CN109873604B

CN109873604B - Adjustable solar power generation system

Info

Publication number: CN109873604B
Application number: CN201910158855.XA
Authority: CN
Inventors: 周雨航
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-01
Filing date: 2019-03-01
Publication date: 2021-03-16
Anticipated expiration: 2039-03-01
Also published as: CN109873604A

Abstract

The invention relates to an adjustable solar power system, comprising: the supporting part can be used for bearing at least one solar panel; an angle adjusting part which can be used for adjusting the angle of the supporting part; a bracket connected to a support part via the angle adjustment part; the photosensitive assembly can be used for sensing the light direction of the environment space where the corresponding solar panel is located; and the control module controls the corresponding angle adjusting part to enable the corresponding supporting part to rotate along with the movement of the position of the sun at least based on the light direction sensed by the photosensitive assembly so as to enable the photosensitive surface of the corresponding solar panel to move towards the direction of the sun. The light sensing assembly senses the light direction of the environmental space, and the control module controls the corresponding angle adjusting part based on the light direction sensed by the light sensing assembly to enable the corresponding supporting part to rotate along with the movement of the position of the sun, so that the adjustment is convenient, and the sunlight utilization rate is improved.

Description

Adjustable solar power generation system

Technical Field

The invention relates to the field of energy conservation, environmental protection and new energy, in particular to an adjustable solar power generation system.

Background

With the development of science and technology, the concepts of green energy and low-carbon life are receiving more and more attention, the cleanliness of solar energy utilization makes solar energy become one of a plurality of hot renewable new energy sources, the solar power generation technology gradually enters into commercialization for a long time, and the solar power generation technology becomes a new industry for solving a series of problems of current energy, resources, environment and the like.

The solar cell is used as a main product of the industry, converts solar energy with endless sources into electric energy, is put into use in the working life of people, and makes a great contribution to the construction of resource-saving and environment-friendly society and the realization of the comprehensive and coordinated sustainable development of the economy and the society.

A solar cell is also called a solar chip or a photovoltaic cell, and is a photoelectric semiconductor sheet that directly generates electricity by using sunlight. A solar panel, also called a solar panel or a solar cell module, is composed of a plurality of solar cells, and is a core part of a solar power generation system and also the most important part of the solar power generation system.

However, the common solar panels are fixed in position and cannot be adjusted in inclination angle, and the sunlight changes the irradiation direction along with the change of day and night, seasons and weather conditions, so that the power generation efficiency is affected. Therefore, some inventors improve the prior art and provide a technical solution for adjusting the angle of the solar panel. For example, chinese patent publication No. CN 102270678B discloses an adjustable base for supporting a solar panel and an angle adjusting method thereof. The adjustable base comprises a frame, an angle adjusting element and a side bracket. At least one solar panel is fixed on the frame. The angle adjusting element is arranged on the frame and comprises an angle positioning piece for providing a limited angle position. The side bracket is connected to the frame through the angle adjusting element. The side bracket is connected with the angle positioning piece to adjust a relative rotation angle between the side bracket and the frame, wherein the relative rotation angle corresponds to one of the limited angle positions. Therefore, the solar panel fixing device can fix the solar panel at different angles according to different requirements, and solves the problem that the known solar panel fixed at a single angle is poor in sunlight utilization rate. However, the technical scheme has the problems that the adjustment process is manually completed, the adjustment process is not convenient enough, and when the angle of the solar panel is automatically adjusted, the accuracy of measuring the light direction is improved, which is also very important for improving the solar utilization rate. The existing sensors for measuring the light direction include a tower type sun position sensor, a light tube type sun position sensor and the like. The tower type solar position sensor has the advantages of wide capture range, high possibility of being interfered by ambient light, low precision and the like. The light tube type solar position sensor has the problems that the detected light angle is small, and when the light angle deviation is large, light cannot irradiate a four-quadrant photocell, so that the detection cannot be performed. Therefore, there is a need for improvements in the prior art.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an adjustable solar power generation system, which senses the light direction of an environmental space through a photosensitive assembly, controls a corresponding angle adjusting part based on the light direction sensed by the photosensitive assembly through a control module, and enables a corresponding supporting part to rotate along with the movement of the position of the sun, so that the adjustment is convenient, the sunlight utilization rate is improved, and the design of the photosensitive assembly enables the measurement of the light direction to be more accurate and reliable, and the sunlight utilization rate is further improved. The light sensing elements are arranged from the hole opening of the light sensing hole to the hole bottom, the light sensing data are directly sensed by the light sensing elements arranged on the hole wall and the hole bottom of the light sensing hole, the problem that light cannot irradiate the four-quadrant photocell due to large light angle deviation does not exist, and the measuring range and the measuring accuracy of the photoelectric sensor are greatly improved.

According to a preferred embodiment, an adjustable solar power system comprises: the supporting part can be used for bearing at least one solar panel; an angle adjusting part which can be used for adjusting the angle of the supporting part; a bracket connected to a support part via the angle adjustment part; the photosensitive assembly can be used for sensing the light direction of the environment space where the corresponding solar panel is located; the control module controls the corresponding angle adjusting part at least based on the light direction sensed by the photosensitive assembly to enable the corresponding supporting part to rotate along with the movement of the position of the sun, so that the photosensitive surface of the corresponding solar panel moves towards the direction of the sun; the light sensing assembly is including locating four first photosensitive elements in the light sensing hole, the light sensing hole is the quad slit, four first photosensitive elements all set up and respectively towards four different directions each other along the lateral wall of quad slit, first photosensitive element arranges to the hole bottom from the drill way in light sensing hole, and when the contained angle of the hole depth direction of light direction and quad slit changed, the sensitization figure that forms also can change on at least one in four first photosensitive elements, the light direction in light sensing assembly calculation environment space based on the sensitization figure that forms on at least one in four first photosensitive elements at least.

