Light emitting adjustment method and system of parameter-controllable concentrating solar excitation device, computer equipment and medium

Abstract

The invention relates to an emergent light adjusting method and system of a parameter-controllable concentrating solar excitation device, computer equipment and a medium, and the method comprises the steps: obtaining the target light intensity used for detecting a target object and the current output light intensity of an output end, and determining the to-be-adjusted attenuation of an adjustable optical fiber attenuator according to the target light intensity when the target light intensity and the current output light intensity are not matched; acquiring a first center coordinate of the target light spot and a second center coordinate of a preset irradiation area on the surface of the target object, and determining a to-be-adjusted displacement amount of the output end based on a difference value between the first center coordinate and the second center coordinate; obtaining a current first elevation angle and a first preset elevation angle of the output end, and determining a to-be-adjusted elevation angle of the output end based on a difference value between the first elevation angle and the first preset elevation angle; based on the to-be-adjusted elevation angle, the to-be-adjusted displacement amount and the to-be-adjusted attenuation amount, the emergent light of the optical fiber assembly is adjusted, the adjusted output light intensity is obtained, and a movable light spot is formed on the target object. The problem that excitation parameters are uncontrollable in an existing thermal imaging detection technology with sunlight as an excitation source is solved.

Description

Technical Field

[0001] The present application relates to the field of thermal imaging detection technology, and in particular to a light output adjustment method, system, computer equipment and medium for a parameter-controllable concentrated solar energy excitation device. Background Art

[0002] For outdoor applications, deploying active excitation sources is often difficult. Therefore, thermal imaging defect detection for large structural materials in these scenarios is mostly passive. Under natural outdoor conditions, sunlight radiation can produce a strong heating effect on materials, broadly considered a form of optical excitation. However, current thermal imaging detection methods based on natural sunlight have significant limitations. The intensity of the thermal excitation is constrained by sunlight conditions, and precise control of the excitation parameters is impossible.

[0003] Currently, existing technology 202310629346.7 (Active Thermal Imaging Inspection Method for Wind Turbine Blades Based on Controllable Sunlight Excitation, filed on May 31, 2023) uses a heliostat as the excitation source. It uses commands to adjust the grating swing angle of the daylight control system, changing the direction of sunlight reflection until the reflected sunlight reaches the designated area of ​​the wind turbine blade under test. However, this existing technology only adjusts the incoming light to improve sunlight utilization and maximize efficiency, without achieving control over the excitation parameters. Summary of the Invention

[0004] Based on this, it is necessary to provide a light output adjustment method, system, computer equipment and medium for a parameter-controllable concentrated solar energy excitation device that can control excitation parameters in order to address the above technical problems.

[0005] A method for adjusting light output of a parameter-controllable concentrated solar energy excitation device is applied to the concentrated solar energy excitation device, wherein the concentrated solar energy excitation device includes an optical fiber assembly, the optical fiber assembly includes an adjustable optical fiber attenuator and an output end, and the method includes:

[0006] S1. Obtaining a target light intensity for detecting defects of a target object and a current output light intensity of the output end, and determining an attenuation to be adjusted of the adjustable optical fiber attenuator according to the target light intensity when the current output light intensity does not match the target light intensity;

[0007] S2. Obtaining a first center coordinate of a target light spot and a second center coordinate of a preset irradiation area on the surface of the target object, and determining an amount of displacement to be adjusted of the output end based on a difference between the first center coordinate and the second center coordinate; the target light spot is a light spot formed when the current output light signal of the output end irradiates the target object;

[0008] S3, obtaining a current first elevation angle and a first preset elevation angle of the output end, and determining the elevation angle to be adjusted of the output end based on a difference between the first preset elevation angle and the first elevation angle;

[0009] S4. Based on the elevation angle to be adjusted, the displacement to be adjusted, and the attenuation to be adjusted, the light output of the optical fiber assembly is adjusted to obtain an adjusted output light intensity, and the coordinates of the target light spot are changed, where the output light intensity and the coordinates of the target light spot are both excitation parameters.

[0010] In one embodiment, the concentrated solar energy excitation device further includes a concentrating module, which is used to concentrate sunlight and transmit the concentrated sunlight to the optical fiber assembly, and before step S1, the following steps are further included:

[0011] Obtaining the current azimuth angle and the current second altitude angle of the focusing module;

[0012] Determining a first azimuth angle to be adjusted of the focusing module based on a difference between the current azimuth angle and a preset azimuth angle, and determining a first elevation angle to be adjusted of the focusing module based on a difference between the second elevation angle and a second preset elevation angle;

[0013] The current azimuth angle is adjusted based on the first azimuth angle to be adjusted, and the second altitude angle is adjusted based on the first altitude angle to be adjusted, so that the focusing module is aligned with the sun.

[0014] In one embodiment, the concentrated solar energy excitation device further includes a concentrating module, which is used to concentrate sunlight and transmit the concentrated sunlight to the optical fiber assembly, and after step S4, the following steps are further included:

[0015] When the adjusted output light intensity does not match the target light intensity, determining a light intensity error based on a difference between the output light intensity and the target light intensity;

[0016] calculating a control increment based on the light intensity error;

[0017] Determining a second azimuth angle to be adjusted and a second elevation angle to be adjusted of the focusing module based on the control increment and the current third elevation angle of the focusing module;

[0018] adjusting the current azimuth angle of the focusing module based on the second azimuth angle to be adjusted, and adjusting the third altitude angle based on the second altitude angle to be adjusted, so that the output light intensity of the output end matches the target light intensity;

[0019] The calculation formula of the control increment is: .

[0020] in, is the control increment, e is the light intensity error, t is the current time, K p is the scale parameter, K i is the integration parameter, K d is the differential control parameter.

[0021] In one embodiment, adjusting the current azimuth angle of the focusing module based on the second azimuth angle to be adjusted, and adjusting the third altitude angle based on the second altitude angle to be adjusted, includes:

[0022] Determining a first drive current signal for adjusting the altitude angle based on a quotient of the second altitude angle to be adjusted divided by a first torque constant of the motor, and determining a second drive current signal for adjusting the azimuth angle based on a quotient of the second azimuth angle to be adjusted divided by a second torque constant of the motor;

[0023] The first driving current signal and the second driving current signal are sent to the driver of the motor, so as to adjust the light input of the focusing module through the motor.

[0024] In one embodiment, the method for obtaining the target light intensity in step S1 includes:

[0025] Determine the material of the target object and obtain a target material that matches the material from a preset mapping table; the preset mapping table includes multiple materials and the light intensity corresponding to each material;

[0026] The light intensity corresponding to the target material in the preset mapping table is used as the target light intensity.

[0027] In one embodiment, the optical fiber assembly includes an output light frequency controller, and after step S4, the method further includes:

[0028] The light frequency controller is used to adjust the light frequency of the output end; the response time of the light frequency controller is satisfy , f is the switching frequency of the light output frequency controller.

[0029] In one embodiment, step S4 further includes:

[0030] selecting a target microlens array from a plurality of microlens arrays according to a target shape of the target object;

[0031] The target microlens array is mounted to the output end so that the light spot shape formed when the output light signal of the output end is irradiated onto the target object is consistent with the target shape.

