CN117175556A - Photovoltaic power supply management system - Google Patents
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- 230000005855 radiation Effects 0.000 claims abstract description 75
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- 238000007781 pre-processing Methods 0.000 description 5
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Abstract
The invention discloses a photovoltaic power supply management system, which comprises an environment detection module, a control module and a control module, wherein the environment detection module is used for detecting radiation intensity; the data acquisition module acquires environmental point cloud data and running speed; the identification module converts the environmental point cloud data into a three-dimensional shelter image; the similarity calculation module outputs the transmittance of the shielding object; the shielding simulation module simulates to obtain a non-shielding area; the radiation calculation module inputs the non-shielding area, the radiation intensity and the shielding object transmissivity into a radiation prediction formula to obtain predicted radiation intensity; the power detection module detects the total power of electricity; the processing module processes the estimated power according to the estimated radiation intensity to obtain the estimated power according to the estimated distance and the estimated speed, and generates a power supply adjustment instruction according to the total power of the power and the estimated power; the controller and the storage battery pre-adjust the power supply to the power supply circuit according to the power supply adjustment instruction and the expected arrival time. The invention realizes the advanced adjustment of the output power of the power supply circuit according to the external environment change.
Description
Technical Field
The invention relates to the technical field of photovoltaic power generation and caravan, in particular to a photovoltaic power supply management system.
Background
Photovoltaic power generation is a technology that uses the photovoltaic effect of a semiconductor interface to directly convert light energy into electrical energy. The solar energy power generation system mainly comprises three parts of a solar panel, a controller and an inverter, and the main parts comprise electronic components. The solar cells are packaged and protected after being connected in series to form a large-area solar cell module, and then the solar cell module is matched with components such as a power controller and the like to form the photovoltaic power generation device. The motor home belongs to a motor home, has two functions of a motor home and a motor car, and is a movable motor home with necessary basic facilities at home. The inside a large amount of electrical apparatus that is equipped with of car as a house, in order to satisfy the power consumption demand of each electrical apparatus in the car as a house, except set up the battery in the car as a house, still set up solar cell panel and carry out photovoltaic power generation at the roof of car as a house, charge the battery with the direct current that solar cell panel sent through the control of controller, another part is converted into alternating current through the dc-to-ac converter and is used for electrical apparatus in the car as a house. The motor home can pass through different road sections in the running process and experience different environmental weather, so that the solar radiation received by the solar cell panel arranged on the roof can also change along with the solar radiation, and the solar power supply of corresponding electric appliances in the motor home can also be influenced. When the instantaneous power supply of the electric appliance in the motor home is unstable, the use experience of the electric appliance can be influenced, and even the service life of the electric appliance is influenced.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a photovoltaic power supply management system which is used for adjusting the output power of a power supply circuit in advance according to the change of the external environment and prolonging the service life of electric appliances in a motor home.
In order to achieve the above purpose, the present invention provides the following technical solutions: a photovoltaic power supply management system comprising:
the environment detection module is used for detecting the current radiation intensity on the solar panel in real time;
the data acquisition module is used for acquiring environmental point cloud data at a preset distance in front of the limo and the running speed of the limo in real time;
the identification module is connected with the data acquisition module and used for converting the environmental point cloud data into a three-dimensional shelter image;
the storage module is used for storing a plurality of model images, and each model image is associated with a corresponding model transmissivity;
the similarity calculation module is respectively connected with the identification module and the storage module and is used for calculating the image similarity between the three-dimensional shelter image and each model image, and outputting the corresponding model transmittance as shelter transmittance when the image similarity is larger than a preset similarity threshold value;
the shielding simulation module is respectively connected with the similarity calculation module and the identification module and is used for simulating the non-shielding area on the solar panel when the caravan runs below the three-dimensional shielding object image along a preset route;
the radiation calculation module is respectively connected with the shielding simulation module, the environment detection module and the similarity calculation module and is used for inputting the non-shielding area, the current radiation intensity and the shielding object transmissivity into a preset radiation prediction formula to obtain predicted radiation intensity;
the power detection module is used for detecting the total power of electricity consumption of the electric appliances in the motor home in real time;
the processing module is respectively connected with the radiation calculation module, the power detection module and the data acquisition module and is used for processing according to the preset distance and the running speed to obtain the predicted arrival time, predicting according to the predicted radiation intensity to obtain the predicted power generation power, and further generating a power supply adjustment instruction according to the total power of electricity and the predicted power generation power;
the electric power supply system is characterized in that a power supply circuit for supplying power to internal electric appliances is arranged in the motor home, the power supply circuit is connected with a controller and an inverter, the controller is connected with the inverter and is connected with the processing module, and the power supply circuit is used for pre-adjusting the power supply power according to the power supply adjusting instruction and the expected arrival time, so that the output power of the power supply circuit is not less than the total power of the power.
