Solar automobile photovoltaic panel capable of intelligently adjusting angle and control method

Abstract

The invention discloses a solar automobile photovoltaic panel capable of intelligently adjusting the angle and a control method, the photovoltaic panel is arranged on a trunk cover of an automobile, one side edge of the photovoltaic panel is hinged to the trunk cover, and the photovoltaic panel is hinged to a base of the trunk cover through a telescopic assembly; the edge of the photovoltaic panel is connected with the trunk cover through curtain cloth, and the curtain cloth is used for sealing a gap between the photovoltaic panel and the trunk. When the opening angle of the photovoltaic panel is adjusted, the influence of the generated power of the photovoltaic panel and the power for overcoming the air resistance is considered, and the effective power generated by the photovoltaic panel is maximized as much as possible.

Description

Technical Field

[0001] The present invention relates to the technical field of solar cars, and particularly to a photovoltaic panel for a solar car with intelligent angle adjustment and a control method therefor. Background Art

[0002] With the enhancement of people's environmental protection awareness and the development of renewable energy technologies, solar cars have gradually become a research hotspot. With the development of driverless car technologies, the front and rear windshield glass can be completely omitted. Therefore, in order to collect more solar energy, covering the upper surface of the car (front hood, roof, front and rear windshield glass, and trunk lid) with photovoltaic panels for power generation will become a development trend. Most of the photovoltaic panels at the rear of existing solar cars are fixed on the upper surface of the trunk lid, and the inclination angle of these photovoltaic panels cannot be adjusted. Therefore, when the car is driving towards the sun, the energy reception efficiency of this part is often low. If the inclination angle of the photovoltaic panel is adjusted to obtain the best illumination angle, it will often increase the air resistance, which will in turn affect the power performance and economy of the car. Therefore, considering the air resistance, adjusting the inclination angle of the photovoltaic panel to maximize the solar power generation efficiency has become an important issue in the current technology. Summary of the Invention

[0003] The purpose of the present invention is to provide a photovoltaic panel for a solar car with intelligent angle adjustment and a control method therefor, so as to solve the deficiencies in the prior art.

[0004] The present invention provides a photovoltaic panel for a solar car with intelligent angle adjustment. The photovoltaic panel is arranged on the trunk lid of the car, and the photovoltaic panel is hinged to the trunk lid; the photovoltaic panel is connected to the trunk lid through a telescopic component; one end of the telescopic component is hinged to the photovoltaic panel, and the other end is hinged to the trunk lid; so as to adjust the opening angle of the photovoltaic panel through the telescopic component; the edge of the photovoltaic panel is connected to the trunk lid through a curtain, and the curtain is used to close the gap between the photovoltaic panel and the trunk.

[0005] A photovoltaic panel for a solar car with intelligent angle adjustment as described above further includes a control component, which is used to calculate the maximum value of the effective power of the photovoltaic panel and the best opening angle of the photovoltaic panel corresponding to the maximum value of the effective power; when the maximum value of the effective power of the photovoltaic panel meets the set conditions, the control component controls the telescopic component to adjust the photovoltaic panel to the best opening angle.

[0006] A photovoltaic panel for a solar car with intelligent angle adjustment as described above, the set condition is that the maximum value of the effective power of the photovoltaic panel is greater than a set value, and the set value is greater than 0.

[0007] An intelligent angle-adjustable solar photovoltaic panel for a car as described above, wherein the control component includes a control module, a time module, a gyroscope, a positioning and navigation system, and a light intensity sensor; the control module is electrically connected to the time module, the gyroscope, the positioning and navigation system, the light intensity sensor, and the telescopic component; the control module determines the altitude angle and azimuth angle of the sun through the positioning and navigation system and the time module; the control module determines the azimuth angle of the car through the positioning and navigation system and the gyroscope, and the control module determines the pitch angle of the car through the gyroscope and calculates the inclination angle between the photovoltaic panel and the horizontal plane; the light intensity sensor transmits the detected light intensity to the control module.

[0008] An intelligent angle-adjustable solar photovoltaic panel for a car as described above, the calculation formula for the effective power is:

[0009] P E =ΔP S -ΔP F ;

[0010] Wherein, P E is the effective power, ΔP S is the increase in the power generation of the photovoltaic panel, and ΔP F is the increase in the power of air resistance.