[0032] A light output adjustment system for a parameter-controllable concentrated solar energy excitation device is applied to the concentrated solar energy excitation device. The concentrated solar energy excitation device includes an optical fiber assembly, which includes an adjustable optical fiber attenuator and an output end. The system includes:

[0033] an attenuation determination module, configured to obtain a target light intensity for detecting defects of a target object and a current output light intensity of the output end, and determine an attenuation to be adjusted of the adjustable optical fiber attenuator according to the target light intensity when the current output light intensity does not match the target light intensity;

[0034] a displacement determination module, configured to obtain a first center coordinate of a target light spot and a second center coordinate of a preset irradiation area on the surface of the target object, and determine a displacement to be adjusted of the output end based on a difference between the first center coordinate and the second center coordinate; the target light spot is a light spot formed by the current output light signal of the output end irradiating the target object;

[0035] an angle determination module, configured to obtain a current first elevation angle and a first preset elevation angle of the output end, and determine the elevation angle to be adjusted of the output end based on a difference between the first preset elevation angle and the first elevation angle;

[0036] An adjustment module is used to adjust the light output of the optical fiber component based on the elevation angle to be adjusted, the displacement to be adjusted, and the attenuation to be adjusted, to obtain the adjusted output light intensity and change the coordinates of the target light spot, wherein the output light intensity and the coordinates of the target light spot are both excitation parameters.

[0037] A concentrated solar energy excitation device, comprising a concentrating module 2, a light tracking mechanism 14, and an optical fiber assembly;

[0038] The tracking mechanism 14 includes a controller 13, a motor, a biaxial mechanical platform, and a first encoder 15; the controller 13, the motor, the biaxial mechanical platform, and the first encoder 15 are electrically connected; the first encoder 15 is used to obtain the current azimuth angle and the second elevation angle of the focusing module;

[0039] The focusing module 2 includes a receiving end and a photoelectric sensor 1 installed at the receiving end. The focusing module 2 is located on the dual-axis mechanical platform. The receiving end is used to receive sunlight. The photoelectric sensor 1 is used to convert the captured light signal into an electrical signal and transmit it to the controller 13 to drive the motor to drive the dual-axis mechanical platform to rotate.

[0040] The optical fiber assembly includes an optical fiber array 5, an optical coupler 3, an adjustable optical fiber attenuator 4, an optical fiber bundle manipulation mechanism 11, a light intensity sensor 6, a temperature sensor 7, a replaceable microlens array 8, an output light frequency controller 9, a second encoder 10, and an output end; the optical fiber array 5 is coupled to the light outlet of the focusing module 2 through the optical coupler 3, the light intensity sensor 6 and the temperature sensor 7 are used to collect the output light intensity and temperature of the output end in real time, the adjustable optical fiber attenuator 4 is used to adjust the output light intensity of the output end, the optical fiber bundle manipulation mechanism 11 is connected to the controller 13, and is used to adjust the position of the output end; the replaceable microlens array 8 is used to adjust the light spot shape output by the output end, the output light frequency controller 9 is used to adjust the output light frequency of the output end, and the second encoder 10 is used to obtain the current first altitude angle of the output end;

[0041] The controller 13 is used to obtain a target light intensity for detecting defects of a target object and a current output light intensity of the output end, and when the current output light intensity does not match the target light intensity, determine the attenuation to be adjusted of the adjustable optical fiber attenuator 4 according to the target light intensity; obtain a first center coordinate of a target light spot and a second center coordinate of a preset irradiation area on the surface of the target object, and determine the displacement to be adjusted of the output end based on the difference between the first center coordinate and the second center coordinate; the target light spot is a light spot formed by the current output light signal of the output end irradiating the target object; obtain a current first elevation angle and a first preset elevation angle of the output end, and determine the elevation angle to be adjusted of the output end based on the difference between the first preset elevation angle and the first elevation angle; adjust the light output of the optical fiber assembly based on the elevation angle to be adjusted, the displacement to be adjusted, and the attenuation to be adjusted to obtain an adjusted output light intensity, and change the coordinates of the target light spot, wherein the output light intensity and the coordinates of the target light spot are both excitation parameters.

[0042] A computer-readable storage medium stores a computer program, which implements the steps of the above embodiment when executed by a processor.

[0043] The light output adjustment method, system, computer equipment and medium of the above-mentioned parameter-controllable concentrating solar energy excitation device obtains the target light intensity for detecting defects of the target object and the current output light intensity of the output end. When the current output light intensity does not match the target light intensity, the attenuation to be adjusted of the adjustable optical fiber attenuator is determined according to the target light intensity, the first center coordinate of the target light spot and the second center coordinate of the preset irradiation area on the surface of the target object are obtained, and the displacement to be adjusted of the output end is determined based on the difference between the first center coordinate and the second center coordinate; the target light spot is the light spot formed by the current output light signal of the output end irradiating the target object, the current first elevation angle and the first preset elevation angle of the output end are obtained, and the elevation angle to be adjusted of the output end is determined based on the difference between the first preset elevation angle and the first elevation angle. In this way, the light output of the optical fiber component can be adjusted based on the elevation angle to be adjusted, the displacement to be adjusted and the attenuation to be adjusted, and the position of the light spot irradiated on the target object by the light signal output from the output end is changed to form a movable light spot on the target object, thereby realizing free adjustment of the excitation parameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 A diagram illustrating an application environment of a method for adjusting light output of a parameter-controllable concentrated solar energy excitation device according to an embodiment;

[0045] Figure 2 1. A flow chart of a method for adjusting light output of a parameter-controllable concentrated solar energy excitation device according to an embodiment;

[0046] Figure 3 is a schematic diagram of vertical incidence in one embodiment;

[0047] Figure 4 is a schematic diagram of oblique incidence in one embodiment;

[0048] Figure 5 is a schematic diagram of a preset irradiation area in one embodiment;

[0049] Figure 6 Schematic diagram of a funnel-shaped light focusing device in one embodiment;

[0050] Figure 7 A structural block diagram of a light output adjustment system of a parameter-controllable concentrated solar energy excitation device in one embodiment;

[0051] Figure 8 A schematic structural diagram of a concentrated solar energy excitation device according to an embodiment;

[0052] Figure 9 FIG. 1 is a diagram showing the internal structure of a computer device in one embodiment.

