CN117833792A

CN117833792A - Sun tracking system

Info

Publication number: CN117833792A
Application number: CN202311794778.XA
Authority: CN
Inventors: 刘洪超; 王志强; 罗俏靖
Original assignee: Shenzhen Purple Lighting Technology Co ltd
Current assignee: Shenzhen Purple Lighting Technology Co ltd
Priority date: 2023-12-22
Filing date: 2023-12-22
Publication date: 2024-04-05

Abstract

The embodiment of the invention discloses a sun tracking system, which comprises a photovoltaic tracking solar bracket, a solar component and a control component, wherein the photovoltaic tracking solar bracket comprises a supporting component and a driving component, the supporting component is arranged on a working surface, the driving component is arranged on the supporting component, the driving component is connected with the solar component and is used for driving the solar component to move, so that the solar component can move along with the sun, the control component comprises a driving plate and a camera, the driving plate and the camera are both arranged on the supporting component, the driving plate is electrically connected with the camera and is electrically connected with the driving component, the camera can detect the imaging position of a solar spot and transmit position information to the driving plate, so that the driving component can drive the solar component to move under the control of the driving plate, the solar component can accurately aim at the sun, and the power generation efficiency is improved.

Description

Sun tracking system

Technical Field

The invention relates to the technical field of new energy, in particular to a sun tracking system.

Background

Solar energy is getting more and more attention because of cleanliness and acquisition convenience. Because of the difference of sun sunshine angles, the effective power generation time of a general fixed solar power generation system is shorter, and the solar power generation system adopting the sun tracking system can lead power generation carriers such as a photovoltaic panel and the like to be opposite to the sun for a long time, thereby prolonging the effective power generation time. In the using process of the existing sun tracking system, the sun tracking precision is not high, so that the power generation efficiency is affected.

Disclosure of Invention

Based on this, it is necessary to provide a sun tracking system, which aims to solve the technical problem that the current sun tracking system may not have high sun tracking precision in the using process, thereby influencing the power generation efficiency.

The invention provides a sun tracking system which comprises a photovoltaic tracking solar bracket, a solar component and a control component, wherein the photovoltaic tracking solar bracket comprises a supporting component and a driving component, the supporting component is arranged on a working surface, the driving component is arranged on the supporting component, the driving component is connected with the solar component and is used for driving the solar component to move, the control component comprises a driving plate and a camera, the driving plate and the camera are both arranged on the supporting component, the driving plate is electrically connected with the camera and is electrically connected with the driving component, the camera can detect the imaging position of a solar facula and transmit position information to the driving plate, and the driving component can drive the solar component to move under the control of the driving plate.

In one embodiment, the control assembly further includes a positioning module electrically connected to the driving board and configured to calculate an azimuth angle and an altitude angle of the solar module.

In one embodiment, the control assembly further comprises a gyroscope electrically connected to the drive plate and configured to obtain the attitude of the solar module.

In one embodiment, the sun tracking system further comprises a limit switch, a wind speed sensor, a hall sensor and a wireless transmission module, wherein the limit switch is electrically connected with the driving plate and used for limiting the rotation position of the driving assembly;

the wind speed sensor is electrically connected with the driving plate and is used for sensing the current wind speed;

the Hall sensor is electrically connected with the driving plate and is used for calculating the rotation angle of the driving assembly;

the wireless transmission module is electrically connected with the driving plate and used for controlling the operation of the sun-tracking system;

the drive board is provided with a serial port which is in communication connection with the upper computer and is used for transmitting data.

In one embodiment, the driving assembly includes a first driving motor, a second driving motor and a rotating shaft, the first driving motor is mounted on the supporting assembly, the first driving motor is connected with the second driving motor and used for driving the second driving motor to rotate around a first axis, the second driving motor is connected with the rotating shaft and used for driving the rotating shaft to rotate around a second axis, the first axis is arranged at an included angle with the second axis, and the rotating shaft is connected with the solar module so that the solar module can change angles.