Further, the three-dimensional shelter image comprises shape features and color features, and the model image comprises model shapes and model colors;
the similarity calculation module comprises:
a first calculation unit configured to calculate a first similarity between the shape feature and each of the model shapes, and calculate a second similarity between the color feature and each of the model colors;
the second calculation unit is connected with the first calculation unit and is used for inputting the first similarity and the corresponding second similarity into a preset similarity calculation formula, and calculating to obtain the image similarity.
Further, the similarity calculation formula is configured to:
I s for representing the image similarity;
S i1 for representing the first similarity;
S i2 for representing the second similarity;
k 1 、k 2 respectively used for representing a preset first similarity coefficient and a preset second similarity coefficient.
Further, the occlusion simulation module comprises:
the construction unit is used for constructing a three-dimensional model of the motor home according to the shape parameters of the motor home and setting the three-dimensional model of the motor home, the preset route and the three-dimensional shelter image in the same three-dimensional coordinate system;
and the shielding simulation unit is connected with the construction unit and is used for simulating a scene of the three-dimensional model of the caravan moving to the position right below the three-dimensional shielding object image along the preset route, calculating the projection area of the lower end face of the three-dimensional shielding object image projected to the upper end face of the three-dimensional model of the caravan when the three-dimensional model of the caravan is positioned right below the three-dimensional shielding object image, and calculating the non-shielding area according to the projection area.
Further, the radiation prediction formula is configured to:
P ri ＝O r R ai B ti
wherein P is ri For representing the predicted radiation intensity;
O r for representing the occlusion proportion;
P a for representing the projected area;
S a for representing the unobstructed area;
R ai for representing the radiation intensity;
B ti for representing the shutter transmissivity.
Further, the environment detection module is further used for detecting and obtaining a plurality of influence parameters in real time, wherein the influence parameters comprise the inclination angle and dust thickness of the solar panel, the environment temperature and the loss degree of the photovoltaic module;
the processing module comprises:
the first processing unit is used for processing according to the preset distance and the preset route to obtain an actual distance, and processing according to the actual distance and the running speed to obtain the expected arrival time;
the second processing unit is used for introducing an initial model, taking a plurality of standard characteristic data and standard radiation intensity in the training set as input, taking corresponding standard generated power as output, and retraining the initial model to obtain a radiation prediction model;
and the prediction unit is connected with the second processing unit and is used for inputting each influence parameter and the predicted radiation intensity into the radiation prediction model to obtain the predicted power generation.
Further, the environment detection module is further used for detecting running acceleration and a plurality of wind resistance parameters in real time when the caravan runs, wherein the wind resistance parameters comprise real-time wind direction and real-time wind speed; the first processing unit includes:
the wind resistance calculation subunit is used for calculating wind resistance acceleration according to the current running speed and the corresponding wind resistance parameter;
and the comprehensive calculation subunit is connected with the wind resistance calculation subunit and is used for calculating and obtaining comprehensive acceleration according to the wind resistance acceleration and the running acceleration, and calculating and obtaining the expected arrival time according to the actual distance, the comprehensive acceleration and the running speed.