[0053] Figure numerals: 1. Photoelectric sensor; 2. Focusing module; 3. Optical coupler; 4. Adjustable fiber optic attenuator; 5. Fiber optic array; 6. Light intensity sensor; 7. Temperature sensor; 8. Replaceable microlens array; 9. Light output frequency controller; 10. Second encoder; 11. Fiber optic bundle manipulation mechanism; 12. Carrying device; 13. Controller; 14. Light tracking mechanism; 15. First encoder. DETAILED DESCRIPTION

[0054] In order to make the purpose, technical solutions and advantages of this application more clear, the following further describes this application in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0055] The light output adjustment method of the optical fiber parameter controllable concentrated solar energy excitation device provided in the embodiment of the present application can be applied to Figure 1 In the application environment shown. Among them, the concentrated solar energy excitation device includes an optical fiber assembly, and the optical fiber assembly includes an adjustable optical fiber attenuator and an output end. S1. Obtain the target light intensity for detecting defects of the target object and the current output light intensity of the output end. When the current output light intensity does not match the target light intensity, determine the attenuation of the adjustable optical fiber attenuator to be adjusted according to the target light intensity; S2. Obtain the first center coordinate of the target light spot and the second center coordinate of the preset irradiation area on the surface of the target object, and determine the displacement to be adjusted of the output end based on the difference between the first center coordinate and the second center coordinate; the target light spot is the light spot formed by the current output light signal of the output end irradiating the target object; S3. Obtain the current first elevation angle and the first preset elevation angle of the output end, and determine the elevation angle to be adjusted of the output end based on the difference between the first preset elevation angle and the first elevation angle; S4. Adjust the light output of the optical fiber assembly based on the elevation angle to be adjusted, the displacement to be adjusted and the attenuation to be adjusted to obtain the adjusted output light intensity, and change the coordinates of the target light spot. The output light intensity and the coordinates of the target light spot are both excitation parameters.

[0056] In one embodiment, Figure 2 As shown, a method for adjusting the light output of a parameter-controllable concentrated solar energy excitation device is provided, and the method is applied to Figure 1 Taking the concentrated solar energy excitation device in the example as an example, the concentrated solar energy excitation device includes an optical fiber component, the optical fiber component includes an adjustable optical fiber attenuator and an output end, and the light output adjustment method of the parameter-controllable concentrated solar energy excitation device includes the following steps:

[0057] S1. Obtain a target light intensity for detecting defects of a target object and a current output light intensity at an output end. When the current output light intensity does not match the target light intensity, determine an attenuation to be adjusted of an adjustable optical fiber attenuator according to the target light intensity.

[0058] The target object is an object for which defects can be detected using the optical signal output by the parameter-controllable concentrated solar energy excitation device as an excitation source. For example, when inspecting defects on wind turbine blades, the optical signal emitted by the parameter-controllable concentrated solar energy excitation device is used as the excitation source. Defects are identified by the thermal effect generated by the blades after absorption and the subsequent temperature change.

[0059] Target light intensity refers to the light signal intensity required to detect defects on a target object. Furthermore, the target light intensity can be determined based on the material properties of the target object and / or the type of defect. For example, for objects with highly reflective surfaces, lower light intensity is required to avoid overexposure; whereas for darker or more light-absorbing materials, higher light intensity is required to achieve sufficient contrast.

[0060] The current output light intensity refers to the intensity of the optical signal currently output by the output end of the optical fiber assembly. Further, if the difference between the current output light intensity and the target light intensity is greater than a first preset value, it can be determined that the current output light intensity does not match the target light intensity.

[0061] The attenuation to be adjusted can be used to adjust the output light intensity of the output end, that is, to adjust the intensity of the output optical signal at the output end. The formula for determining the attenuation to be adjusted of the adjustable optical fiber attenuator based on the target light intensity is: , where I out is the target light intensity, I in is the incident light intensity transmitted to the optical fiber component, and α is the attenuation to be adjusted. out and the incident light intensity I in Substitute into the formula In the actual scenario, due to the inevitable light intensity attenuation of the optical fiber component, when the output light intensity of the output end is adjusted by the attenuation to be adjusted, the output light intensity of the output end will be lower than the target light intensity.

[0062] S2. Obtain a first center coordinate of the target light spot and a second center coordinate of a preset irradiation area on the surface of the target object, and determine the displacement to be adjusted of the output end based on the difference between the first center coordinate and the second center coordinate; the target light spot is a light spot formed when the current output light signal of the output end is irradiated onto the target object.

[0063] The surface of the target object is perpendicular to the horizontal plane, and the horizontal plane is parallel to the normal of the surface of the object. The current output light signal of the output end can be irradiated vertically to the target object or obliquely to the target object. Specifically, the schematic diagram of the current output light signal of the output end irradiating the target object vertically is as follows: Figure 3 As shown, the current output light signal at the output end is obliquely incident on the target object. Figure 4 As shown. currentis the first altitude angle of the output end.

[0064] The second center coordinate is the geometric center coordinate of the preset irradiation area on the surface of the target object. The preset irradiation area is an area pre-planned on the surface of the target object. The first center coordinate and the second center coordinate are both two-dimensional coordinates. In one embodiment, the number of planned preset irradiation areas is multiple. When performing defect detection on the target object, the first center coordinate of the target light spot and the second center coordinate of each preset irradiation area on the surface of the target object will be matched according to the preset path, so that the light signal can be irradiated to each preset irradiation area. Among them, each preset irradiation area is in the same coordinate system. Figure 5 As shown, the arrow points to the preset path, and the circular area is the preset irradiation area.

[0065] The first center coordinate can be the geometric center coordinate of the target light spot, or the center coordinate of the minimum enclosing circle or the center coordinate of the minimum enclosing rectangle of the target light spot. Furthermore, when the light spot is presented in the form of a digital image, the gray value I (x, y) of each pixel in the light spot image is obtained, and the geometric center coordinate (x, y) is calculated based on the gray value of each pixel. c ,y c ), the specific formula is, , where x and y are the coordinates of the pixel in the spot image. Further, the center coordinates of the minimum enclosing rectangle can be calculated based on the coordinates of the lower left corner of the rectangle (x min ,y min ) and the upper right corner coordinate (x max ,y max ) is determined. Specifically, the center coordinates of the rectangle (x center ,y center ) is calculated as .

[0066] The second center coordinates can be determined based on the grayscale value of each pixel in the image of the preset irradiation area. Specifically, the grayscale value of each pixel in the image of the preset irradiation area is obtained, and the second center coordinates are calculated based on the grayscale value of each pixel.

[0067] The displacement to be adjusted includes the displacement of the output end on the X axis and the displacement on the Y axis. Specifically, the displacement on the X axis According to the formula Determine the displacement on the Y axis According to the formula OK, x target is the horizontal coordinate in the second center coordinate, y target is the ordinate in the second center coordinate, x spot is the horizontal coordinate in the first center coordinate, y spot is the vertical coordinate in the first center coordinate.

[0068] The displacement to be adjusted is the displacement of the output end of the fiber optic assembly. When adjusting the displacement of the output end of the fiber optic assembly based on the displacement to be adjusted, the displacement adjustment is performed along an XOY plane parallel to the target surface. This XOY plane is also perpendicular to the normal of the object surface. The target surface is the surface of the target object facing the output end. The origin of the coordinate system corresponding to this XOY plane can be the center of the output end. During the displacement adjustment, the angle between the output end and the horizontal plane does not change.

[0069] S3. Acquire a current first elevation angle and a first preset elevation angle of the output end, and determine the elevation angle to be adjusted of the output end based on a difference between the first preset elevation angle and the first elevation angle.

[0070] The first elevation angle is the angle between the output end and the horizontal plane. The first elevation angle can be obtained by feedback from a second encoder in the optical fiber assembly, i.e., the first elevation angle is measured by the second encoder. The second encoder can be an absolute encoder.