In one embodiment, the driving assembly further includes a first fastener and a second fastener, the supporting assembly includes a supporting seat, and a supporting column connected to the supporting seat, the first fastener and the second fastener are each provided with a plurality of fasteners, each of the first fasteners is distributed along a circumferential direction of the supporting column, each of the first fasteners penetrates through the supporting column and is connected to the first driving motor, each of the second fasteners is distributed along a circumferential direction of the rotating shaft, and each of the second fasteners penetrates through the rotating shaft and is connected to the second driving motor.

In one embodiment, the solar module includes a photovoltaic panel module and a bracket mounted to the rotating shaft, the photovoltaic panel module being mounted to the bracket.

In one embodiment, the solar module further comprises a locking member, the locking member comprises a first locking portion and a second locking portion, and the first locking portion can penetrate through a support and is connected with the second locking portion so as to fix the support on the rotating shaft.

In one embodiment, the photovoltaic panel module includes a first panel, a second panel, and a connection frame, wherein the first panel is mounted on the support, and the second panel is mounted on the support through the connection frame.

In one embodiment, the control assembly further comprises a control box, a power module and an inverter, wherein the control box is installed on the support, the control box is provided with a containing space, the driving plate, the power module and the inverter are all installed in the containing space, and the power module is electrically connected with the driving plate through the inverter.

The implementation of the embodiment of the invention has the following beneficial effects:

according to the sun tracking system, the supporting component of the sun tracking system is arranged on the working face, the driving component is arranged on the supporting component, the driving component is connected with the solar component and used for driving the solar component to move, so that the solar component can move along with the sun, the driving board and the camera are both arranged on the supporting component, the driving board is electrically connected with the camera and is electrically connected with the driving component, the camera can detect the imaging position of a solar facula and transmit position information to the driving board, and the driving component can drive the solar component to move under the control of the driving board, so that the solar component can accurately aim at the sun, and the power generation efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

FIG. 1 is an isometric view of a sun-tracking system according to one embodiment.

Fig. 2 is a first angle schematic diagram of the sun-tracking system shown in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion a of the sun-tracking system shown in fig. 2.

Fig. 4 is a second angular schematic view of the sun-tracking system shown in fig. 1.

Fig. 5 is a partially enlarged schematic view of a portion B in the sun-tracking system shown in fig. 4.

Fig. 6 is a schematic diagram of a positioning module and a driving board in the sun-tracking system shown in fig. 1.

Reference numerals:

1. a support assembly; 11. a support base; 12. a support column;

2. a drive assembly; 21. a first driving motor; 22. a second driving motor; 23. a rotating shaft; 24. a first fastener; 25. a second fastener; 26. a first limit switch; 27. a second limit switch;

3. a solar module; 31. a photovoltaic panel module; 311. a first plate body; 312. a second plate body; 313. a connecting frame; 32. a bracket; 33. a locking member; 331. a first locking part; 332. a second locking part;

4. a control assembly; 41. a control box; 411. an accommodating space; 42. a power module; 43. an inverter; 44. a driving plate; 441. a first interface; 442. a second interface; 443. a third interface; 444. a fourth interface; 445. a fifth interface; 446. a sixth interface; 447. a seventh interface; 45. a positioning module;

5. a wind speed sensor; 6. a camera is provided.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Referring to fig. 1 to 6, a sun tracking system according to the present invention will be described. The sun tracking system comprises a photovoltaic tracking solar support, a solar module 3 and a control module 4, wherein the photovoltaic tracking solar support comprises a support module 1 and a driving module 2, the support module 1 is installed on a working surface, the driving module 2 is installed on the support module 1, the driving module 2 is connected with the solar module 3 and used for driving the solar module 3 to move, the control module 4 comprises a driving plate 44 and a camera 6, the driving plate 44 and the camera 6 are all installed on the support module 1, the driving plate 44 is electrically connected with the camera 6 and electrically connected with the driving module 2, the camera 6 can detect the imaging position of a solar facula and transmit position information to the driving plate 44, so that the driving module 2 can drive the solar module 3 to move under the control of the driving plate 44.