Further, the power supply adjustment instruction includes a first adjustment instruction and a second adjustment instruction, and the processing module further includes an instruction generation unit connected to the prediction unit, the instruction generation unit being configured to generate the first adjustment instruction when the total power of electricity is not greater than the predicted generated power, and generate the second adjustment instruction when the total power of electricity is greater than the predicted generated power;
the controller pre-adjusts the power supply power of the power supply circuit in the expected arrival time according to the first adjustment instruction so that the output power of the power supply circuit is not less than the total power of the power;
the controller and the inverter synchronously pre-adjust the power supply to the power supply circuit in the expected arrival time according to the second adjustment instruction so that the output power of the power supply circuit is not less than the total power of electricity.
Further, the processing module further comprises a correction unit connected with the second processing unit, and is used for inputting a plurality of standard characteristic data and the standard radiation intensity in the test set into the radiation prediction model to obtain the predicted power, calculating to obtain the prediction accuracy according to each of the predicted power and each of the standard power in the test set, adjusting the super parameters of the radiation prediction model when the prediction accuracy is not greater than a preset accuracy threshold, retraining again until the prediction accuracy is greater than the preset accuracy threshold, and outputting the corrected radiation prediction model.
The invention has the beneficial effects that:
according to the method, the cloud data of the environmental points of the motor home and the current radiation intensity on the solar panel are collected, the cloud data of the environmental points are processed to obtain the transmittance and the non-shielding area of the shielding object, the predicted radiation intensity is obtained through calculation according to the non-shielding area, the current radiation intensity and the transmittance of the shielding object, the predicted power generation power is obtained through prediction according to the predicted radiation intensity, the power supply adjusting instruction is generated according to the predicted power generation power and the current total power of power utilization, the controller and the inverter adjust the power supply to the power supply circuit in advance according to the power supply adjusting instruction and the calculated predicted arrival time, so that the output power of the power supply circuit is not smaller than the total power of power utilization, the output power of the power supply circuit to the internal electric appliances can be advanced before the power generation power of the solar panel changes due to the external environment changes, the effect of the external environment changes on the power utilization of the internal electric appliances of the motor home is effectively reduced, and the service life and experience of the internal electric appliances of the motor home are prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic power supply management system according to the present invention.
Reference numerals: 1. an environment detection module; 2. a data acquisition module; 3. an identification module; 4. a storage module; 5. a similarity calculation module; 51. a first calculation unit; 52. a second calculation unit; 6. a shielding simulation module; 61. a construction unit; 62. a shielding simulation unit; 7. a radiation calculation module; 8. a power detection module; 9. a processing module; 91. a first processing unit; 911. a wind resistance calculation subunit; 912. a comprehensive calculation subunit; 92. a second processing unit; 93. a prediction unit; 94. an instruction generation unit; 95. a correction unit; 10. a power supply circuit; 11. a controller; 12. an inverter.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, the present embodiment provides a photovoltaic power supply management system, including:
the environment detection module 1 is used for detecting the current radiation intensity on the solar panel in real time;
the data acquisition module 2 is used for acquiring the environmental point cloud data at a preset distance in front of the limo and the running speed of the limo in real time;
the identification module 3 is connected with the data acquisition module 2 and is used for converting the environmental point cloud data into a three-dimensional shelter image;
the storage module 4 is used for storing a plurality of model images, and each model image is associated with a corresponding model transmissivity;
the similarity calculation module 5 is respectively connected with the identification module 3 and the storage module 4 and is used for calculating the image similarity between the three-dimensional shelter image and each model image, and outputting the corresponding model transmittance as shelter transmittance when the image similarity is larger than a preset similarity threshold value;
the shielding simulation module 6 is respectively connected with the similarity calculation module 5 and the identification module 3 and is used for simulating the non-shielding area on the solar panel when the caravan runs below the three-dimensional shielding object image along a preset route;
the radiation calculation module 7 is respectively connected with the shielding simulation module 6, the environment detection module 1 and the similarity calculation module 5 and is used for inputting the non-shielding area, the current radiation intensity and the transmittance of the shielding object into a preset radiation prediction formula to obtain the predicted radiation intensity;
the power detection module 8 is used for detecting the total power of electricity consumption of the electric appliances in the motor home in real time;
the processing module 9 is respectively connected with the radiation calculation module 7, the power detection module 8 and the data acquisition module 2 and is used for processing according to a preset distance and a running speed to obtain a predicted arrival time, predicting according to the predicted radiation intensity to obtain a predicted power generation, and further generating a power supply adjustment instruction according to the total power of electricity and the predicted power generation;
the power supply circuit 10 for supplying power to the internal electrical appliances is arranged in the motor home, the power supply circuit 10 is connected with the controller 11 and the storage battery 12, the controller 11 and the storage battery 12 are connected with the processing module 9, and the power supply circuit 10 is pre-adjusted according to a power supply adjusting instruction and the expected arrival time, so that the output power of the power supply circuit 10 is not less than the total power of power consumption.
