lamps 200 to the same irradiance intensity and keep it constant. After a period of time, the irradiance intensity of each UV lamp 200 is detected again by the irradiance intensity detection module 500, and the corresponding data is sent to the processing module 300. The processing module 300 establishes the irradiance energy decay curve of the UV lamp 200 based on the data from the same irradiance intensity detection module 500, and controls the irradiance intensity adjustment module 400 in real time to adjust the irradiance intensity of the corresponding UV lamp 200 as compensation based on the curve, so as to ensure that the irradiance intensity always remains the same.

[0056] In this embodiment, all ultraviolet lamps 200 are periodically set to the same irradiance intensity and maintained for a certain period of time. Irradiance intensity detection modules 500 located next to each ultraviolet lamp 200 detect the irradiance intensity of each lamp in real time and send the data to processing module 300. Processing module 300 uses this data to generate an irradiance decay curve for each ultraviolet lamp 200 and, based on this curve, deduces the irradiance intensity of each ultraviolet lamp 200 that needs to be kept constant. The method of adjusting the irradiance intensity using a compensation value as a reference irradiance intensity solves the problem of the lifespan and irradiance intensity decay of the ultraviolet lamp 200 affecting the consistency of cable processing. Once the irradiance intensity of each ultraviolet lamp 200 is maintained through compensation, thus maintaining the reference irradiance intensity, the thickness detection module 600 located at the inlet of the ultraviolet irradiation crosslinking device detects the insulation layer thickness of each cable and uploads the data to the processing module 300. The processing module 300 then searches its internal data storage unit 304 for values ​​matching the reference irradiance intensity. The irradiation intensity corresponding to the thickness is adjusted based on the reference irradiation intensity to form the first irradiation intensity. This avoids the problem of inconsistent irradiation intensity affecting the cable due to different specifications of the cable insulation layer. Finally, the speed of the cable at this part is measured by the speed measuring module 100 set at the entrance of the ultraviolet irradiation crosslinking device, and multiple sets of speed data of different parts are uploaded in real time to the processing module 300. The processing module 300 determines whether the cable is in a state of uniform acceleration, uniform speed, or uniform deceleration and calculates the corresponding acceleration, speed, and negative acceleration. Then, based on the length of the entire irradiation range, it determines the time required for the same part of the cable to pass through the irradiation range. Based on the total intensity required for the cable to achieve the desired effect, it determines the irradiation intensity required for each ultraviolet lamp 200. Based on the first irradiation intensity, the irradiation intensity of each ultraviolet lamp 200 is finally adjusted. This avoids the problem of inconsistent irradiation intensity caused by inconsistent speed at different parts of the cable by supplementing the irradiation intensity of the remaining ultraviolet lamps 200.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A method for optimizing crosslinking of cables by ultraviolet irradiation, characterized in that: The process includes the following steps: Step S1: The cable enters the ultraviolet irradiation crosslinking device at a uniform acceleration, and the corresponding speed is measured. Combined with the length of the ultraviolet irradiation range, the corresponding acceleration and the time taken to traverse the ultraviolet irradiation range are calculated. Based on the total irradiation intensity required to achieve the three-dimensional mesh structure effect, the ultraviolet lamp irradiation intensity is adjusted and increased. Step S2: The cable enters the ultraviolet irradiation crosslinking device at a constant speed, and the corresponding speed is measured. Combined with the length of the ultraviolet irradiation range, the time taken to traverse the ultraviolet irradiation range is calculated. Based on the total irradiation intensity required to achieve the three-dimensional mesh structure effect, the ultraviolet lamp irradiation intensity is adjusted and decreased. Step S3: The cable enters the ultraviolet irradiation crosslinking device at a uniform deceleration, and the corresponding speed is measured. Combined with the length of the ultraviolet irradiation range, the corresponding negative acceleration and the time taken to traverse the ultraviolet irradiation range are calculated. Based on the total irradiation intensity required to achieve the three-dimensional mesh structure effect, the ultraviolet lamp irradiation intensity is adjusted and increased.

2. The method for optimizing crosslinking of cables by ultraviolet irradiation as described in claim 1, characterized in that: The ultraviolet irradiation crosslinking device irradiates each insulation layer of the cable individually. Specifically, the thickness of each insulation layer is detected by a thickness detection module, and the irradiation intensity in the ultraviolet irradiation crosslinking device is adjusted accordingly based on the detection results. The thicker the insulation layer, the greater the irradiation intensity.