It can be appreciated that the support component 1 of the sun tracking system is mounted on a working surface, the driving component 2 is mounted on the support component 1, the driving component 2 is connected with the solar component 3 and used for driving the solar component 3 to move, so that the solar component 3 can move along with the sun, the driving plate 44 and the camera 6 are both mounted on the support component 1, the driving plate 44 is electrically connected with the camera 6 and electrically connected with the driving component 2, the camera 6 can detect the imaging position of a solar light spot and transmit position information to the driving plate 44, so that the driving component 2 can drive the solar component 3 to move under the control of the driving plate 44, and the solar component 3 can accurately align with the sun, thereby improving the power generation efficiency.

It should be noted that, the camera 6 can detect whether the solar facula is in the imaging center, and can determine whether the plane of the solar module 3 is perpendicular to the incident ray of the sun, and accurately adjust the position of the driving module 2 to drive the solar module 3, so that the solar module 3 is perpendicular to the incident angle of the sun, thereby realizing high precision sun alignment.

It should be noted that the driving board 44 is provided with a first interface 441, and the camera 6 is electrically connected to the first interface 441.

In this embodiment, the control module 4 further includes a positioning module 45, and the positioning module 45 is electrically connected to the driving board 44 and is used for calculating the azimuth angle and the altitude angle of the solar module 3. Specifically, the positioning module 45 is a GPS, and is capable of acquiring the longitude and latitude and time of the solar module 3, and calculating the azimuth angle and the altitude angle according to the time and the longitude and latitude. After the azimuth angle and the altitude angle are obtained, the driving plate 44 controls the driving component 2 to rotate, and the driving component 2 drives the solar component 3 to move. The positioning module 45 is arranged to obtain the approximate sun angle and azimuth, so that the scene that the solar module 3 has low requirements on the sun is realized.

Further, the control assembly 4 further includes a gyroscope electrically connected to the driving board 44, and configured to obtain the posture of the solar module 3. Specifically, the driving board 44 is provided with a second interface 442, and the gyroscope is electrically connected with the second interface 442, so that the gyroscope can obtain the posture of the solar module 3, and the sun tracking system is convenient to debug.

Of course, in other embodiments, a gyroscope may not be required, thus saving cost, when the mounting orientation and limit zero angle of the drive assembly 2 can be determined.

Further, the sun tracking system further comprises a limit switch, a wind speed sensor 5, a hall sensor and a wireless transmission module, wherein the limit switch is electrically connected with the driving plate 44 and used for limiting the rotation position of the driving assembly 2. The driving plate 44 is provided with a third interface 443, and a limit switch is electrically connected with the third interface 443, and the limit switch can detect whether the driving assembly 2 reaches a limit position or not, so as to prevent the solar assembly 3 from exceeding a set movement range. Naturally, the limit switch can also be used as a mechanical zero point to judge whether the solar module 3 returns to the zero point, so that the rotation angle of the driving module 2 can be corrected.

Further, the wind speed sensor 5 is electrically connected to the driving board 44, and is used for sensing the current wind speed. The driving plate 44 is provided with a fourth interface 444, the wind speed sensor 5 is electrically connected with the fourth interface 444, the wind speed sensor 5 can measure the current wind speed and is used for judging whether the wind is in a windy weather, when the wind is in the windy weather, the driving plate 44 controls the driving assembly 2 to drive the solar assembly 3 to be horizontal with the working surface, the stress area of the solar assembly 3 and wind is reduced, and therefore wind resistance is reduced.

Further, the hall sensor is electrically connected to the driving board 44, and is used for calculating the rotation angle of the driving assembly 2. By providing a hall sensor, the rotation angle of the drive assembly 2 can be calculated, thereby calculating the rotation speed of the drive assembly 2.

Further, the wireless transmission module is electrically connected to the driving board 44 and is used for controlling the operation of the sun-tracking system. Through setting up wireless transmission module for the operation that the operator can remote control chase after the day system, the simple operation.

Further, the driving board 44 is provided with a serial port, and the serial port is in communication connection with the host computer and is used for transmitting data. The operator can remotely operate the upper computer and view specific data of the daily system on the upper computer.