Specifically, in the present embodiment, the environment detection module 1 includes a solar radiation measuring instrument for detecting the current radiation intensity on the solar panel in real time. The data acquisition module 2 comprises a point cloud acquisition device and a speed sensor, wherein the point cloud acquisition device can be an RGB-D camera, and the RGB-D camera is arranged at the upper end of the caravan and is used for acquiring environmental point cloud data at a distance of 100 meters in front of the caravan in real time in the running process of the caravan. The speed sensor is used for collecting the running speed of the motor home in real time. The identification module 3 is point cloud processing software in the intelligent terminal, performs point cloud preprocessing after acquiring environmental point cloud data, and comprises operations of denoising, filtering, registering and the like, so as to obtain point cloud preprocessing data, and then performs key feature extraction in the point cloud preprocessing data. And then carrying out point cloud segmentation on the point cloud preprocessing data, and segmenting the point cloud preprocessing data into different parts. And finally, carrying out three-dimensional reconstruction based on the key characteristics and the segmented data to form a three-dimensional shelter image. The storage module 4 is a nonvolatile storage container, a plurality of model images and corresponding model transmittance are prestored in the nonvolatile storage container, the model images are used for representing three-dimensional images of various common shielding objects in a driving path, and the model transmittance is used for representing the transmittance of the various shielding objects to sunlight under the standard condition. The similarity calculation module 5 is a similarity calculation program in the intelligent terminal, and is configured to calculate an image similarity between the three-dimensional occlusion image and each model image in the storage module 4, where the similarity threshold may be 90%, and when the image similarity is greater than 90%, it indicates that an actual occlusion of the three-dimensional occlusion image pair is consistent with an occlusion in the model image, and at this time, a corresponding model transmittance may be output as an occlusion transmittance. The shielding simulation module 6 is a three-dimensional simulation program of the intelligent terminal and is used for simulating the non-shielding area on the solar cell panel at the upper end of the caravan when the caravan moves to the position right below the three-dimensional shielding object image along the preset route, and further calculating according to the non-shielding area to obtain the predicted radiation intensity at the moment. The power detection module 8 is a power detection circuit arranged in the motor home and is used for detecting the total power of electricity consumption of the power supply circuit 10 in real time. The processing module 9 generates software for instructions of the intelligent terminal, and firstly processes according to the preset distance and the running speed to obtain the estimated arrival time of the caravan under the shelter corresponding to the three-dimensional shelter image. And then, predicting the predicted power generation of the solar panel under the shelter according to the calculated predicted radiation intensity, generating a power supply adjustment command by comparing the total power of electricity consumption in the current state with the predicted power generation, and adjusting the power supply of the power supply circuit 10 in advance by the controller 11 and the inverter 12 according to the power supply adjustment command and the calculated predicted arrival time, so that the output power of the power supply circuit 10 is not less than the total power of electricity consumption, and the output power of the power supply circuit 10 to the internal electric appliances can be advanced before the power generation power of the solar panel is changed due to the change of the external environment, thereby effectively reducing the electric effects of the change of the external environment on the internal electric appliances of the motor home, and prolonging the service life and experience of the internal electric appliances of the motor home.
Preferably, the three-dimensional shelter image comprises shape features and color features, and the model image comprises model shapes and model colors;
the similarity calculation module 5 includes:
a first calculation unit 51 for calculating a first similarity between the shape feature and each model shape, and calculating a second similarity between the color feature and each model color;
the second calculating unit 52 is connected to the first calculating unit 51, and is configured to input the first similarity and the corresponding second similarity into a preset similarity calculation formula, and calculate the image similarity.