According to a preferred embodiment, the photosensitive assembly comprises a photosensitive controller and a measuring module, the measuring module comprises four photosensitive holes which are isolated from each other, the four photosensitive holes are square holes, and the four photosensitive holes are arranged in a field shape; the four first photosensitive elements are respectively arranged in one of the four photosensitive holes, one side face of the four side faces of each photosensitive hole is provided with the first photosensitive element arranged in parallel to the side face, and the orientations of the four side faces, in which the first photosensitive elements are arranged, of the four photosensitive holes are different from each other.

According to a preferred embodiment, the bottom of each photosensitive hole is further provided with a second photosensitive element, and the photosensitive surface of the second photosensitive element in each photosensitive hole is perpendicular to the photosensitive surface of the first photosensitive element in the photosensitive hole; when light rays irradiate the bottoms of the photosensitive holes, the photosensitive controller calculates the light ray direction of the corresponding environment space where the solar panel is located at least based on photosensitive graphs sensed by the first photosensitive elements and the second photosensitive elements arranged in the four photosensitive holes; black light absorbing layers are provided on three sides of four sides of each photosensitive hole except for the side on which the first photosensitive element is arranged, and the light absorbing layers have an absorptivity of 80% or more to light irradiated thereon, and preferably, have an absorptivity of 95% or more to light irradiated thereon, so as to reduce the influence of multiple reflections, which are generated when light is irradiated onto the three sides on which the first photosensitive element is not provided, on the photosensitive pattern sensed by the first photosensitive element and/or the second photosensitive element.

According to a preferred embodiment, the light inlet of each light sensing hole is sealed by a light transmitting sheet, the inside of each light sensing hole is vacuumized, the measuring module further comprises a cooling element for dissipating heat of each light sensing hole, a cooling pipe of the cooling element is spirally wound on the periphery of the light sensing hole, the cooling element is set to keep the temperature inside the light sensing hole below 50 degrees, and a cooling medium in the cooling element spirally moves downwards from the upper part of the light sensing hole to the periphery of the light sensing hole along the cooling pipe so as to reduce the temperature difference between the upper part and the lower part of the light sensing hole.

According to a preferred embodiment, two of the four light sensing holes of the measuring module having two first light sensing elements facing each other can be used for measuring light components in a first direction and a second direction, the other two of the four light sensing holes of the measuring module having two first light sensing elements facing each other can be used for measuring light components in a second direction and a third direction, and the light sensing controller calculates a light direction based on at least the light components in the first direction, the second direction and the third direction, wherein the first direction, the second direction and the third direction form an angle of 90 ° with each other.

According to a preferred embodiment, the light sensing assembly comprises at least two measuring modules, the at least two measuring modules comprise a fixed first measuring module and a second measuring module which is provided with an actuating part compared with the first measuring module so as to be movable, the orientation of a light sensing hole in the second measuring module can be changed when the second measuring module moves, after the light sensing controller calculates the light direction of the environment space where the solar panel is located based on a light sensing pattern sensed by a first light sensing element arranged in the light sensing hole of the first measuring module, the light sensing controller adjusts the angle of the second measuring module based on the calculated light direction so as to dynamically verify the calculated light direction, and the calculated light direction is transmitted to the control module after being verified.

According to a preferred embodiment, the process of adjusting the angle of the second measurement module based on the calculated light direction by the sensitization controller to dynamically verify the calculated light direction includes:

the photosensitive controller firstly controls the actuating part to enable the second measuring module to rotate so that the depth direction of each photosensitive hole of the second measuring module is parallel to the calculated light ray direction, and four first verification photosensitive data are measured by four first photosensitive elements of the second measuring module and four second verification photosensitive data are measured by four second photosensitive elements of the second measuring module under the static state that the depth direction of each photosensitive hole is parallel to the calculated light ray direction; the photosensitive controller performs primary verification based on the four second verification photosensitive data; the photosensitive controller performs secondary verification based on four first verification photosensitive data under the condition that the calculated light direction passes the primary verification; and the photosensitive controller confirms that the calculated light direction passes the verification under the condition that the calculated light direction passes the secondary verification.

According to a preferred embodiment, when the photosensitive controller performs primary verification based on the four second verification photosensitive data, the photosensitive controller analyzes the four second verification photosensitive data to obtain that more than 90% of the photosensitive units of the four second photosensitive elements sense the current ambient light, and confirms that the calculated light direction passes the primary verification; and when the photosensitive controller carries out secondary verification based on the four first verification photosensitive data, the photosensitive controller analyzes the four first verification photosensitive data to obtain the photosensitive units arranged from the upper part to the lower part of the photosensitive hole on the four first photosensitive elements, senses the same photosensitive quantity change trend and confirms that the calculated light direction passes the secondary verification when the photosensitive quantity of the photosensitive unit only close to the upper part of the photosensitive hole is maximum.

According to a preferred embodiment, when the calculated light direction does not pass the primary verification or the secondary verification, the photosensitive controller controls the actuating portion to rotate the second measuring module and acquire the photosensitive parameters measured by the four first photosensitive elements and the four second photosensitive elements in the rotating process as a reference for adjusting the rotating direction until the second measuring module rotates to a specific direction in which more than 90% of the photosensitive units of the four second photosensitive elements sense the current ambient light and the photosensitive units arranged from the upper portion to the lower portion of the photosensitive holes on the four first photosensitive elements sense the same photosensitive quantity variation trend and the photosensitive quantity of the photosensitive units only close to the upper portion of the photosensitive holes is the largest, and updates the calculated light direction based on the specific direction.