[0071] The first preset elevation angle is an elevation angle required for the light signal output from the output end to illuminate a preset illumination area of ​​the target object.

[0072] The elevation angle to be adjusted is the difference between the first preset elevation angle and the first elevation angle.

[0073] S4. Based on the height angle to be adjusted, the displacement to be adjusted, and the attenuation to be adjusted, the light output of the optical fiber component is adjusted to obtain the adjusted output light intensity, and the coordinates of the target light spot are changed. The output light intensity and the coordinates of the target light spot are both excitation parameters.

[0074] Based on the elevation angle to be adjusted, the elevation angle of the output terminal is adjusted to match the first preset elevation angle, i.e., the difference between the elevation angle of the output terminal and the first preset elevation angle is less than a first threshold. Based on the displacement to be adjusted, the position of the output terminal is adjusted to change the coordinates of the target light spot, i.e., to change the first center coordinate of the target light spot, so that the first center coordinate and the second center coordinate of the target light spot match, i.e., the difference between the first center coordinate and the second center coordinate is less than a second threshold. Based on the attenuation to be adjusted, the intensity of the optical signal output by the output terminal is adjusted to match the target light intensity. By adjusting the elevation angle and position of the output terminal, a movable heating area can be formed on the target object, facilitating subsequent defect detection.

[0075] After adjustment based on the attenuation to be adjusted, the intensity of the optical signal output at the output end is the output light intensity. The output light intensity can be acquired by a light intensity sensor at the output end. By varying the attenuation of the adjustable fiber optic attenuator using the attenuation to be adjusted, the intensity of light transmitted through the optical fiber assembly can be precisely controlled, thereby adjusting the output light intensity at the output end. Specifically, the controller of the concentrated solar power excitation device sends an attenuation adjustment signal to the adjustable fiber optic attenuator, controlling the attenuation level of the adjustable fiber optic attenuator to achieve the desired light output intensity.

[0076] In one embodiment, the concentrated solar power excitation device further includes a fiber bundle manipulation mechanism, which is connected to the controller of the concentrated solar power excitation device and is used to adjust the position of the output end. Specifically, the fiber bundle manipulation mechanism is driven by two mutually perpendicular high-precision stepper motors, which respectively control the position of the output end of the optical fiber assembly in the X and Y directions. For the stepper motor, the displacement is proportional to the number of steps, and the proportional coefficient is , that is, the number of steps N required in the X direction x for , the number of steps N required in the Y direction y for The controller converts the calculated number of steps into a corresponding pulse signal and drives the optical fiber bundle manipulation mechanism to adjust until the first center coordinate matches the first center coordinate, that is, the difference between the first center coordinate and the second center coordinate is less than the second preset value. Furthermore, the optical fiber bundle manipulation mechanism can also adjust the height angle of the output end of the optical fiber assembly by rotating the motor. Specifically, according to the height angle to be adjusted Determine the number of rotation steps N required to adjust the elevation angle of the output end of the fiber optic assembly steps for ,in is the step angle of the stepping motor. The controller outputs a corresponding pulse signal to drive the motor according to the calculated number of rotation steps to control the optical fiber bundle manipulation mechanism to adjust the height angle of the output end.

[0077] The light output adjustment method of the above-mentioned parameter-controllable concentrating solar energy excitation device obtains the target light intensity for detecting defects of the target object and the current output light intensity of the output end. When the current output light intensity does not match the target light intensity, the attenuation to be adjusted of the adjustable optical fiber attenuator is determined according to the target light intensity, the first center coordinate of the target light spot and the second center coordinate of the preset irradiation area on the surface of the target object are obtained, and the displacement to be adjusted of the output end is determined based on the difference between the first center coordinate and the second center coordinate; the target light spot is the light spot formed by the current output light signal of the output end irradiating the target object, the current first elevation angle and the first preset elevation angle of the output end are obtained, and the elevation angle to be adjusted of the output end is determined based on the difference between the first preset elevation angle and the first elevation angle. In this way, the light output of the optical fiber component can be adjusted based on the elevation angle to be adjusted, the displacement to be adjusted and the attenuation to be adjusted, and the position of the light spot of the light signal output from the output end irradiating the target object is changed to form a movable light spot on the target object, thereby realizing free adjustment of the excitation parameters.

[0078] In one embodiment, the concentrated solar energy excitation device further includes a concentrating module, which is used to concentrate sunlight and transmit the concentrated sunlight to the optical fiber assembly. Before step S1, the following steps are also included:

[0079] Get the current azimuth angle and the current second altitude angle of the focusing module.

[0080] Based on the difference between the current azimuth and the preset azimuth, the first azimuth to be adjusted of the focusing module is determined. Based on the difference between the second altitude angle and the second preset altitude angle, the first altitude to be adjusted of the focusing module is determined.

[0081] The current azimuth angle is adjusted based on the first azimuth angle to be adjusted, and the second altitude angle is adjusted based on the first altitude angle to be adjusted, so that the focusing module is aligned with the sun.

[0082] The focusing module includes but is not limited to a funnel-shaped focusing device. Figure 6 As shown, the funnel-type concentrating module is a solar energy utilization module that uses a funnel-shaped concentrating device to focus sunlight onto a smaller area of ​​a receiver. The concentrating device can be a device composed of two-level compound paraboloids stacked together. The function of the concentrating device is to concentrate the incident sunlight into a light beam of a certain intensity so that these light beams can be better transmitted into the optical fiber. The compound parabolic concentrating device can not only concentrate parallel incident sunlight, but also has a good converging effect for some sunlight with a small angle of incidence. The concentrating module is connected to the optical fiber assembly, and the concentrating module transmits the concentrated sunlight to the optical fiber assembly through the connection channel between the concentrating module and the optical fiber assembly. The intensity of the sunlight transmitted to the optical fiber assembly is I in =K×I p , I pis the intensity of the optical signal collected by the focusing module, K is the focusing ratio of the focusing module, I in is the intensity of sunlight transmitted to the optical fiber component, that is, the incident light intensity transmitted to the optical fiber component. p .

[0083] The current azimuth angle of the focusing module refers to the angle between the reference direction and the orientation of the focusing module, and the reference direction may be due north. The second altitude angle is the angle between the current focusing module and the horizontal plane.

[0084] The preset azimuth angle refers to the horizontal angle between the sun and the reference direction at the current time and the current position of the focusing module. The second preset altitude angle is the angle between the sun and the horizontal plane at the current time and the current position of the focusing module.

[0085] The first azimuth angle to be adjusted is the difference between the current azimuth angle and the preset azimuth angle, and the first altitude angle to be adjusted is the difference between the second altitude angle and the second preset altitude angle. The first azimuth angle to be adjusted adjusts the azimuth angle of the focusing module, while the first altitude angle to be adjusted adjusts the altitude angle of the focusing module. By adjusting the azimuth and altitude angles of the focusing module, the intensity of the optical signal collected by the focusing module can be roughly adjusted, so that the focusing module is aligned with the sun, improving the focusing efficiency of the focusing module, thereby changing the intensity of the optical signal transmitted by the focusing module to the optical fiber assembly and adjusting the output light intensity at the output end of the optical fiber assembly.