Specifically, in the present embodiment, the first calculation unit 51 and the second calculation unit 52 calculate the first similarity between the shape features and the second similarity between the color features, respectively, and comprehensively calculate the image similarity using a similarity calculation formula.
Preferably, the similarity calculation formula is configured to:
I s for representing image similarity;
S i1 for representing a first degree of similarity;
S i2 for representing a second degree of similarity;
k 1 、k 2 respectively for indicating preset firstA similarity coefficient and a second similarity coefficient.
Specifically, in this embodiment, the first similarity coefficient and the second similarity coefficient are preset configuration coefficients, and may be modified in advance according to an actual driving scene of the caravan, so as to improve the calculation accuracy of the image similarity.
Preferably, the occlusion simulation module 6 comprises:
a construction unit 61, configured to construct a three-dimensional model of a caravan according to shape parameters of the caravan, and set the three-dimensional model of the caravan, a preset route, and a three-dimensional occlusion object image in the same three-dimensional coordinate system;
the occlusion simulation unit 62 is connected with the construction unit 61, and is used for simulating a scene that the three-dimensional model of the caravan moves to the position right below the three-dimensional occlusion object image along a preset route, calculating the projection area of the lower end face of the three-dimensional occlusion object image projected to the upper end face of the three-dimensional model of the caravan when the three-dimensional model of the caravan is positioned right below the three-dimensional occlusion object image, and calculating the non-occlusion area according to the projection area.
Specifically, in this embodiment, the shape parameters of the caravan are input into the construction unit 61 in advance, the construction unit 61 constructs a three-dimensional model of the caravan according to the shape parameters in a three-dimensional simulation program, the caravan is preconfigured with a preset route, the three-dimensional shelter image obtained by simulation, the three-dimensional model of the caravan and the preset image are set in the same three-dimensional coordinate system, then the shelter simulation unit 62 simulates a scene when the three-dimensional model of the caravan moves to a position right below the three-dimensional shelter image along the preset route, and calculates a projection area of the lower end surface of the three-dimensional shelter image projected onto the upper end surface of the three-dimensional model of the caravan, and the sum of the projection area and the non-shelter area is the total area of the solar panel at the top of the caravan, so that the non-shelter area can be calculated by subtracting the projection area from the total area.
Preferably, the radiation prediction formula is configured to:
P ri ＝O r R ai B ti
wherein P is ri For representing a predicted radiation intensity;
O r for representing the occlusion proportion;
P a for representing the projected area;
S a for representing non-occluded areas;
R ai for representing the radiation intensity;
B ti for indicating the barrier transmissivity.
Preferably, the environment detection module 1 is further used for detecting and obtaining a plurality of influence parameters in real time, wherein the influence parameters comprise the inclination angle and dust thickness of the solar panel, the environment temperature and the loss degree of the photovoltaic module;
the processing module 9 includes:
a first processing unit 91, configured to obtain an actual distance according to a preset distance and a preset route, and obtain a predicted arrival time according to the actual distance and a running speed;
the second processing unit 92 is configured to introduce an initial model, take a plurality of standard feature data and standard radiation intensities in the training set as inputs, take corresponding standard generated power as output, and retrain the initial model to obtain a radiation prediction model;
the prediction unit 93 is connected to the second processing unit 92, and is configured to input each influence parameter and the predicted radiation intensity into the radiation prediction model, so as to obtain predicted generated power.
Specifically, in this embodiment, the environment detection module 1 further includes an angle detection device, an ultrasonic thickness gauge, a temperature sensor, and a line loss tester, where the angle detection device is used to detect an inclination angle of the solar panel, the ultrasonic thickness gauge is used to detect a dust thickness on the solar panel, the temperature sensor is used to detect an environment temperature, and the line loss tester is used to detect a loss degree of the photovoltaic module. The inclination angle, the dust thickness, the ambient temperature and the loss degree of the photovoltaic module all affect the power generation efficiency of the solar cell panel, and when the processing module 9 firstly processes the actual distance and the running speed to obtain the predicted arrival, the radiation prediction model obtained by pre-training is used for predicting to obtain the predicted power generation. The initial model may be a gradient lifting decision tree model, and the radiation prediction model is obtained based on training of the gradient lifting decision tree model.