According to a preferred embodiment, the angle adjusting portion includes a first driving portion and a second driving portion, the first driving portion can enable the support portion to rotate around a first pivot axis, the second driving portion can enable the support portion to rotate around a second pivot axis, the first pivot axis and the second pivot axis are perpendicular to each other, the first driving portion is used for adjusting a first relative rotation angle of the support portion and the bracket, the second driving portion is used for adjusting a second relative rotation angle of the support portion and the bracket, and the control module controls the first driving portion and the second driving portion to enable the corresponding support portion to rotate along with the movement of the position of the sun at least based on the posture data and the light direction so as to enable the light-sensitive surface of the corresponding solar panel to move towards the direction of the sun.

Drawings

FIG. 1 is a simplified schematic diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic top view of a first preferred embodiment of a photosensitive assembly;

FIG. 3 is an isometric illustration of a first preferred embodiment of a photosensitive assembly;

FIG. 4 is a schematic side view of a second preferred embodiment of a photosensitive assembly;

FIG. 5 is a simplified schematic diagram of a preferred embodiment of a cooling tube; and

fig. 6 is a schematic diagram of module connection of a preferred embodiment of the present invention.

List of reference numerals

100: support portion SP: solar panel 200: angle adjusting part

210: first driving unit 220: second driving portion 230: intermediate connecting part

300: the support 400: the photosensitive assembly 410: photosensitive controller

420: the measurement module 420A: the first measurement module 420B: second measuring module

421: first photosensitive element 422: second photosensitive element 423: light absorbing layer

424: photosensitive hole 425: light-transmitting sheet 426: cooling element

427: cooling pipe 500: the control module 600: actuating part

610: first actuating element 620: second actuating element 700: attitude sensing module

Detailed Description

The following detailed description is made with reference to fig. 1, 2, 3, 4, 5 and 6.

In the description of the present invention, it is to be understood that, if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are used for indicating the orientation or positional relationship indicated based on the drawings, they are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is also to be understood that the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, the term "plurality", if any, means two or more unless specifically limited otherwise.

In the description of the present invention, it should be further understood that the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, and for example, the terms "mounting," "connecting," "fixing," and the like may be fixed, detachable, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To one of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood as appropriate, unless explicitly stated and/or limited otherwise.

In the description of the present invention, it should also be understood that "over" or "under" a first feature may include the first and second features being in direct contact, and may also include the first and second features being in contact not directly but through another feature therebetween, unless expressly stated or limited otherwise. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

The embodiment discloses an adjustable solar power generation system, or a system for solar power generation, or a power generation system with an adjustable solar panel angle, which is suitable for executing all the method steps described in the invention to achieve the expected technical effect. The preferred embodiments of the present invention are described in whole and/or in part in the context of other embodiments, which can supplement the present embodiment, without resulting in conflict or inconsistency.

According to a preferred embodiment, the system comprises: at least one of the support part 100, the angle adjusting part 200, the bracket 300, the photosensitive assembly 400, the solar panel SP, and the control module 500.

According to a preferred embodiment, the support 100 may be used to carry at least one solar panel SP. The angle adjusting part 200 may be used to adjust the angle of the support part 100. The bracket 300 may be indirectly connected to the supporting part 100 via the angle adjusting part 200. The photosensitive assembly 400 can be used for sensing the light direction of the environmental space where the corresponding solar panel SP is located. The control module 500 may control the corresponding angle adjustment portion 200 to rotate the corresponding support portion 100 along with the movement of the position of the sun based on at least the light direction sensed by the light sensing element 400, so that the light sensing surface of the corresponding solar panel SP moves toward the direction of the sun. Preferably, the photosensitive assembly 400 may include four first photosensitive elements 421 disposed in the photosensitive holes 424. The light sensing hole 424 may be a square hole. The four first photosensitive elements 421 may be disposed along sidewalls of the square hole. The four first photosensitive elements 421 may respectively face four directions different from each other. The first photosensitive element 421 may be disposed from the aperture of the photosensitive hole to the bottom of the hole. When the angle between the light direction and the hole depth direction of the square hole is changed, the photosensitive pattern formed on at least one of the four first photosensitive elements 421 is also changed. The photosensitive assembly 400 can calculate the light direction of the environment space based on the photosensitive pattern formed on at least one of the four first photosensitive elements. Preferably, the photosensitive pattern may also be referred to as a photosensitive image. According to a preferred embodiment, the photosensitive assembly 400 may include a photosensitive controller 410 and/or a measurement module 420. The measurement module 420 may include at least four sensing apertures 424. The measurement module 420 may include four sensing apertures 424. The four light-sensing holes 424 may be square holes. The four photosensitive apertures 424 may be arranged in a checkerboard pattern. Preferably, the four photosensitive holes 424 are isolated from each other. The four first photosensitive elements 421 are respectively disposed in one of the four photosensitive holes 424. Preferably, the four first photosensitive elements 421 are disposed in one photosensitive hole, although the structure is simplified, the measurement accuracy is affected by the reflection of light between the four first photosensitive elements 421. One of four side surfaces of each light sensing hole 424 may be provided with a first light sensing element 421 arranged parallel to the side surface. Preferably, the orientations of the four sides in which the first photosensitive elements 421 are arranged in the four photosensitive holes 424 may all be different from each other. The bottom of each light sensing hole 424 may be provided with a second light sensing element 422. The light-sensing surface of the second light-sensing element 422 in each light-sensing hole 424 may be perpendicular to the light-sensing surface of the first light-sensing element 421 in the light-sensing hole 424. Preferably, when the light irradiates the bottom of the light sensing hole 424, the light sensing controller 410 may calculate the light direction of the ambient space where the corresponding solar panel SP is located based on at least the light sensing patterns sensed by the first light sensing element 421 and the second light sensing element 422 arranged in the four light sensing holes 424. Preferably, the ratio of the side length of the square shaped photosensitive aperture 424 to the depth of the aperture is greater than or equal to 1: 5. particularly preferably, the ratio of the side length of the square opening of the photosensitive hole 424 to the depth of the hole is 1: 10. when the light does not directly irradiate the light-sensing hole 424, the light-sensing data sensed by the first light-sensing element 421 and the second light-sensing element 422 in different light-sensing holes are different, so as to calculate the light direction. Preferably, when the light does not irradiate the bottom of the light sensing hole 424, the light sensing controller 410 may calculate the light direction of the ambient space where the corresponding solar panel SP is located based on only the light sensing patterns sensed by the first light sensing elements 421 disposed in the four light sensing holes 424. When the difference between the hole depth direction of the light sensing hole and the light direction is large, the second light sensing element 422 may not sense the light, but only a part of the light sensing units of the first light sensing elements 421 sense the light, so that the light angle can be calculated according to the light sensing data of the four first light sensing elements 421. When the difference between the hole depth direction of the photosensitive hole and the light direction is small, the photosensitive units of the first photosensitive element 421 can sense light, and the photosensitive units of the second photosensitive element 422 can also sense light, so that the light angle can be calculated based on the photosensitive data sensed by the first and second photosensitive elements 422. When the hole depth direction of the photosensitive hole and the light direction are parallel to each other, the photosensitive cells arranged from the upper portion to the lower portion of the photosensitive hole 424 on the four first photosensitive elements 421 sense the same photosensitive amount change trend, because at this time, only the photosensitive cells near the upper edge of the photosensitive hole can sense light, and more than 90% -99% of the photosensitive cells of the four second photosensitive elements 422 can sense current ambient light. Preferably, the first photosensitive element 421 and/or the second photosensitive element 422 may be a CCD sensor or a CMOS sensor.