[0086] In one embodiment, before step S1, the following further comprises: initializing the focusing module. Specifically, the azimuth axis that drives the focusing module to adjust the azimuth angle and the altitude axis that drives the focusing module to adjust the altitude angle are respectively moved to their respective preset reference positions. Furthermore, the readings of the first encoder installed on the azimuth axis and the altitude axis are calibrated to the angle values ​​of the preset reference positions, the first measuring axis of the first encoder is coaxially connected to the azimuth axis, the second measuring axis of the first encoder is coaxially connected to the altitude axis, and the transmission ratios are both 1:1. The first encoder feeds back the current azimuth angle and the first altitude angle of the focusing module. The first encoder can be an absolute encoder.

[0087] In one embodiment, a third drive current signal for adjusting the elevation angle is determined based on the quotient of the first elevation angle to be adjusted divided by the first torque constant of the motor, and a fourth drive current signal for adjusting the azimuth angle is determined based on the quotient of the first azimuth angle to be adjusted divided by the second torque constant of the motor. The third drive current signal and the fourth drive current signal are sent to the motor driver to adjust the light input of the focusing module through the motor. The motor is a device for driving the focusing module to adjust the light input based on the first elevation angle to be adjusted and the first azimuth angle to be adjusted. Specifically, the focusing module is located on a dual-axis mechanical platform. By sending the third drive current signal and the fourth drive current signal to the motor driver, the dual-axis mechanical platform can be driven to adjust the elevation angle and the azimuth angle, thereby driving the focusing module to adjust the elevation angle and the azimuth angle, thereby achieving light input adjustment of the focusing module. The output light intensity at the output end of the optical fiber assembly is related to the light input of the focusing module. Therefore, adjusting the light input of the focusing module can indirectly achieve light output adjustment of the optical fiber assembly.

[0088] In this embodiment, by determining the first azimuth angle to be adjusted of the focusing module based on the difference between the current azimuth angle and the preset azimuth angle, determining the first altitude angle to be adjusted of the focusing module based on the difference between the second altitude angle and the second preset altitude angle, adjusting the current azimuth angle based on the first azimuth angle to be adjusted, and adjusting the second altitude angle based on the first altitude angle to be adjusted, it is possible to achieve coarse adjustment of the intensity of the light signal collected by the focusing module, ensure that the focusing module is facing the sun, ensure the focusing efficiency of the focusing module, change the intensity of the light signal transmitted from the focusing module to the optical fiber assembly, and adjust the output light intensity of the output end of the optical fiber assembly so that the output light intensity of the output end matches the target light intensity.

[0089] In one embodiment, the concentrated solar energy excitation device further includes a concentrating module, which is used to concentrate sunlight and transmit the concentrated sunlight to the optical fiber assembly. After step S4, the following steps are further included:

[0090] When the adjusted output light intensity does not match the target light intensity, a light intensity error is determined based on the difference between the output light intensity and the target light intensity.

[0091] Based on the light intensity error, the control increment is calculated.

[0092] Based on the control increment and the current third elevation angle of the focusing module, a second azimuth angle to be adjusted and a second elevation angle to be adjusted of the focusing module are determined.

[0093] The current azimuth angle of the focusing module is adjusted based on the second azimuth angle to be adjusted, and the third altitude angle is adjusted based on the second altitude angle to be adjusted, so that the output light intensity of the output end matches the target light intensity.

[0094] The calculation formula of the control increment is: .

[0095] in, is the control increment, e is the light intensity error, t is the current time, K p is the scale parameter, K i is the integration parameter, K d is the differential control parameter.

[0096] The adjusted output light intensity does not match the target light intensity when the difference between the adjusted output light intensity and the target light intensity is greater than a first preset value. Furthermore, the light intensity sensor at the output end collects the output light intensity at a preset frequency, for example, 50 times per second.

[0097] Furthermore, the adjusted output light intensity can be the output light intensity obtained by adjusting the light output of the optical fiber component based on the elevation angle to be adjusted, the displacement amount to be adjusted and the attenuation amount to be adjusted, or it can be the output light intensity obtained by adjusting the current azimuth angle based on the first azimuth angle to be adjusted and adjusting the second elevation angle based on the first elevation angle to be adjusted.

[0098] The light intensity error is the difference between the output light intensity and the target light intensity.

[0099] The third elevation angle of the focusing module is the angle between the focusing module and the horizontal plane.

[0100] The second azimuth angle to be adjusted The calculation formula is , the second altitude angle to be adjusted The calculation formula is , θ3 is the third height angle.

[0101] The second azimuth angle to be adjusted adjusts the current azimuth angle of the focusing module, and the second elevation angle to be adjusted adjusts the third elevation angle of the focusing module. Adjusting the current azimuth angle of the focusing module based on the second azimuth angle to be adjusted and adjusting the third elevation angle based on the second elevation angle to be adjusted can be understood as feedback adjustment of the outgoing light to the incoming light. By adjusting the current azimuth angle of sunlight received by the focusing module and the third elevation angle of the focusing module, the intensity of the optical signal collected by the focusing module can be finely adjusted, thereby changing the intensity of the optical signal transmitted from the focusing module to the optical fiber assembly, and adjusting the output light intensity at the output end of the optical fiber assembly to match the target light intensity.

[0102] In this embodiment, by adjusting the current azimuth angle of the focusing module based on the second azimuth angle to be adjusted, and adjusting the third altitude angle based on the second altitude angle to be adjusted, the intensity of the optical signal collected by the focusing module can be further fine-tuned according to the required target light intensity, thereby changing the intensity of the optical signal transmitted from the focusing module to the optical fiber assembly, and adjusting the output light intensity at the output end of the optical fiber assembly so that the output light intensity at the output end matches the target light intensity.

[0103] In one embodiment, the method for obtaining the target light intensity in step S1 includes:

[0104] The material of the target object is determined, and a target material matching the material is obtained from a preset mapping table; the preset mapping table includes multiple materials and the light intensity corresponding to each material.

[0105] The light intensity corresponding to the target material in the preset mapping table is used as the target light intensity.

[0106] Among them, different materials have different thermal conductivity characteristics, and the difference in thermal conductivity will lead to differences in temperature differences. When infrared thermal imaging defect detection is performed using light signals as excitation, it mainly relies on infrared imaging technology and image processing algorithms to identify defects in target objects. Therefore, it is necessary to determine the appropriate target light intensity based on the material of the target object, so that the light intensity irradiated to the target object can be matched with the target light intensity according to the target light intensity, thereby achieving accurate detection of defects in the target object.

[0107] A preset mapping table is a collection of data that includes multiple materials and the corresponding light intensities for each material. This table is primarily used to quickly find and identify the corresponding light intensities for a specific material. The table can be a database, spreadsheet, or other data structure.

[0108] In this embodiment, by determining the material of the target object and obtaining the target material that matches the material from the preset mapping table, the light intensity corresponding to the target material in the preset mapping table is used as the target light intensity. In this way, the target light intensity can be quickly determined so that the output light intensity at the output end matches the target light intensity.