Preferably, the environment detection module 1 is further used for detecting running acceleration and a plurality of wind resistance parameters in real time when the caravan runs, wherein the wind resistance parameters comprise real-time wind direction and real-time wind speed; the first processing unit 91 includes:
the wind resistance calculation subunit 911 is configured to calculate a wind resistance acceleration according to a current running speed and a corresponding wind resistance parameter;
the comprehensive calculation subunit 912 is connected to the wind resistance calculation subunit 911, and is configured to calculate a comprehensive acceleration according to the wind resistance acceleration and the running acceleration, and calculate an expected arrival time according to the actual distance, the comprehensive acceleration and the running speed.
Specifically, in this embodiment, the real-time wind direction and the real-time wind speed during the running of the caravan may affect the running acceleration of the caravan, thereby affecting the expected arrival time. In order to improve the calculation accuracy when the estimated arrival is achieved, the vectors of the wind resistance acceleration and the running acceleration in the running direction of the motor home are added to obtain the comprehensive acceleration, the influence of wind speed parameters is filtered out by the comprehensive acceleration, and finally the actual distance, the comprehensive acceleration and the running speed are input into a unique formula, so that the estimated arrival can be obtained.
Preferably, the power supply adjustment instruction includes a first adjustment instruction and a second adjustment instruction, and the processing module 9 further includes an instruction generating unit 94 connected to the prediction unit 93, the instruction generating unit 94 being configured to generate the first adjustment instruction when the total power of electricity consumption is not greater than the predicted power generation, and generate the second adjustment instruction when the total power of electricity consumption is greater than the predicted power generation;
the controller 11 pre-adjusts the power supply to the power supply circuit 10 according to the first adjustment instruction in the expected arrival time so that the output power of the power supply circuit 10 is not less than the total power of electricity;
the controller 11 and the storage battery 12 synchronously pre-adjust the power supply to the power supply circuit 10 in advance in the expected arrival time according to the second adjustment instruction so that the output power of the power supply circuit 10 is not less than the total power consumption.
Specifically, in this embodiment, when the total power of electricity consumption is greater than the predicted power of electricity generation, it indicates that the predicted power of electricity generation of the solar panel is insufficient to maintain power supply of the electric appliances in the caravan, so that a second adjustment instruction needs to be generated, so that the storage battery 12 and the controller 11 together provide power for the power supply circuit 10, so that the output power of the power supply circuit 10 is not less than the total power of electricity consumption, and normal use of the electric appliances in the caravan is ensured; when the total power of electricity consumption is not greater than the predicted power of electricity generation, the predicted power of electricity generation of the solar panel is enough to maintain the power supply of the electric appliances in the motor home, so that a first adjustment instruction is generated, and the controller 11 is enabled to independently provide the power supply circuit 10 with the power of electricity, so that the output power of the power supply circuit 10 is not less than the total power of electricity consumption, and the normal use of the electric appliances in the motor home is ensured.
Preferably, the processing module 9 further includes a correction unit 95, connected to the second processing unit 92, configured to input a plurality of standard feature data and standard radiation intensities in the test set into the radiation prediction model to obtain predicted power, calculate, according to each predicted power and each standard power in the test set, obtain a prediction accuracy, adjust an hyper-parameter of the radiation prediction model and retrain the radiation prediction model when the prediction accuracy is not greater than a preset accuracy threshold, until the prediction accuracy is greater than the preset accuracy threshold, and output the corrected radiation prediction model.