According to a preferred embodiment, a light absorbing layer 423 of black may be provided on three sides of the four sides within each light sensing hole 424 except for the side where the first light sensing element 421 is disposed. Preferably, the light absorbing layer 423 may have an absorption rate of light irradiated thereto of 80% or more. It is particularly preferable that the light absorbing layer 423 has an absorptivity of 95% or more with respect to light irradiated thereon, and it is particularly preferable that the light absorbing layer 423 has an absorptivity of 99% or more with respect to light. The light absorbing layer 423 can reduce the influence of multiple reflections generated when light is emitted onto the three sides where the first photosensitive element 421 is not disposed on the photosensitive pattern sensed by the first photosensitive element 421 and/or the second photosensitive element 422. The invention can at least realize the following beneficial technical effects by adopting the mode: firstly, the influence of multiple reflections generated when light is emitted to three side surfaces where the first photosensitive element 421 is not arranged on the photosensitive pattern sensed by the first photosensitive element 421 and/or the second photosensitive element 422 due to the reflection of light on different side surfaces is reduced, and the accuracy of measurement is improved; secondly, the three sides coated with the light absorbing layer 423 have a U-shaped layout, which can further absorb the light affecting the measurement accuracy, and improve the accuracy, specifically, when the light irradiated thereon is partially absorbed by one side, the unabsorbed light is refracted out, and then the light will be further emitted to the other side and further absorbed by the other side, because the light absorbing layer 423 has a high light absorbing rate, even if the light is reflected to the side provided with the first photosensitive element 421, the influence on the measurement accuracy is small.

According to a preferred embodiment, the light absorbing layer 423 may use a light absorbing material having an existing light absorption rate of 95% or more. For example, the light absorbing material may be carbon nanotubes. Further, for example, Vantablack or carbon nanotube forest Vertically aligned carbon nanotube. As another example, the light absorbing material may be graphene. Further, for example, nano-texture based ultra-thin graphene sheets developed at the university of saliy, england.

According to a preferred embodiment, the light entrance of each light sensing hole 424 may be sealed with a light transmissive sheet 425. A light-transmitting sheet 425 may be provided at the light inlet of each light-sensing hole 424. The light-transmitting sheet 425 may close the light inlet of the light-sensing hole 424. A vacuum may be drawn inside each photosensitive opening 424. The measurement module 420 may include a cooling element 426 to dissipate heat from each of the sensing bores 424. Preferably, the cooling element 426 may be a water cooling device or an air conditioner. The cooling tubes 427 of the cooling member 426 may be helically wound around the periphery of the photosensitive bore 424. The cooling element 426 is arranged to keep the temperature inside the light sensing hole 424 below 60 °, preferably the cooling element 426 may be arranged to keep the temperature inside the light sensing hole 424 below 50 °, particularly preferably the cooling element 426 is arranged to keep the temperature inside the light sensing hole 424 below 30 °, most preferably the cooling element 426 is arranged to keep the temperature inside the light sensing hole 424 between 25-30 °. The cooling medium in the cooling member 426 may be spiraled downward from the upper portion of the light-sensing hole 424 around the periphery of the light-sensing hole 424 along the cooling pipe 427 to reduce the temperature difference between the upper and lower portions of the light-sensing hole 424. Preferably, the distance between adjacent turns of the wound cooling pipe 427 is increased from small to large in the direction from the upper portion to the lower portion of the photosensitive bore 424. The invention can at least realize the following beneficial technical effects by adopting the mode: firstly, the photosensitive hole 424 is vacuumized to avoid the formation of water drops in the photosensitive hole 424 to influence the accuracy of measurement, and meanwhile, the photosensitive element can be protected, so that the photooxidation is reduced, and the aging speed of the photosensitive element is reduced; secondly, as the photosensitive element is arranged outdoors, the sealed and vacuumized photosensitive hole 424 can prevent dust from entering, reduce the influence of dust accumulation in the photosensitive hole 424 on the measurement precision and facilitate later maintenance; thirdly, the cooling element 426 can reduce the temperature drift and noise of the photosensitive element caused by overhigh temperature, and improve the measurement precision; fourth, since the upper portion of the sensing hole is generally illuminated for a longer time than the lower portion, the temperature rises faster than the lower portion, and therefore, the cooling medium flows from the top to the bottom first, so as to reduce the temperature difference between the upper portion and the lower portion of the sensing hole 424, and improve the measurement accuracy.