[0109] In one embodiment, the optical fiber assembly includes an output light frequency controller, and after step S4, the method further includes:

[0110] Use the optical frequency controller to adjust the output frequency of the output end; the response time of the optical frequency controller satisfy , f is the switching frequency of the optical frequency controller.

[0111] The optical frequency refers to the frequency of the optical signal output from the output end. The optical frequency is consistent with the switching frequency of the optical frequency controller. Specifically, when a higher-frequency pulsed light is required, the optical frequency controller is increased to increase the optical frequency at the output end. When a lower frequency is required, the optical frequency controller is decreased to reduce the optical frequency at the output end.

[0112] For objects with fast heat conduction characteristics, a higher light output frequency can more clearly observe the heat conduction process of the object; while for objects with slow heat conduction, a lower light output frequency is more conducive to detecting the heat distribution of the object.

[0113] In this embodiment, by setting up a light output frequency controller, the light output frequency of the output end can be adjusted, so that when a higher frequency pulse light is required, the light output frequency of the light output frequency controller can be accelerated to speed up the light output frequency of the output end; when a lower frequency is required, the light output frequency of the light output frequency controller can be slowed down to reduce the light output frequency of the output end.

[0114] In one embodiment, step S4 further includes:

[0115] A target microlens array is selected from a plurality of microlens arrays according to a target shape of the target object.

[0116] The target microlens array is mounted to the output end so that the light spot shape formed when the output light signal from the output end is irradiated to the target object is consistent with the target shape.

[0117] The target microlens array can change the shape of the light signal output from the output end. Specifically, if the target shape is circular, a circular microlens array is used as the target microlens array and is installed at the output end to change the shape of the light signal output from the output end to a circular shape.

[0118] The focal length, aperture, and arrangement of the microlens array determine the shape of the light output. By selecting the appropriate microlens array, different light output shapes and sizes can be achieved.

[0119] In this embodiment, a target microlens array is selected from multiple microlens arrays based on the target object's shape. The target microlens array is then mounted on the output terminal so that the light spot formed by the output light signal from the output terminal irradiating the target object matches the target shape. This allows the output light signal to more effectively stimulate the target object to produce a thermal effect, thereby facilitating defect detection. For example, for a bar-shaped target object, the bar-shaped light output pattern can heat it more evenly; for a square target object, the square light output pattern can better cover the detection area.

[0120] In one embodiment, adjusting the current azimuth angle of the focusing module based on the second azimuth angle to be adjusted, and adjusting the third altitude angle based on the second altitude angle to be adjusted, includes:

[0121] Based on the quotient of the second altitude angle to be adjusted divided by the first torque constant of the motor, a first drive current signal for adjusting the altitude angle is determined; based on the quotient of the second azimuth angle to be adjusted divided by the second torque constant of the motor, a second drive current signal for adjusting the azimuth angle is determined.

[0122] The first driving current signal and the second driving current signal are sent to the driver of the motor, so as to adjust the light input of the focusing module through the motor.

[0123] The motor is a device for driving the focusing module to adjust the light input based on the second elevation angle to be adjusted and the second azimuth angle to be adjusted. Specifically, the focusing module is located on a dual-axis mechanical platform. By sending the first drive current signal and the second drive current signal to the motor driver, the dual-axis mechanical platform can be driven to adjust the elevation angle and azimuth angle, thereby driving the focusing module to adjust the elevation angle and azimuth, thereby achieving light input adjustment of the focusing module. The output light intensity of the output end of the optical fiber assembly is related to the light input of the focusing module. Therefore, adjusting the light input of the focusing module can indirectly achieve light output adjustment of the optical fiber assembly.

[0124] In this embodiment, the first driving current signal for adjusting the elevation angle is determined based on the quotient of the second elevation angle to be adjusted divided by the first torque constant of the motor, and the second driving current signal for adjusting the azimuth angle is determined based on the quotient of the second azimuth angle to be adjusted divided by the second torque constant of the motor. The first driving current signal and the second driving current signal are sent to the driver of the motor, and the elevation angle and azimuth angle of the driven dual-axis mechanical platform can be adjusted, thereby driving the focusing module to adjust the elevation angle and position, realizing the light input adjustment of the focusing module, and indirectly realizing the light output adjustment of the optical fiber component.

[0125] In one embodiment, a temperature sensor is installed at the output end of the optical fiber assembly. The temperature sensor collects the temperature of the current output end at a fixed frequency. When the collected temperature exceeds the preset safe operating temperature of the optical fiber, a warning signal is issued to stop the concentrating solar energy excitation device from working.

[0126] It should be understood that, although the various steps in the flowcharts involved in the various embodiments described above are displayed in sequence according to the instructions of the arrows, these steps are not necessarily executed in sequence in the order indicated by the arrows. Unless otherwise specified herein, there is no strict order restriction on the execution of these steps, and these steps can be executed in other orders. Moreover, at least a portion of the steps in the flowcharts involved in the various embodiments described above can include multiple steps or multiple stages, and these steps or stages are not necessarily executed and completed at the same time, but can be executed at different times, and the execution order of these steps or stages is not necessarily to be carried out in sequence, but can be executed in turn or alternately with other steps or at least a portion of steps or stages in other steps.

[0127] Based on the same inventive concept, the embodiment of the present application also provides a parameter-controllable concentrating solar energy excitation device light output adjustment system for implementing the parameter-controllable concentrating solar energy excitation device light output adjustment method involved above. The implementation solution provided by this system is similar to the implementation solution described in the above method. Therefore, the specific limitations in the embodiments of the light output adjustment system of one or more parameter-controllable concentrating solar energy excitation devices provided below can be referred to the limitations of the light output adjustment method of the parameter-controllable concentrating solar energy excitation device above, and will not be repeated here.

[0128] In one embodiment, Figure 7 As shown, a light output adjustment system for a parameter-controllable concentrated solar energy excitation device is provided, which is applied to the concentrated solar energy excitation device. The concentrated solar energy excitation device includes an optical fiber assembly, which includes an adjustable optical fiber attenuator and an output end. The system includes:

[0129] The attenuation determination module is used to obtain the target light intensity for detecting defects of the target object and the current output light intensity of the output end. When the current output light intensity does not match the target light intensity, the attenuation to be adjusted of the adjustable optical fiber attenuator is determined according to the target light intensity.

[0130] The displacement determination module is used to obtain the first center coordinates of the target light spot and the second center coordinates of the preset irradiation area on the surface of the target object, and determine the displacement to be adjusted at the output end based on the difference between the first center coordinates and the second center coordinates; the target light spot is the light spot formed by the current output light signal of the output end irradiating the target object.

[0131] The angle determination module is used to obtain the current first altitude angle and the first preset altitude angle of the output end, and determine the altitude angle to be adjusted of the output end based on the difference between the first preset altitude angle and the first altitude angle.

[0132] The adjustment module is used to adjust the light output of the optical fiber component based on the height angle to be adjusted, the displacement to be adjusted, and the attenuation to be adjusted, to obtain the adjusted output light intensity and change the coordinates of the target light spot. The output light intensity and the coordinates of the target light spot are both excitation parameters.