Specifically, in this embodiment, the accuracy threshold may be 92%, and by the above arrangement, the prediction accuracy of the radiation prediction model may be ensured.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (9)
1. A photovoltaic power supply management system, comprising:
the environment detection module (1) is used for detecting the current radiation intensity on the solar panel in real time;
the data acquisition module (2) is used for acquiring environmental point cloud data at a preset distance in front of the limo and the running speed of the limo in real time;
the identification module (3) is connected with the data acquisition module (2) and is used for converting the environmental point cloud data into a three-dimensional shelter image;
the storage module (4) is used for storing a plurality of model images, and each model image is associated with a corresponding model transmissivity;
the similarity calculation module (5) is respectively connected with the identification module (3) and the storage module (4) and is used for calculating the image similarity between the three-dimensional shelter image and each model image, and outputting the corresponding model transmissivity as shelter transmissivity when the image similarity is larger than a preset similarity threshold value;
the shielding simulation module (6) is respectively connected with the similarity calculation module (5) and the identification module (3) and is used for simulating the non-shielding area on the solar panel when the caravan runs below the three-dimensional shielding object image along a preset route;
the radiation calculation module (7) is respectively connected with the shielding simulation module (6), the environment detection module (1) and the similarity calculation module (5) and is used for inputting the non-shielding area, the current radiation intensity and the shielding object transmissivity into a preset radiation prediction formula to obtain predicted radiation intensity;
the power detection module (8) is used for detecting the total power of electricity consumption of the electric appliances in the motor home in real time;
the processing module (9) is respectively connected with the radiation calculation module (7), the power detection module (8) and the data acquisition module (2) and is used for processing according to the preset distance and the running speed to obtain the expected arrival time, predicting according to the predicted radiation intensity to obtain the predicted power generation power, and further generating a power supply adjustment instruction according to the total power of electricity and the predicted power generation power;
the intelligent house is characterized in that a power supply circuit (10) for supplying power to internal electric appliances is arranged in the house, the power supply circuit (10) is connected with a controller (11) and an inverter (12), the controller (11) and the inverter (12) are connected with the processing module (9), and the intelligent house is used for pre-adjusting the power supply power to the power supply circuit (10) according to the power supply adjusting instruction and the expected arrival time so that the output power of the power supply circuit (10) is not less than the total power of power consumption.
2. The photovoltaic power supply management system of claim 1, wherein: the three-dimensional shelter image comprises shape features and color features, and the model image comprises model shapes and model colors;
the similarity calculation module (5) includes:
a first calculation unit (51) for calculating a first similarity between the shape feature and each of the model shapes, and calculating a second similarity between the color feature and each of the model colors;
the second calculating unit (52) is connected with the first calculating unit (51) and is used for inputting the first similarity and the corresponding second similarity into a preset similarity calculating formula, and calculating to obtain the image similarity.
3. The photovoltaic power supply management system of claim 2, wherein: the similarity calculation formula is configured as follows:
I s for representing the image similarity;
S i1 for representing the first similarity;
S i2 for representing the second similarity;
k 1 、k 2 respectively used for representing a preset first similarity coefficient and a second similarityCoefficients.
4. The photovoltaic power supply management system of claim 1, wherein: the occlusion simulation module (6) comprises:
the construction unit (61) is used for constructing a three-dimensional model of the motor home according to the shape parameters of the motor home and setting the three-dimensional model of the motor home, the preset route and the three-dimensional shelter image in the same three-dimensional coordinate system;
and the shielding simulation unit (62) is connected with the construction unit (61) and is used for simulating a scene of the three-dimensional model of the caravan moving to the position right below the three-dimensional shielding object image along the preset route, calculating the projection area of the lower end face of the three-dimensional shielding object image projected to the upper end face of the three-dimensional model of the caravan when the three-dimensional model of the caravan is positioned right below the three-dimensional shielding object image, and calculating the non-shielding area according to the projection area.
5. The photovoltaic power supply management system of claim 4, wherein: the radiation prediction formula is configured to:
P ri ＝O r R ai B ti
wherein P is ri For representing the predicted radiation intensity;
O r for representing the occlusion proportion;
P a for representing the projected area;
S a for representing the unobstructed area;
R ai for representing the radiation intensity;
B ti for representing the shutter transmissivity.