According to a preferred embodiment, two light sensing holes 424 of the four light sensing holes 424 of the measuring module 420 having two first light sensing elements 421 facing each other may be used to measure light components of the first and second directions. The other two light sensing holes 424 having the other two first light sensing elements 421 facing each other among the four light sensing holes 424 of the measuring module 420 may be used to measure light components of the second and third directions. The light sensing controller 410 may calculate a light ray direction based on at least the light components of the first direction, the second direction, and the third direction. The first direction, the second direction and the third direction may be at an angle of 90 ° to each other. The first direction may be perpendicular to the light-sensing surfaces of the first light-sensing elements 421 in the two light-sensing holes 424. The second direction may be perpendicular to the light-sensing surface of the first light-sensing element 421 in the other two light-sensing holes 424. The third direction may be parallel to the hole depth direction of the light sensing holes 424. The invention can at least realize the following beneficial technical effects by adopting the mode: the arrangement of the light sensing elements from the aperture of the light sensing hole 424 to the bottom of the hole greatly improves the accuracy compared to conventional light cylinder type sun position sensors.

According to a preferred embodiment, the bottom of each light-sensing hole 424 of the measuring module 420 is provided with a second light-sensing element 422, the light-sensing surface of the second light-sensing element 422 in each light-sensing hole 424 is perpendicular to the light-sensing surface of the first light-sensing element 421 in the light-sensing hole 424, and the light-sensing controller 410 confirms that the light-sensing controller 410 is in a dark environment space when neither the first light-sensing element 421 nor the second light-sensing element 422 senses light.

According to a preferred embodiment, the photosensitive assembly 400 may include at least two measurement modules 420. The at least two measurement modules 420 may be a first measurement module 420A and/or a second measurement module 420B. The at least two measuring modules 420 may include a first measuring module 420A that is stationary and/or a second measuring module 420B that is added with an actuating portion 600 to enable movement as compared to the first measuring module 420A. The second measurement module 420B may change the orientation of the light sensing aperture 424 on the second measurement module 420B when active. After the light sensing controller 410 calculates the light direction of the environmental space where the solar panel SP is located based on the light sensing pattern sensed by the first light sensing element 421 disposed in the light sensing hole 424 of the first measurement module 420A, the light sensing controller 410 may adjust the angle of the second measurement module 420B based on the calculated light direction to dynamically verify the calculated light direction. The light sensing controller 410 transmits the calculated light direction to the control module 500 after the calculated light direction passes the verification.

According to a preferred embodiment, the process of the light sensing controller 410 adjusting the angle of the second measurement module 420B based on the calculated light direction to dynamically verify the calculated light direction may include: the light sensing controller 410 first controls the actuating portion 600 to rotate the second measuring module 420B, so that the depth direction of each light sensing hole 424 of the second measuring module 420B is parallel to the calculated light direction, and in a static state where the depth direction of each light sensing hole 424 is parallel to the calculated light direction, four first light sensing elements 421 of the second measuring module 420B measure four first verification light sensing data and four second light sensing elements 422 of the second measuring module 420B measure four second verification light sensing data; the light sensing controller 410 performs primary verification based on the four second verification light sensing data; the light sensing controller 410 performs secondary verification based on four first verification light sensing data under the condition that the calculated light direction passes the primary verification; and the light sensing controller 410 confirms that the calculated light direction passes at least one step in the verification in the case that the calculated light direction passes the secondary verification. Preferably, the actuating portion 600 may include a first actuating element 610 and/or a second actuating element 620. The first actuating element 610 and the second actuating element 620 may drive the second measurement module 420B to rotate about two axes perpendicular to each other. Preferably, the first actuation element 610 and/or the second actuation element 620 may be a motor, for example, a stepper motor.

According to a preferred embodiment, when the light sensing controller 410 performs the primary verification based on the four second verification light sensing data, the light sensing controller 410 analyzes the four second verification light sensing data to obtain that more than 90% of the light sensing units of the four second light sensing elements 422 all sense the current ambient light, and thus it can be determined that the calculated light direction passes the primary verification. When the light sensing controller 410 performs the secondary verification based on the four first verification light sensing data, the light sensing controller 410 analyzes the four first verification light sensing data to obtain the same light sensing amount variation trend sensed by the light sensing units arranged from the upper portion to the lower portion of the light sensing hole 424 on the four first light sensing elements 421, and can confirm that the calculated light direction passes the secondary verification when the light sensing amount of the light sensing unit only close to the upper portion of the light sensing hole 424 is the maximum.