[0011] An intelligent angle-adjustable solar photovoltaic panel for a car as described above, the increment of the air resistance power ΔP F is calculated by the following formula;

[0012] ΔP F =ΔF·v

[0013] ΔF = F i -F j

[0014]

[0015] Wherein, C d is the air resistance coefficient, A is the windward area, v is the vehicle speed, and F is the air resistance; F i is the air resistance after adjusting the inclination angle, F j is the air resistance before changing the inclination angle, ΔF is the increase in air resistance, and ΔP F is the increase in air resistance power.

[0016] An intelligent angle-adjustable solar photovoltaic panel for a car as described above, the increase in the power generation of the photovoltaic panel ΔP S is calculated by the following formula:

[0017] ΔP S =P Si -PSj

[0018] P S = I·A S ·η·cosθ

[0019] Wherein, I is the light intensity, A S is the area of the photovoltaic panel, η is the photoelectric conversion efficiency, θ is the incident angle of sunlight, and P S is the power generation power of the photovoltaic panel, and P Si is the power generation power of the photovoltaic panel after adjusting the inclination angle, and P Sj is the power generation power of the photovoltaic panel before changing the inclination angle.

[0020] For a solar car photovoltaic panel with intelligent angle adjustment as described above, the calculation formula for the incident angle θ of sunlight is as follows:

[0021] θ = arccos(sinβ·cosα·cosγ + sinα·cosβ)

[0022] Wherein,

[0023]

[0024] In the above formula, α is the solar altitude angle, β is the angle between the photovoltaic panel and the horizontal plane, β0 is the installation angle of the photovoltaic panel, β1 is the opening angle of the photovoltaic panel, β2 is the pitching angle of the car, γ1 is the solar azimuth angle, γ2 is the azimuth angle of the car; γ is the difference between the solar azimuth angle and the azimuth angle of the photovoltaic panel.

[0025] The present invention also provides a control method for the solar car photovoltaic panel with intelligent angle adjustment as described above, including the following steps:

[0026] Obtain the current vehicle speed, vehicle position, vehicle orientation, vehicle pitching angle, time, light intensity, photovoltaic panel opening angle or telescopic component telescopic amount;

[0027] Calculate the effective power of the photovoltaic panel according to the current vehicle speed, vehicle position, vehicle orientation, vehicle pitching angle, time, light intensity, photovoltaic panel opening angle or telescopic component telescopic amount;

[0028] Determine the maximum value of the effective power of the photovoltaic panel and the optimal opening angle of the photovoltaic panel corresponding to the maximum value of the effective power;

[0029] Judge whether the maximum value of the effective power of the photovoltaic panel meets the set conditions. When the maximum value of the effective power of the photovoltaic panel meets the set conditions, control the telescopic component to adjust the photovoltaic panel to the optimal opening angle.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] 1. In the present invention, the photovoltaic panel is disposed on the trunk lid of the vehicle. One side edge of the photovoltaic panel is hinged to the trunk lid, and the edge of the photovoltaic panel is connected to the trunk lid through a curtain. The curtain is used to enclose the gap between the photovoltaic panel and the trunk to form a sealed body. When the angle of the photovoltaic panel is adjusted, the curtain closes the gap between the photovoltaic panel and the trunk lid, avoiding the formation of vortices and turbulent flows due to air flowing through the gap, thereby reducing air resistance and unnecessary lift, and further reducing the energy loss caused by air resistance.

[0032] 2. In the present invention, by only dynamically adjusting the opening angle of the photovoltaic panel to adjust the inclination angle of the photovoltaic panel, the energy reception efficiency of the photovoltaic panel can be improved without significantly increasing air resistance, that is, after changing the opening angle of the photovoltaic panel, the difference between the increase in the power generation power of the photovoltaic panel and the increase in the air resistance power reaches the maximum value, thereby improving the effective energy reception efficiency of the photovoltaic panel; the solar vehicle can realize the intelligent adjustment of the opening angle of the photovoltaic panel under different lighting conditions, different vehicle orientations, and different vehicle speeds (including the stationary state with a vehicle speed of 0), significantly improving the energy utilization efficiency and performance of the solar vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 FIG. is a schematic diagram of the state when the opening angle of the photovoltaic panel of the solar vehicle with intelligent angle adjustment proposed by the present invention remains unchanged;

[0034] Figure 2 FIG. is a schematic diagram of the state when the opening angle of the photovoltaic panel of the solar vehicle with intelligent angle adjustment proposed by the present invention changes;

[0035] Figure 3 FIG. is a schematic diagram of the installation structure of the electric push rod, the photovoltaic panel, and the base on the trunk lid;

[0036] Figure 4 FIG. is a schematic diagram of the system of the control component.