3. The method for optimizing crosslinking of cables by ultraviolet irradiation as described in claim 1, characterized in that: Before cable processing, multiple cables need to be fed into the ultraviolet irradiation crosslinking device at a constant speed in turn to calculate the total irradiation intensity per unit location of the cable.

4. The method for optimizing crosslinking of cables by ultraviolet irradiation as described in claim 1, characterized in that: In steps S1, S2 and S3, each ultraviolet lamp needs to be individually compensated and adjusted according to the amplitude of the irradiance decay of each ultraviolet lamp, so as to meet the irradiance intensity required for processing the cable.

5. A cable ultraviolet irradiation crosslinking optimization device, characterized in that: The device includes the following components: a speed measuring module (100) located at the entrance of the ultraviolet irradiation crosslinking device, used to measure the speed at which the cable enters the ultraviolet irradiation crosslinking device; and an ultraviolet lamp (200) used to irradiate the insulation layer of the cable. The processing module (300) is used to determine whether the cable is in a state of uniform acceleration, uniform deceleration or uniform speed based on the speed of the cable entering the ultraviolet irradiation crosslinking device measured in real time by the speed measuring module (100), and to calculate the corresponding acceleration, negative acceleration and speed. Based on the length of the irradiation range inside the ultraviolet irradiation crosslinking device, the time the cable spends inside the ultraviolet irradiation crosslinking device is obtained, and combined with the total irradiation intensity of the cable, the radiation intensity of the cable when passing through each ultraviolet lamp is obtained. The irradiance intensity adjustment module (400) adjusts the irradiance intensity of the ultraviolet lamp (200) to the corresponding value based on the irradiance intensity of each ultraviolet lamp calculated by the processing module (300). An irradiance detection module (500) is provided near each of the ultraviolet lamps (200) to detect the irradiance of the ultraviolet lamps (200) in real time and send the corresponding data to the processing module (300).

6. The cable ultraviolet irradiation crosslinking optimization device as described in claim 5, characterized in that: It also includes a thickness detection module (600) located at the inlet of the ultraviolet irradiation crosslinking device, used to detect the thickness of the cable insulation layer and send the detection result to the processing module (300); the processing module (300) finds the corresponding ultraviolet irradiation intensity data based on the cable insulation layer thickness data and sends the ultraviolet irradiation intensity data to the irradiation intensity adjustment module (400), the irradiation intensity adjustment module (400) adjusts the irradiation intensity of all the ultraviolet lamps (200) accordingly based on the ultraviolet irradiation intensity data.

7. The cable ultraviolet irradiation crosslinking optimization device as described in claim 6, characterized in that: Periodically adjust all the ultraviolet lamps (200) to the same irradiance intensity and keep it constant. After a period of time, the irradiance intensity of each ultraviolet lamp (200) is detected again by the irradiance intensity detection module (500), and the corresponding data is sent to the processing module (300). The processing module (300) establishes the irradiance energy decay curve of the ultraviolet lamp (200) based on the data from the same irradiance intensity detection module (500), and controls the irradiance intensity adjustment module (400) in real time to adjust the irradiance intensity of the corresponding ultraviolet lamp (200) as compensation to ensure that the irradiance intensity always remains the same.

8. The cable ultraviolet irradiation crosslinking optimization device as described in claim 7, characterized in that: The processing module (300) includes a speed judgment and calculation unit (301), used to determine whether the cable is in a state of uniform acceleration, uniform deceleration, or uniform speed based on the speed of the cable entering the ultraviolet irradiation crosslinking device as measured in real time by the speed measuring module (100), and to calculate the corresponding acceleration, negative acceleration, and speed; and an irradiation intensity calculation unit (302), used to calculate the irradiation intensity based on the length of the irradiation range inside the ultraviolet irradiation crosslinking device, combined with the corresponding acceleration, negative acceleration, and speed obtained by the speed judgment and calculation unit (301). The time it takes for the cable to pass through the ultraviolet irradiation crosslinking device, combined with the total irradiation intensity of the cable, is used to determine the radiation intensity of the cable when it passes through each of the ultraviolet lamps (200); the irradiation energy decay calculation unit (303) is used to establish the irradiation energy decay curve of the ultraviolet lamp (200) based on the data of the same irradiation intensity detection module (500), and to deduce the irradiation intensity that the ultraviolet lamp (200) needs to be increased by calculating the radiation intensity of the cable when it passes through each of the ultraviolet lamps (200) based on the irradiation intensity calculation unit (302); The data storage unit (304) internally stores data corresponding to the relationship between the cable insulation layer thickness and the irradiation intensity of the ultraviolet lamp (200).

Images