According to a preferred embodiment, when the calculated light direction does not pass the primary verification or the secondary verification, the light sensing controller 410 controls the actuating portion 600 to rotate the second measuring module 420B and to acquire the light sensing parameters measured by the four first light sensing elements 421 and the four second light sensing elements 422 as a reference for adjusting the rotation direction during the rotation until the second measuring module 420B is rotated to a specific direction in which more than 90% of the light sensing units of the four second light sensing elements 422 sense the current ambient light, and the light sensing units arranged from the upper portion to the lower portion of the light sensing holes 424 on the four first light sensing elements 421 sense the same light sensing amount variation trend, and the light sensing amount of the light sensing units close to the upper portion of the light sensing holes 424 is the largest. The exposure controller 410 may update the calculated light direction based on the particular direction. The light sensing controller 410 may send data of the updated light direction to the control module 500. The control module 500 may obtain updated light direction from the light sensing controller 410.

According to a preferred embodiment, a photosensitive element 400 can be used for sensing the variation trend of the light direction and/or the incident direction of the light in the environmental space. The light direction sensor 400 may include a light sensing controller 410 and a measurement module 420. The measurement module 420 may include at least four sensing apertures 424. The light-sensing holes 424 may be at least quadrilateral holes and may be arranged equidistant from each other. The photosensitive holes are preferably arranged in a field shape. The photosensitive holes 424 are provided with photosensitive elements extending from the respective openings to the bottom along the inner wall, so that when the angle between the incident direction of light and the hole depth direction is changed, the photosensitive pattern formed on the photosensitive element arranged in at least one of the photosensitive holes 424 is changed. The light-sensing elements in the light-sensing holes 424 different from each other may face in different directions from each other, so that the light-sensing controller 410 can calculate the light incidence direction and/or the variation trend of the light incidence direction of the current environmental space based on the light-sensing patterns and/or the variation of the light-sensing patterns sensed by the light-sensing elements. Preferably, the actuating portion 600 may determine the rotation direction of the second measuring module 420B in advance according to the variation trend of the incident direction of the light. The invention can at least realize the following beneficial technical effects by adopting the mode: firstly, the invention can quickly determine the rotation direction of the second measurement module 420B in advance so as to shorten the verification time of the light direction; secondly, different from the existing cylinder type sensor which only adopts a sensor with a small area at the bottom to measure the light spot entering the small hole, the invention adopts a sensor with a large area arranged on the hole wall to obtain more photosensitive data so as to more accurately measure the change trend of the incident direction of the light. In addition, heat dissipation is required because of the temperature difference and temperature drift that need to be taken into account, even with large area sensors.

According to a preferred embodiment, the angle adjusting part 200 may include a first driving part 210 and a second driving part 220. The first driving part 210 may rotate the support part 100 about a first pivot axis. The second driving part 220 may rotate the support part 100 about the second pivot axis. The first and second pivot axes may be perpendicular to each other. The first driving part 210 may be used to adjust a first relative rotation angle of the support part 100 and the bracket 300. The second driving part 220 may be used to adjust a second relative rotation angle of the support part 100 and the bracket 300. Preferably, the control module 500 may control the first driving part 210 and the second driving part 220 to rotate the corresponding supporting parts 100 according to the movement of the position of the sun so that the light-sensing surfaces of the corresponding solar panels SP move in the direction of the sun by using at least the calculated light direction. Preferably, the supporting portion 100 may be pivotally connected to the intermediate connecting portion 230. Preferably, the first driving part 210 may be a hydraulic lever or an electric push rod. One end of the first driving part 210 may be hinged on the support part 100. The other end of the first driving part 210 may be hinged on the intermediate connection part 230. The intermediate connecting portion 230 may be pivotally connected to the bracket 300. Alternatively, the first driving part 210 may be a motor, for example, a stepping motor, and is disposed at the pivot joint between the supporting part 100 and the intermediate connecting part 230. The second driving part 220 may be a motor, for example, a stepping motor. The second driving part 220 may be provided on the bracket 300.

According to another preferred embodiment, the light sensing controller 410 may first control the actuator 600 to rotate the second measuring module 420B such that the depth direction of each light sensing hole 424 of the second measuring module 420B is parallel to the calculated light direction. The light sensing controller 410 may enable the four first light sensing elements 421 of the second measurement module 420B to measure four first basic parameters and enable the second light sensing elements 422 of the second measurement module 420B to measure a second basic parameter in a static state where the depth direction of each light sensing hole 424 is parallel to the calculated light direction. The light sensing controller 410 may control the actuator 600 to rotate the second measuring module 420B around two axes perpendicular to each other in sequence with the calculated light direction as a center. The photosensitive controller 410 may make the four first photosensitive elements 421 measure a plurality of first verification parameters and make the second photosensitive elements 422 measure a plurality of second verification parameters during the rotation of the second measuring module 420B. The light sensing controller 410 may analyze the calculated error of the light direction based on the comparison of the first verification parameter with the first base parameter and the comparison of the second verification parameter with the second base parameter. The light sensing controller 410 may confirm that the calculated light direction is verified when the error of the light direction is less than or equal to a preset error threshold.

According to a preferred embodiment, the system may include an attitude sensing module 700. The posture sensing module 700 may be provided on the support part 100 to sense posture data of the support part 100 including at least an inclination angle of the support part 100. After the control module 500 controls the corresponding angle adjustment part 200 based on the light direction to rotate the corresponding support part 100 along with the movement of the sun position, the control module 500 may verify the actual tilt angle of the support part 100 based on the posture data sensed by the posture sensing module 700. When the deviation of the actual inclination angle from the target inclination angle exceeds the preset threshold, the control module 500 may control the support part 100 to adjust again based on the posture data so that the deviation of the actual inclination angle from the target inclination angle is less than the preset threshold.