[0037] DESCRIPTION OF THE REFERENCE NUMERALS:

[0038] 1 - Photovoltaic panel, 2 - Trunk lid, 3 - Support base, 4 - Curtain, 5 - Support frame, 6 - Electric push rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0039] The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and should not be construed as a limitation of the present invention.

[0040] When the solar vehicle is running or stationary, the inclination angle of the photovoltaic panel is usually not the optimal sunlight reception angle, and the inclination angle of the photovoltaic panel described in the present invention is adjustable. The opening angle of the photovoltaic panel can be adjusted to obtain a higher power generation power of the photovoltaic panel.

[0041] It should be noted that although adjusting the opening angle of the photovoltaic panel can increase the solar power generation, it may also increase the air resistance. Therefore, the concept of effective power is introduced, which is defined as: after adjusting the opening angle, the effective power is equal to the increment of the photovoltaic panel power generation minus the increment of the air resistance power. Adjust the optimal opening angle of the photovoltaic panel to obtain the maximum effective power.

[0042] Embodiment 1 of the present invention: As Figures 1 to 3 shown, the present invention discloses a solar car photovoltaic panel with intelligent angle adjustment, including a photovoltaic panel 1 arranged on the trunk lid 2 of the car. One side edge of the photovoltaic panel 1 is hinged to the trunk lid 2, so that the photovoltaic panel 1 can rotate around its hinge with the trunk lid 2, providing conditions for the angle adjustment of the photovoltaic panel 1. The photovoltaic panel 1 is connected to the trunk lid 2 through a telescopic component. One end of the telescopic component is hinged to the photovoltaic panel, and the other end is hinged to the trunk lid. The hinge center line of the telescopic component with the photovoltaic panel, the hinge center line of the telescopic component with the trunk lid, and the hinge center line of the photovoltaic panel 1 with the trunk lid 2 are parallel to each other and do not coincide. By the telescopic movement of the telescopic component, the photovoltaic panel 1 can be driven to rotate around its hinge with the trunk lid 2, thereby adjusting the opening angle of the photovoltaic panel. The telescopic component can be an electric push rod 6, a hydraulic rod, etc. Here, taking the telescopic component as an electric push rod 6 as an example, specifically, one end of the electric push rod 6 is hinged to the photovoltaic panel 1, and the other end is hinged to the trunk lid 2. There are two electric push rods 6, and the two electric push rods 6 are respectively located on both sides of the car. Further, the hinge of the electric push rod 6 with the photovoltaic panel 1 is far from the hinge of the photovoltaic panel 1 with the trunk lid 2. When the electric push rod 6 is connected to the trunk lid 2, a support seat 3 can be fixedly installed on the trunk lid 2, and one end of the electric push rod 6 is hinged to the support seat 3. When the photovoltaic panel 1 is opened, a gap will be generated between the photovoltaic panel 1 and the trunk lid 2. When air flows through these gaps, especially when driving at high speed, it is easy to form eddies and turbulent flows, significantly increasing the air resistance of the car. For this reason, the present invention designs a structure that can avoid the above situation while realizing the dynamic adjustment of the opening angle of the photovoltaic panel 1, thereby reducing the energy loss caused by air resistance. Specifically: The edge of the photovoltaic panel 1 is connected to the trunk lid 2 through a curtain cloth 4. The curtain cloth 4 is used to close the gap between the photovoltaic panel 1 and the trunk. When adjusting the opening angle of the photovoltaic panel 1, the curtain cloth 4 can effectively connect the photovoltaic panel 1 and the trunk lid 2, closing the gap between them, thereby playing a role in reducing air resistance and unnecessary lift.

[0043] During specific implementation, the curtain cloth 4 is directly fixed to the edges of the photovoltaic panel 1 and the trunk lid 2, or the curtain cloth 4 is made of soft fabric, and a support skeleton 5 is provided on the curtain cloth 4. The curtain cloth 4 can also be made of other foldable materials or elastic fabrics.