[0133] Each module in the light output adjustment system of the parameter-controllable concentrated solar energy excitation device can be implemented in whole or in part through software, hardware, or a combination thereof. Each module can be embedded in or independent of a processor in a computer device in the form of hardware, or can be stored in a memory in the computer device in the form of software, so that the processor can call and execute the corresponding operations of each module.

[0134] In one embodiment, Figure 8 As shown, a concentrated solar energy excitation device is provided, which includes a concentrating module 2, a light tracking mechanism 14, and an optical fiber assembly;

[0135] The light-chasing mechanism 14 includes a controller 13, a motor, a biaxial mechanical platform, and a first encoder 15. The controller 13, the motor, the biaxial mechanical platform, and the first encoder 15 are electrically connected. The first encoder 15 is used to obtain the current azimuth angle and the second elevation angle of the focusing module.

[0136] The focusing module 2 includes a receiving end and a photoelectric sensor 1 installed at the receiving end. The focusing module 2 is located on the dual-axis mechanical platform. The receiving end is used to receive sunlight. The photoelectric sensor 1 is used to convert the captured light signal into an electrical signal and transmit it to the controller 13 to drive the motor to drive the dual-axis mechanical platform to rotate.

[0137] The optical fiber assembly includes an optical fiber array 5, an optical coupler 3, an adjustable optical fiber attenuator 4, an optical fiber bundle manipulation mechanism 11, a light intensity sensor 6, a temperature sensor 7, a replaceable microlens array 8, an output light frequency controller 9, a second encoder 10, and an output end; the optical fiber array 5 is coupled to the light outlet of the focusing module 2 through the optical coupler 3, the light intensity sensor 6 and the temperature sensor 7 are used to collect the output light intensity and temperature of the output end in real time, the adjustable optical fiber attenuator 4 is used to adjust the output light intensity of the output end, the optical fiber bundle manipulation mechanism 8 is connected to the controller 13 to adjust the position of the output end; the replaceable microlens array 8 is used to adjust the light spot shape output from the output end, the output light frequency controller 9 is used to adjust the output light frequency of the output end, and the second encoder 10 is used to obtain the current first altitude angle of the output end;

[0138] The controller 13 is used to obtain the target light intensity for detecting defects of the target object and the current output light intensity of the output end, and when the current output light intensity does not match the target light intensity, determine the attenuation to be adjusted of the adjustable optical fiber attenuator 4 according to the target light intensity; obtain the first center coordinates of the target light spot and the second center coordinates of the preset irradiation area on the surface of the target object, and determine the displacement to be adjusted of the output end based on the difference between the first center coordinates and the second center coordinates; the target light spot is the light spot formed by the current output light signal of the output end irradiating the target object; obtain the current first elevation angle and the first preset elevation angle of the output end, and determine the elevation angle to be adjusted of the output end based on the difference between the first preset elevation angle and the first elevation angle; adjust the light output of the optical fiber component based on the elevation angle to be adjusted, the displacement to be adjusted and the attenuation to be adjusted to obtain the adjusted output light intensity, and change the coordinates of the target light spot, where the output light intensity and the coordinates of the target light spot are both excitation parameters.

[0139] In one embodiment, the concentrated solar energy excitation device is placed on a carrying device 12, and the bottom of the carrying device 12 has rotatable casters. By controlling the rotation of the casters of the carrying device 12, the carrying device 12 can be moved, thereby driving the concentrated solar energy excitation device to move.

[0140] In one embodiment, a computer device is provided. The computer device may be a server, and its internal structure diagram may be as follows: Figure 9 As shown. The computer device includes a processor, a memory and a network interface connected through a system bus. The processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store target light intensity, current output light intensity, attenuation to be adjusted, first center coordinates, second center coordinates, first altitude angle, first preset altitude angle, altitude angle to be adjusted, displacement to be adjusted, and output light intensity. The network interface of the computer device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, a light output adjustment method of a parameter-controllable concentrating solar energy incentive device is realized.

[0141] Those skilled in the art will understand that Figure 9 The structure shown in the figure is only a block diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied. The specific computer device may include more or fewer components than shown in the figure, or combine certain components, or have a different component arrangement.

[0142] In one embodiment, a computer device is further provided, including a memory and a processor. The memory stores a computer program, and the processor implements the steps in the above method embodiments when executing the computer program.

[0143] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the steps in the above-mentioned method embodiments are implemented.

[0144] In one embodiment, a computer program product is provided, including a computer program, which implements the steps in the above method embodiments when executed by a processor.

[0145] Those skilled in the art will appreciate that all or part of the processes in the above-mentioned embodiments can be implemented by instructing the relevant hardware through a computer program. The computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the above-mentioned embodiments. In particular, any reference to memory, database, or other media used in the embodiments provided in this application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetic random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. By way of illustration and not limitation, RAM can take various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM). The databases involved in the various embodiments provided herein may include at least one of a relational database and a non-relational database. Non-relational databases may include, but are not limited to, distributed databases based on blockchains. The processors involved in the various embodiments provided herein may be, but are not limited to, general-purpose processors, central processing units (CPUs), graphics processing units (GPUs), digital signal processors (DSPs), programmable logic devices (PLDs), data processing logic devices based on quantum computing, and the like.

[0146] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0147] The above-described embodiments merely represent several implementation methods of the present application. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present application. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the spirit of the present application, and these modifications and improvements fall within the scope of protection of the present application. Therefore, the scope of protection of the present application shall be determined by the appended claims.

Claims

1. A method for adjusting light output of a parameter-controllable concentrated solar energy excitation device, applied to the concentrated solar energy excitation device, wherein the concentrated solar energy excitation device includes an optical fiber assembly, the optical fiber assembly includes an adjustable optical fiber attenuator and an output end, characterized in that: The method comprises: S1. Obtaining a target light intensity for detecting defects of a target object and a current output light intensity of the output end, and determining an attenuation to be adjusted of the adjustable optical fiber attenuator according to the target light intensity when the current output light intensity does not match the target light intensity; S2. Obtaining a first center coordinate of a target light spot and a second center coordinate of a preset irradiation area on the surface of the target object, and determining an amount of displacement to be adjusted of the output end based on a difference between the first center coordinate and the second center coordinate; the target light spot is a light spot formed when the current output light signal of the output end irradiates the target object; S3, obtaining a current first elevation angle and a first preset elevation angle of the output end, and determining the elevation angle to be adjusted of the output end based on a difference between the first preset elevation angle and the first elevation angle; S4. Based on the elevation angle to be adjusted, the displacement to be adjusted, and the attenuation to be adjusted, adjust the light output of the optical fiber assembly to obtain an adjusted output light intensity, and change the coordinates of the target light spot; the output light intensity and the coordinates of the target light spot are both excitation parameters.