According to a preferred embodiment, the control module 500 may control the corresponding angle adjustment unit 200 to rotate the corresponding support unit 100 according to the movement of the position of the sun based on the attitude data and the light direction in a closed loop manner, so that the light-sensing surface of the corresponding solar panel SP moves in the direction of the sun. Preferably, the closed-loop control may mean that the control module 500 continuously acquires the posture data sensed by the posture sensing module 700 while controlling the angle adjustment part 200 to adjust the angle, and discriminates whether the angle is adjusted in place based on the posture data.

According to a preferred embodiment, the system may comprise an electrical storage device. The electric power storage device can store electric energy generated by the solar panel. The electrical storage device may supply power to some or all of the electrical components of the system.

Example 2

This embodiment may be a further improvement and/or a supplement to embodiment 1, and repeated contents are not described again. The embodiment discloses an adjustable solar power generation method, or a power generation method with an adjustable solar panel angle. The method may be implemented by the system of the present invention and/or other alternative components. For example, the method of the present invention may be implemented using various components of the system of the present invention. The preferred embodiments of the present invention are described in whole and/or in part in the context of other embodiments, which can supplement the present embodiment, without resulting in conflict or inconsistency.

According to a preferred embodiment, the method comprises: the system of the invention is used for solar power generation.

The word "module" as used herein describes any type of hardware, software, or combination of hardware and software that is capable of performing the functions associated with the "module".

It should be noted that the above-mentioned embodiments are exemplary, and that those skilled in the art, having benefit of the present disclosure, may devise various arrangements that are within the scope of the present disclosure and that fall within the scope of the invention. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. An adjustable solar power system, the system comprising:

a support (100) usable for carrying at least one Solar Panel (SP);

an angle adjustment unit (200) that can be used to adjust the angle of the support unit (100);

a bracket (300), wherein the bracket (300) is connected to a support part (100) via the angle adjustment part (200);

the light sensing assembly (400) can be used for sensing the light direction of the environment space where the corresponding Solar Panel (SP) is located; and

a control module (500) which controls the corresponding angle adjusting part (200) to rotate the corresponding supporting part (100) along with the movement of the position of the sun at least based on the light direction sensed by the photosensitive assembly (400) so as to enable the photosensitive surface of the corresponding Solar Panel (SP) to move towards the direction of the sun;

it is characterized in that the preparation method is characterized in that,

the light sensing assembly (400) comprises four first light sensing elements (421) arranged in a light sensing hole (424), the light sensing hole (424) is a square hole, the four first light sensing elements (421) are arranged along the side wall of the square hole and face four different directions, the first light sensing elements (421) are arranged from the hole opening to the hole bottom of the light sensing hole, and the light sensing assembly (400) calculates the light direction of an environment space at least based on a light sensing graph formed on at least one of the four first light sensing elements;

the photosensitive assembly (400) comprises a photosensitive controller (410) and a measuring module (420), wherein the measuring module (420) comprises four photosensitive holes (424) which are isolated from each other, the four photosensitive holes (424) are square holes, and the four photosensitive holes (424) are arranged in a field shape;

the four first photosensitive elements (421) are respectively arranged in one of the four photosensitive holes (424), one side surface of four side surfaces of each photosensitive hole (424) is provided with the first photosensitive element (421) which is arranged in parallel to the side surface, and the directions of the four side surfaces of the four photosensitive holes (424) in which the first photosensitive elements (421) are arranged are different from each other;

the bottom of each light sensing hole (424) is also provided with a second light sensing element (422), and the light sensing surface of the second light sensing element (422) in each light sensing hole (424) is vertical to the light sensing surface of the first light sensing element (421) in the light sensing hole (424);

when light irradiates the bottoms of the light sensing holes (424), the light sensing controller (410) calculates the light direction of the environment space where the corresponding Solar Panel (SP) is located at least based on the light sensing patterns sensed by the first light sensing element (421) and the second light sensing element (422) arranged in the four light sensing holes (424);

a light absorbing layer 423 of black is provided on three sides of four sides within each light sensing hole 424 except for the side on which the first light sensing element 421 is disposed, and the light absorbing layer 423 has an absorptivity of 80% or more to light irradiated thereon to reduce an influence of multiple reflections generated when the light is irradiated onto the three sides on which the first light sensing element 421 is not provided on a light sensing pattern sensed by the first light sensing element 421 and/or the second light sensing element 422;

the supporting part (100) is provided with an attitude sensing module (700), and the control module (500) realizes verification of the actual inclination angle of the supporting part (100) according to attitude data sensed by the attitude sensing module (700) when controlling the angle adjusting part (200) to adjust the angle;

the photosensitive assembly (400) comprises at least two measuring modules (420), the at least two measuring modules (420) comprise a fixed first measuring module (420A) and a second measuring module (420B) which is added with an actuating part (600) compared with the first measuring module (420A) so as to be movable, when the second measuring module (420B) moves, the orientation of a photosensitive hole (424) on the second measuring module (420B) can be changed, after the photosensitive controller (410) calculates the light direction of the environment space where the Solar Panel (SP) is located based on a photosensitive graph sensed by a first photosensitive element (421) arranged in the photosensitive hole (424) of the first measuring module (420A), the photosensitive controller (410) adjusts the angle of the second measuring module (420B) based on the calculated light direction so as to dynamically verify the calculated light direction, and transmitting the calculated light direction to the control module (500) after the light direction passes verification;