[0044] Refer to Figure 4As shown, it further includes a control component, which is used to calculate the maximum value of the effective power of the photovoltaic panel 1 and the optimal opening angle of the photovoltaic panel 1 corresponding to the maximum value of the effective power; when the maximum value of the effective power of the photovoltaic panel 1 meets the set conditions, the control component controls the telescopic component to adjust the photovoltaic panel 1 to the optimal opening angle. In some implementation manners, the set condition is that the maximum value of the effective power of the photovoltaic panel 1 is greater than a set value, and the set value is greater than 0. When the set value is greater than 0, its unit should be the same as the unit of the effective power of the photovoltaic panel, such as both being watts or kilowatts.

[0045] The control component includes a control module, a time module, a gyroscope, a positioning and navigation system, and a light intensity sensor; the control module is electrically connected to the time module, the gyroscope, the positioning and navigation system, the light intensity sensor, and the telescopic component; the control module determines the altitude angle and azimuth angle of the sun through the positioning and navigation system and the time module; the control module determines the azimuth angle of the vehicle through the positioning and navigation system and the gyroscope, and the control module determines the pitch angle of the vehicle through the gyroscope and calculates the inclination angle between the photovoltaic panel and the horizontal plane; the light intensity sensor transmits the detected light intensity to the control module.

[0046] The formula for calculating the effective power is:

[0047] P E =ΔP S -ΔP F ;

[0048] Wherein, P E is the effective power, ΔP S is the increase in the power generation of the photovoltaic panel, and ΔP F is the increase in the power of air resistance.

[0049] The increment ΔP of the air resistance power F is calculated by the following formula;

[0050] ΔP F =ΔF·v

[0051] ΔF=F i -F j

[0052]

[0053] Wherein, C d is the air resistance coefficient, A is the windward area, v is the vehicle speed, and F is the air resistance; F i is the air resistance after adjusting the inclination angle, F j is the air resistance before changing the inclination angle, ΔF is the increase in air resistance, and ΔP F is the increase in the air resistance power.

[0054] The increased power generation of the photovoltaic panel ΔP S is calculated by the following formula:

[0055] ΔP S = P Si - P Sj

[0056] P S = I·A S ·η·cosθ

[0057] wherein, I is the light intensity, A S is the area of the photovoltaic panel, η is the photoelectric conversion efficiency, θ is the incident angle of sunlight, P S is the power generation of the photovoltaic panel, P Si is the power generation of the photovoltaic panel after adjusting the inclination angle, P Sj is the power generation of the photovoltaic panel before changing the inclination angle.

[0058] The calculation formula of the incident angle θ of sunlight is as follows:

[0059] θ = arccos(sinβ·cosα·cosγ + sinα·cosβ)

[0060] wherein,

[0061]

[0062] In the above formula, α is the solar altitude angle, β is the angle between the photovoltaic panel and the horizontal plane, β0 is the installation angle of the photovoltaic panel, β1 is the opening angle of the photovoltaic panel, β2 is the pitch angle of the vehicle, γ1 is the solar azimuth angle, γ2 is the vehicle azimuth angle; γ is the difference between the solar azimuth angle and the photovoltaic panel azimuth angle.

[0063] The opening angle of the photovoltaic panel can be directly measured by an angle sensor or the opening angle of the photovoltaic panel corresponding to different positions of the electric push rod can be pre-calibrated in advance, and the corresponding values are stored in a pre-stored database. The pre-stored database is electrically connected to the control module, and the position information of the electric push rod is obtained through the control module, and the corresponding opening angle value of the photovoltaic panel is queried in the pre-stored database according to the obtained position information of the electric push rod.

[0064] By measuring the photovoltaic panel in advance, the area and the photoelectric conversion efficiency of the photovoltaic panel can be obtained, and the values can be stored in the pre-stored database. By pre-calibrating, the air resistance coefficient and the windward area of the vehicle corresponding to different opening angles of the photovoltaic panel are obtained and the values are stored in the pre-stored database for easy retrieval when needed. The real-time vehicle speed is determined by the positioning and navigation system. The light intensity is obtained in real time by installing a light sensor. The light sensor is preferably deployed in the central area of the vehicle roof, where the body occlusion is the smallest, and the number of light sensors installed is determined according to the actual situation.