2. The method according to claim 1, characterized in that The concentrated solar energy excitation device further includes a concentrating module, which is used to concentrate sunlight and transmit the concentrated sunlight to the optical fiber assembly. Before step S1, the following steps are also included: Obtaining the current azimuth angle and the current second altitude angle of the focusing module; Determining a first azimuth angle to be adjusted of the focusing module based on a difference between the current azimuth angle and a preset azimuth angle, and determining a first elevation angle to be adjusted of the focusing module based on a difference between the second elevation angle and a second preset elevation angle; The current azimuth angle is adjusted based on the first azimuth angle to be adjusted, and the second altitude angle is adjusted based on the first altitude angle to be adjusted, so that the focusing module is aligned with the sun.

3. The method according to claim 1 or 2, characterized in that The concentrated solar energy excitation device further includes a concentrating module, which is used to concentrate sunlight and transmit the concentrated sunlight to the optical fiber assembly. After step S4, the following steps are further included: When the adjusted output light intensity does not match the target light intensity, determining a light intensity error based on a difference between the output light intensity and the target light intensity; calculating a control increment based on the light intensity error; Determining a second azimuth angle to be adjusted and a second elevation angle to be adjusted of the focusing module based on the control increment and the current third elevation angle of the focusing module; adjusting the current azimuth angle of the focusing module based on the second azimuth angle to be adjusted, and adjusting the third altitude angle based on the second altitude angle to be adjusted, so that the output light intensity of the output end matches the target light intensity; The calculation formula of the control increment is: ， in, is the control increment, e is the light intensity error, t is the current time, K p is the scale parameter, K i is the integration parameter, K d is the differential control parameter.

4. The method according to claim 3, characterized in that The adjusting the current azimuth angle of the focusing module based on the second azimuth angle to be adjusted, and adjusting the third altitude angle based on the second altitude angle to be adjusted, includes: Determining a first drive current signal for adjusting the altitude angle based on a quotient of the second altitude angle to be adjusted divided by a first torque constant of the motor, and determining a second drive current signal for adjusting the azimuth angle based on a quotient of the second azimuth angle to be adjusted divided by a second torque constant of the motor; The first driving current signal and the second driving current signal are sent to the driver of the motor, so as to adjust the light input of the focusing module through the motor.

5. The method according to claim 1, wherein The method for obtaining the target light intensity in step S1 includes: Determine the material of the target object and obtain a target material that matches the material from a preset mapping table; the preset mapping table includes multiple materials and the light intensity corresponding to each material; The light intensity corresponding to the target material in the preset mapping table is used as the target light intensity.

6. The method according to claim 1, wherein The optical fiber assembly includes an output light frequency controller, and after step S4, the following steps are further included: The light frequency controller is used to adjust the light frequency of the output end; the response time of the light frequency controller is satisfy , f is the switching frequency of the light output frequency controller.

7. The method according to claim 1 or 6, characterized in that After step S4, the following steps are also included: selecting a target microlens array from a plurality of microlens arrays according to a target shape of the target object; The target microlens array is mounted to the output end so that the light spot shape formed when the output light signal of the output end is irradiated onto the target object is consistent with the target shape.

8. A light output adjustment system for a parameter-controllable concentrated solar energy excitation device, applied to the concentrated solar energy excitation device, wherein the concentrated solar energy excitation device includes an optical fiber assembly, the optical fiber assembly includes an adjustable optical fiber attenuator and an output end, characterized in that: The system comprises: an attenuation determination module, configured to obtain a target light intensity for detecting defects of a target object and a current output light intensity of the output end, and determine an attenuation to be adjusted of the adjustable optical fiber attenuator according to the target light intensity when the current output light intensity does not match the target light intensity; a displacement determination module, configured to obtain a first center coordinate of a target light spot and a second center coordinate of a preset irradiation area on the surface of the target object, and determine a displacement to be adjusted of the output end based on a difference between the first center coordinate and the second center coordinate; the target light spot is a light spot formed by the current output light signal of the output end irradiating the target object; an angle determination module, configured to obtain a current first elevation angle and a first preset elevation angle of the output end, and determine the elevation angle to be adjusted of the output end based on a difference between the first preset elevation angle and the first elevation angle; An adjustment module is used to adjust the light output of the optical fiber component based on the elevation angle to be adjusted, the displacement to be adjusted, and the attenuation to be adjusted, to obtain the adjusted output light intensity, and to change the coordinates of the target light spot, where the output light intensity and the coordinates of the target light spot are both excitation parameters.

9. A concentrated solar energy excitation device, characterized in that: The concentrated solar energy excitation device comprises a focusing module (2), a light-chasing mechanism (14), and an optical fiber assembly; The light-chasing mechanism (14) comprises a controller (13), a motor, a dual-axis mechanical platform, and a first encoder (15); the controller (13), the motor, the dual-axis mechanical platform, and the first encoder (15) are electrically connected; the first encoder (15) is used to obtain the current azimuth angle and the second elevation angle of the focusing module; The light-concentrating module (2) comprises a receiving end and a photoelectric sensor (1) mounted on the receiving end. The light-concentrating module (2) is located on the dual-axis mechanical platform. The receiving end is used to receive sunlight. The photoelectric sensor (1) is used to convert the captured light signal into an electrical signal and transmit it to the controller (13) to drive the motor and drive the dual-axis mechanical platform to rotate. The optical fiber assembly comprises an optical fiber array (5), an optical coupler (3), an adjustable optical fiber attenuator (4), an optical fiber bundle manipulation mechanism (11), a light intensity sensor (6), a temperature sensor (7), a replaceable microlens array (8), an output light frequency controller (9), a second encoder (10), and an output end; the optical fiber array (5) is coupled to the light outlet of the focusing module (2) through the optical coupler (3); the light intensity sensor (6) and the temperature sensor (7) are used to collect the output light intensity and temperature of the output end in real time; the adjustable optical fiber attenuator (4) is used to adjust the output light intensity of the output end; the optical fiber bundle manipulation mechanism (11) is connected to the controller (13) and is used to adjust the position of the output end; the replaceable microlens array (8) is used to adjust the light spot shape output from the output end; the output light frequency controller (9) is used to adjust the output light frequency of the output end; and the second encoder (10) is used to obtain the current first elevation angle of the output end; The controller (13) is used to obtain a target light intensity for detecting defects of a target object and a current output light intensity of the output end, and when the current output light intensity does not match the target light intensity, determine the attenuation to be adjusted of the adjustable optical fiber attenuator (4) according to the target light intensity; obtain a first center coordinate of a target light spot and a second center coordinate of a preset irradiation area on the surface of the target object, and determine the displacement to be adjusted of the output end based on the difference between the first center coordinate and the second center coordinate; the target light spot is a light spot formed by the current output light signal of the output end irradiating the target object; obtain a current first elevation angle and a first preset elevation angle of the output end, and determine the elevation angle to be adjusted of the output end based on the difference between the first preset elevation angle and the first elevation angle; adjust the light output of the optical fiber component based on the elevation angle to be adjusted, the displacement to be adjusted, and the attenuation to be adjusted to obtain an adjusted output light intensity, and change the coordinates of the target light spot, wherein the output light intensity and the coordinates of the target light spot are both excitation parameters.

10. A computer-readable storage medium, characterized in that The device stores a computer program, which implements the steps of the method according to any one of claims 1 to 7 when executed by a processor.

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