the photosensitive controller (410) controls the actuating part (600) to enable the second measuring module (420B) to rotate to enable the depth direction of each photosensitive hole (424) of the second measuring module (420B) to be parallel to the calculated light direction, the photosensitive controller (410) enables four first photosensitive elements (421) of the second measuring module (420B) to measure four first basic parameters and enables a second photosensitive element (422) of the second measuring module (420B) to measure a second basic parameter under the static state that the depth direction of each photosensitive hole (424) is parallel to the calculated light direction, the photosensitive controller (410) controls the actuating part (600) to enable the second measuring module (420B) to rotate around two mutually vertical axes in sequence under the condition that the calculated light direction is taken as the center, and the photosensitive controller (410) enables the four first photosensitive elements (421) to measure a plurality of first verification parameters and enables the second photosensitive element (421) to measure a plurality of second verification parameters in the process that the second measuring module (420B) rotates The element (422) measures a plurality of second verification parameters, the photosensitive controller (410) analyzes and calculates errors of the light direction based on the comparison between the first verification parameters and the first basic parameters and the comparison between the second verification parameters and the second basic parameters, and the photosensitive controller (410) confirms that the calculated light direction passes the verification when the errors of the light direction are less than or equal to a preset error threshold.

2. The system of claim 1, wherein the light inlet of each light sensing hole (424) is sealed with a light transmitting sheet (425) and a vacuum is drawn inside each light sensing hole (424), the measuring module (420) further comprises a cooling member (426) for dissipating heat from each light sensing hole (424), a cooling pipe (427) of the cooling member (426) is spirally wound around the periphery of the light sensing hole (424), the cooling member (426) is arranged to keep the temperature inside the light sensing hole (424) below 50 °, and a cooling medium in the cooling member (426) is spirally moved downward from the upper portion of the light sensing hole (424) around the periphery of the light sensing hole (424) along the cooling pipe (427) to reduce a temperature difference between the upper portion and the lower portion of the light sensing hole (424).

3. The system according to claim 2, wherein two light sensing holes (424) of the four light sensing holes (424) of the measuring module (420) having two first light sensing elements (421) facing each other are usable for measuring light components in a first direction and a second direction, wherein two other light sensing holes (424) of the four light sensing holes (424) of the measuring module (420) having two other first light sensing elements (421) facing each other are usable for measuring light components in the second direction and a third direction, and wherein the light sensing controller (410) calculates the light direction based on at least the light components in the first direction, the second direction and the third direction, wherein the first direction, the second direction and the third direction are at an angle of 90 ° with respect to each other.

4. The system of claim 3, wherein the process of the sensitization controller (410) adjusting the angle of the second measurement module (420B) based on the calculated ray direction to dynamically verify the calculated ray direction comprises:

the photosensitive controller (410) controls the actuating part (600) to enable the second measuring module (420B) to rotate so that the depth direction of each photosensitive hole (424) of the second measuring module (420B) is parallel to the calculated light ray direction, and four first photosensitive elements (421) of the second measuring module (420B) measure four first verification photosensitive data and four second verification photosensitive data are measured by four second photosensitive elements (422) of the second measuring module (420B) under the static state that the depth direction of each photosensitive hole (424) is parallel to the calculated light ray direction;

the sensitization controller (410) performs primary verification based on four second verification sensitization data;

the sensitization controller (410) performs secondary verification based on four first verification sensitization data under the condition that the calculated light direction passes the primary verification;

the sensitization controller (410) confirms that the calculated light direction passes the verification in the case that the calculated light direction passes the secondary verification.

5. The system of claim 4, wherein when the light sensing controller (410) performs the primary verification based on the four second verification light sensing data, the light sensing controller (410) analyzes the four second verification light sensing data to determine that the calculated light direction passes the primary verification when more than 90% of the light sensing units of the four second light sensing elements (422) sense the current ambient light; and

when the photosensitive controller (410) performs secondary verification based on the four first verification photosensitive data, the photosensitive controller (410) analyzes the four first verification photosensitive data to obtain the same photosensitive quantity variation trend sensed by the photosensitive units arranged from the upper part to the lower part of the photosensitive hole (424) on the four first photosensitive elements (421), and confirms that the calculated light direction passes the secondary verification when the photosensitive quantity of the photosensitive unit close to the upper part of the photosensitive hole (424) is maximum.

6. The system according to claim 5, wherein when the calculated light direction fails the primary verification or the secondary verification, the photosensitive controller (410) controls the actuating portion (600) to rotate the second measuring module (420B) and acquire the photosensitive parameters measured by the four first photosensitive elements (421) and the four second photosensitive elements (422) as a reference for adjusting the rotation direction during the rotation until the second measuring module (420B) is rotated to a specific direction in which more than 90% of the four second photosensitive elements (422) sense the current ambient light and the photosensitive units arranged from the upper portion to the lower portion of the photosensitive holes (424) on the four first photosensitive elements (421) sense the same photosensitive quantity variation trend and the photosensitive quantity of the photosensitive units arranged near the upper portion of the photosensitive holes (424) is the largest, and updating the calculated ray direction based on the particular direction.

7. The system according to claim 6, wherein the angle adjusting part (200) comprises a first driving part (210) and a second driving part (220), the first driving part (210) can rotate the support part (100) around a first pivot axis, the second driving part (220) can rotate the support part (100) around a second pivot axis, and the first pivot axis and the second pivot axis are perpendicular to each other, the first driving part (210) is used for adjusting a first relative rotation angle of the support part (100) and the bracket (300), the second driving part (220) is used for adjusting a second relative rotation angle of the support part (100) and the bracket (300), the control module (500) controls the first driving part (210) and the second driving part (220) to rotate the corresponding support part (100) with the movement of the sun position based on at least the posture data and the light direction to enable the corresponding Solar Panel (SP) to feel like The light surface moves towards the sun.