[0065] In specific implementation, the solar azimuth angle and the solar altitude angle can be obtained by looking up a table. For example, the corresponding relationship or data between the solar azimuth angle, time, and vehicle position is stored in a pre-stored database. When determining the solar azimuth angle, the corresponding solar azimuth angle is searched from the pre-stored database according to the time and vehicle position. Similarly, the corresponding relationship or data between the solar altitude angle, time, and vehicle position is stored in the pre-stored database. When determining the solar altitude angle, the corresponding solar altitude angle is searched from the pre-stored database according to the time and vehicle position. To make the result more accurate, the time includes year, month, day, hour, and minute. In some other implementation manners, the corresponding solar azimuth angle and solar altitude angle can also be calculated by designing a corresponding model or calculation formula.

[0066] The present invention also discloses a control method for the intelligent angle-adjustable solar photovoltaic panel of the above, including the following steps:

[0067] Obtain parameters such as the current vehicle speed, vehicle position, vehicle orientation, vehicle pitch angle, time, light intensity, and photovoltaic panel opening angle; specifically, obtain parameters such as the current vehicle speed, vehicle position, vehicle orientation, vehicle pitch angle, time, light intensity, and photovoltaic panel opening angle through a control module; the control module calculates the effective power of the photovoltaic panel according to parameters such as the current vehicle speed, vehicle position, vehicle orientation, vehicle pitch angle, time, light intensity, and photovoltaic panel opening angle; the formula group used by the control module:

[0068]

[0069] Among them,

[0070]

[0071] In the formula: θ is the incident angle of sunlight, α is the solar altitude angle, β is the angle between the photovoltaic panel and the horizontal plane, β0 is the installation angle of the photovoltaic panel, β1 is the opening angle of the photovoltaic panel, β2 is the vehicle pitch angle, γ1 is the solar azimuth angle, γ2 is the vehicle azimuth angle, γ is the difference between the solar azimuth angle and the photovoltaic panel azimuth angle, I is the light intensity, A S is the area of the photovoltaic panel, η is the photoelectric conversion efficiency, P S is the power generation power of the photovoltaic panel, P Si is the power generation power of the photovoltaic panel after adjusting the inclination angle, P Sj is the power generation power of the photovoltaic panel before changing the inclination angle, ΔP S is the increase in the power generation power of the photovoltaic panel, F is the air resistance, C d is the air resistance coefficient, A is the frontal area, v is the vehicle speed; F i is the air resistance after adjusting the inclination angle, F j$F$ is the air resistance before changing the inclination angle, $\Delta F$ is the increase in air resistance, and $\Delta P$ F is the increase in air resistance power, and $P$ E is the effective power.

[0072] Determine the maximum value of the effective power of the photovoltaic panel and the optimal opening angle of the photovoltaic panel corresponding to the maximum value of the effective power.

[0073] Judge whether the maximum value of the effective power of the photovoltaic panel meets the set conditions. When the maximum value of the effective power of the photovoltaic panel meets the set conditions, control the telescopic component to adjust the photovoltaic panel to the optimal opening angle.

[0074] The set condition is that the maximum value of the effective power of the photovoltaic panel is greater than the set value, and the set value is greater than 0.

[0075] It should be noted that in the present invention, the definitions of the solar altitude angle $\alpha$, the installation angle $\beta_0$ of the photovoltaic panel, the opening angle $\beta_1$ of the photovoltaic panel, the pitch angle $\beta_2$ of the vehicle, the inclination angle $\beta$ of the photovoltaic panel, the solar azimuth angle $\gamma_1$, the vehicle azimuth angle $\gamma_2$, and the incident angle $\theta$ of sunlight are as follows:

[0076] Solar altitude angle $\alpha$: The angle between the direct sunlight and the ground plane at the observation point. (The range is from 0° to 90°).

[0077] Installation angle $\beta_0$ of the photovoltaic panel: When the vehicle is on a horizontal plane, the angle between the installation surface of the photovoltaic panel and the vertical plane.

[0078] Opening angle $\beta_1$ of the photovoltaic panel: The angle at which the photovoltaic panel rotates and opens around the hinge axis.

[0079] Pitch angle $\beta_2$ of the vehicle: The angle between the longitudinal axis of the vehicle (the forward direction of the vehicle) and the horizontal plane (positive when the front of the vehicle is raised and negative when the front of the vehicle is lowered).