6. The photovoltaic power supply management system of claim 1, wherein: the environment detection module (1) is also used for detecting and obtaining a plurality of influence parameters in real time, wherein the influence parameters comprise the inclination angle and dust thickness of the solar panel, the environment temperature and the loss degree of the photovoltaic module;
the processing module (9) comprises:
a first processing unit (91) for processing to obtain an actual distance according to the preset distance and the preset route, and processing to obtain the expected arrival time according to the actual distance and the running speed;
the second processing unit (92) is used for introducing an initial model, taking a plurality of standard characteristic data and standard radiation intensity in the training set as inputs, taking corresponding standard generated power as output, and retraining the initial model to obtain a radiation prediction model;
and the prediction unit (93) is connected with the second processing unit (92) and is used for inputting each influence parameter and the predicted radiation intensity into the radiation prediction model to obtain the predicted generated power.
7. The photovoltaic power supply management system of claim 6, wherein: the environment detection module (1) is also used for detecting running acceleration and a plurality of wind resistance parameters in real time when the caravan runs, wherein the wind resistance parameters comprise real-time wind direction and real-time wind speed; the first processing unit (91) includes:
a windage calculating subunit (911) for calculating windage acceleration according to the current running speed and the corresponding windage parameter;
and the comprehensive calculation subunit (912) is connected with the wind resistance calculation subunit (911) and is used for calculating the comprehensive acceleration according to the wind resistance acceleration and the running acceleration and calculating the expected arrival time according to the actual distance, the comprehensive acceleration and the running speed.
8. The photovoltaic power supply management system of claim 6, wherein: the power supply adjustment instruction comprises a first adjustment instruction and a second adjustment instruction, the processing module (9) further comprises an instruction generation unit (94) connected with the prediction unit (93), the instruction generation unit (94) is used for generating the first adjustment instruction when the total power of electricity is not more than the predicted power generation power, and generating the second adjustment instruction when the total power of electricity is more than the predicted power generation power;
the controller (11) pre-adjusts the power supply to the power supply circuit (10) within the expected arrival time according to the first adjustment instruction so that the output power of the power supply circuit (10) is not less than the total power consumption;
the controller (11) and the inverter (12) synchronously pre-adjust the power supply to the power supply circuit (10) within the expected arrival time according to the second adjustment instruction so that the output power of the power supply circuit (10) is not less than the total power of electricity.
9. The photovoltaic power supply management system of claim 1, wherein: the processing module (9) further comprises a correction unit (95) connected with the second processing unit (92) and used for inputting a plurality of standard characteristic data and the standard radiation intensity in the test set into the radiation prediction model to obtain the predicted power generation, calculating to obtain the prediction accuracy rate according to each of the predicted power generation and each of the standard power generation in the test set, and adjusting the super parameters of the radiation prediction model and retraining when the prediction accuracy rate is not greater than a preset accuracy threshold until the prediction accuracy rate is greater than the preset accuracy threshold, and outputting the corrected radiation prediction model.
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| JP6213645B1 (en) * | 2016-09-27 | 2017-10-18 | 株式会社デンソーファシリティーズ | Control device |
| CN113221222A (en) * | 2021-05-10 | 2021-08-06 | 中国计量大学上虞高等研究院有限公司 | Method for arranging photovoltaic panels on building roof |
| CN115759389A (en) * | 2022-11-15 | 2023-03-07 | 山西格盟中美清洁能源研发中心有限公司 | Day-ahead photovoltaic power prediction method based on weather type similar day combination strategy |
| CN116307652A (en) * | 2023-05-25 | 2023-06-23 | 华北电力大学 | Artificial intelligent resource allocation method for intelligent power grid |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6213645B1 (en) * | 2016-09-27 | 2017-10-18 | 株式会社デンソーファシリティーズ | Control device |
| CN113221222A (en) * | 2021-05-10 | 2021-08-06 | 中国计量大学上虞高等研究院有限公司 | Method for arranging photovoltaic panels on building roof |
| CN115759389A (en) * | 2022-11-15 | 2023-03-07 | 山西格盟中美清洁能源研发中心有限公司 | Day-ahead photovoltaic power prediction method based on weather type similar day combination strategy |
| CN116307652A (en) * | 2023-05-25 | 2023-06-23 | 华北电力大学 | Artificial intelligent resource allocation method for intelligent power grid |
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