[0080] Inclination angle $\beta$ of the photovoltaic panel: The angle between the photovoltaic panel and the horizontal plane. When $\beta_0 + \beta_1 \leq 90°$, $\beta = 90° - \beta_0 - \beta_1 + \beta_2$; when $\beta_0 + \beta_1 > 90°$, $\beta = \beta_0 + \beta_1 - 90° - \beta_2$.

[0081] Solar azimuth angle $\gamma_1$: The angle between the projection of the sun's rays on the ground plane that irradiates the target and the meridian of the target point (i.e., the due north direction of the target), that is, the angle from the meridian of the target point in the clockwise direction to the projection of the sun's rays (the range is from 0° to 360°).

[0082] Vehicle azimuth angle $\gamma_2$: The angle rotated from the meridian of the vehicle point (i.e., the due north direction of the vehicle) in the clockwise direction to the forward direction of the vehicle (the range is from 0° to 360°).

[0083] Angle of sunlight incidence θ: The angle between the sunlight and the normal line of the photovoltaic panel. When the sunlight shines directly on the photovoltaic panel, θ = 0°.

[0084] The basic principles of the present invention have been described in conjunction with specific embodiments. However, it should be noted that the advantages, benefits, effects, etc. mentioned in the present invention are only examples and not limitations. It cannot be considered that these advantages, benefits, effects, etc. are essential for each embodiment of the present invention. Additionally, the specific details disclosed above are only for illustrative and easy-to-understand purposes and not limitations. These details do not limit the present invention to necessarily adopt the above specific details for implementation.

[0085] The block diagrams of the devices, apparatuses, equipment, and systems involved in the present invention are only illustrative examples and do not intend to require or imply that they must be connected, arranged, and configured in the manner shown in the block diagrams. As those skilled in the art will recognize, these devices, apparatuses, equipment, and systems can be connected, arranged, and configured in any way. Words such as "comprising", "including", "having", etc. are open-ended terms meaning "including but not limited to" and can be used interchangeably with each other. The words "or" and "and" used herein refer to "and / or" and can be used interchangeably with it, unless the context clearly indicates otherwise. The word "such as" used herein refers to the phrase "such as but not limited to" and can be used interchangeably with it.

[0086] In addition, as used herein, the "or" used in the listing of items starting with "at least one" indicates a separate listing, so that for example, the listing of "at least one of A, B, or C" means A or B or C, or AB or AC or BC, or ABC (i.e., A and B and C). Furthermore, the term "exemplary" does not mean that the described examples are preferred or better than other examples.

[0087] It should also be noted that in the systems and methods of the present invention, each component or each step can be decomposed and / or recombined. These decompositions and / or recombinations should be regarded as equivalent solutions of the present invention.

[0088] Various changes, substitutions, and alterations to the technologies described herein can be made without departing from the teachings of the technology defined by the appended claims. In addition, the scope of the claims of the present invention is not limited to the specific aspects of the processes, machines, manufactures, compositions of events, means, methods, and acts described above. Current or later-developed processes, machines, manufactures, compositions of events, means, methods, or acts that perform substantially the same function or achieve substantially the same result as the corresponding aspects described herein can be utilized. Thus, the appended claims include such processes, machines, manufactures, compositions of events, means, methods, or acts within their scope.

[0089] The foregoing description of the disclosed aspects is provided to enable any person skilled in the art to make or use the invention. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the scope of the invention. Thus, the invention is not intended to be limited to the aspects shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0090] The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the invention to the form disclosed herein. Although several example aspects and embodiments have been discussed above, those skilled in the art will recognize some of their variations, modifications, alterations, additions, and subcombinations.

Claims

1. A solar car photovoltaic panel with intelligent angle adjustment, characterized in that: The photovoltaic panel is arranged on the trunk lid of the vehicle, and the photovoltaic panel is hinged to the trunk lid; The photovoltaic panel is connected to the trunk lid through a telescopic assembly; one end of the telescopic assembly is hinged to the photovoltaic panel, and the other end is hinged to the trunk lid; so as to adjust the opening angle of the photovoltaic panel through the telescopic assembly; The edge of the photovoltaic panel is connected to the trunk lid through a curtain, and the curtain is used to close the gap between the photovoltaic panel and the trunk; a support frame is arranged on the curtain.

2. The intelligent angle-adjustable solar car photovoltaic panel according to claim 1, wherein: It further includes a control assembly, and the control assembly is used to calculate the maximum value of the effective power of the photovoltaic panel and the optimal opening angle of the photovoltaic panel corresponding to the maximum value of the effective power; when the maximum value of the effective power of the photovoltaic panel meets the set conditions, the control assembly controls the telescopic assembly to adjust the photovoltaic panel to the optimal opening angle.

3. The intelligent angle-adjustable solar car photovoltaic panel according to claim 2, wherein: The set condition is that the maximum value of the effective power of the photovoltaic panel is greater than the set value, and the set value is greater than 0.

4. The intelligent angle-adjustable solar car photovoltaic panel according to claim 3, wherein: The control assembly includes a control module, a time module, a gyroscope, a positioning and navigation system, and a light intensity sensor; the control module is electrically connected to the time module, the gyroscope, the positioning and navigation system, the light intensity sensor, and the telescopic assembly; the control module determines the solar altitude angle and the solar azimuth angle through the positioning and navigation system and the time module; the control module determines the azimuth angle of the vehicle through the positioning and navigation system and the gyroscope, and the control module determines the pitch angle of the vehicle through the gyroscope and calculates the inclination angle between the photovoltaic panel and the horizontal plane; the light intensity sensor transmits the detected light intensity to the control module.

5. The intelligent angle-adjustable solar photovoltaic panel for a solar vehicle according to claim 2, wherein: The calculation formula of the effective power is: P E = ΔP S -ΔP F ; Among them, P E is the effective power, and ΔP S is the increase in the power generation of the photovoltaic panel, and ΔP F is the increase in the power of air resistance.

6. The intelligent angle-adjustable solar vehicle photovoltaic panel according to claim 5, wherein: The increment ΔP of the air resistance power F is calculated by the following formula; ΔP F = ΔF·v ΔF = F i -F j Among them, C d is the air resistance coefficient, A is the frontal area, v is the vehicle speed, and F is the air resistance; F i is the air resistance after adjusting the inclination angle, F j is the air resistance before changing the inclination angle, ΔF is the increase in air resistance, and ΔP F is the increase in air resistance power.

7. The intelligent angle-adjustable solar car photovoltaic panel according to claim 5, wherein: The increased power generation of the photovoltaic panel ΔP S is calculated by the following formula: ΔP S = P Si - P Sj P S = I·A S ·η·cosθ Among them, is the light intensity, A S is the area of the photovoltaic panel, η is the photoelectric conversion efficiency, θ is the incident angle of sunlight, P S is the power generation power of the photovoltaic panel, P Si is the power generation power of the photovoltaic panel after adjusting the tilt angle, P Sj is the power generation power of the photovoltaic panel before changing the tilt angle.

8. The intelligent angle-adjustable solar car photovoltaic panel according to claim 6, characterized in that: The calculation formula of the incident angle θ of the sunlight is as follows: θ = arccos(sinβ·cosα·cosγ + sinα·cosβ) Wherein, In the above formula, α is the solar altitude angle, β is the angle between the photovoltaic panel and the horizontal plane, β0 is the installation angle of the photovoltaic panel, β1 is the opening angle of the photovoltaic panel, β2 is the pitch angle of the vehicle, γ1 is the solar azimuth angle, γ2 is the azimuth angle of the vehicle; γ is the difference between the solar azimuth angle and the azimuth angle of the photovoltaic panel.

9. A control method, characterized in that, For the intelligent angle-adjustable solar vehicle photovoltaic panel described in claims 1-9, it includes the following steps: Obtain the current vehicle speed, vehicle position, vehicle orientation, vehicle pitch angle, time, light intensity, photovoltaic panel opening angle, and telescopic assembly telescopic amount; Calculate the effective power of the photovoltaic panel according to the current vehicle speed, vehicle position, vehicle orientation, vehicle pitch angle, time, light intensity, photovoltaic panel opening angle, and telescopic assembly telescopic amount; Determine the maximum value of the effective power of the photovoltaic panel and the optimal opening angle of the photovoltaic panel corresponding to the maximum value of the effective power; Judge whether the maximum value of the effective power of the photovoltaic panel meets the set conditions. When the maximum value of the effective power of the photovoltaic panel meets the set conditions, control the telescopic assembly to adjust the photovoltaic panel to the optimal opening angle.

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