In an embodiment, as shown in fig. 1 to 5, the driving assembly 2 includes a first driving motor 21, a second driving motor 22, and a rotation shaft 23, the first driving motor 21 is mounted on the supporting assembly 1, the first driving motor 21 is connected to the second driving motor 22, and is used for driving the second driving motor 22 to rotate around a first axis, the second driving motor 22 is connected to the rotation shaft 23, and is used for driving the rotation shaft 23 to rotate around a second axis, the first axis is disposed at an angle with the second axis, and the rotation shaft 23 is connected to the solar module 3, so that the solar module 3 can change angles.

It will be appreciated that the first drive motor 21 of the photovoltaic tracking solar support is mounted on the support assembly 1, the first drive motor 21 is connected with the second drive motor 22 and is used for driving the second drive motor 22 to rotate around a first axis, the second drive motor 22 is connected with the rotating shaft 23 and is used for driving the rotating shaft 23 to rotate around a second axis, the first axis is arranged at an included angle with the second axis, and the rotating shaft 23 is connected with the solar module 3 so that the solar module 3 can change the angle, and the solar module 3 can adjust the angle of the solar module 3 according to the change of the angle of the sun so as to maximize the power generation efficiency of the solar module 3.

Specifically, the driving board 44 is provided with a fifth interface 445 and a sixth interface 446, the first driving motor 21 is electrically connected to the sixth interface 446, and the second driving motor 22 is electrically connected to the fifth interface 445.

It should be noted that, the first driving motor 21 drives the second driving motor 22 to rotate around the first axis, the second driving motor 22 drives the rotating shaft 23 to rotate around the second axis, and the first axis and the second axis form an included angle, and the included angle is 90 degrees.

The solar tracking support can be used for photovoltaic power generation and occasions where solar spotlights need to track the sun.

In this embodiment, the driving assembly 2 further includes a first fastening member 24 and a second fastening member 25, the supporting assembly 1 includes a supporting seat 11, and a supporting column 12 connected to the supporting seat 11, the first fastening member 24 and the second fastening member 25 are each provided in plurality, each first fastening member 24 is distributed along a circumferential direction of the supporting column 12, each first fastening member 24 penetrates the supporting column 12 and is connected to the first driving motor 21, each second fastening member 25 is distributed along a circumferential direction of the rotating shaft 23, and each second fastening member 25 penetrates the rotating shaft 23 and is connected to the second driving motor 22.

Specifically, the first fastener 24 and the second fastener 25 are bolts. By providing the plurality of first fasteners 24, each of the first fasteners 24 can be distributed along the circumferential direction of the support column 12, so that the first driving motor 21 can be stably mounted on the support column 12. By providing a plurality of second fasteners 25, each second fastener 25 can be distributed along the circumferential direction of the rotation shaft 23, so that the rotation shaft 23 can be stably mounted on the second driving motor 22.

In one embodiment, as shown in fig. 2 to 4, two limit switches are provided, and are a first limit switch 26 and a second limit switch 27, respectively, the first limit switch 26 is mounted on the support column 12 and is used for limiting the rotation angle of the first driving motor 21, and the second limit switch 27 is mounted on the second driving motor 22 and is used for limiting the rotation angle of the rotation shaft 23. By providing the first limit switch 26, the rotation angle of the first drive motor 21 to drive the solar module 3 can be limited. By providing the second limit switch 27, the rotation angle of the solar module 3 driven by the rotation shaft 23 driven by the second driving motor 22 can be limited.

In practice, the first limit switch 26 may be provided with two limit positions to limit the rotation of the first driving motor 21, and the second limit switch 27 may be provided with two limit positions to limit the rotation of the rotation shaft 23 driven by the second driving motor 22, so as to avoid interference between the solar module 3 and other components of the photovoltaic tracking solar rack.

In one embodiment, as shown in fig. 2 and 3, the solar module 3 includes a photovoltaic panel module 31 and a bracket 32, the bracket 32 is mounted on the rotation shaft 23, and the photovoltaic panel module 31 is mounted on the bracket 32. Through setting up support 32 for photovoltaic module 31 can be firm install on axis of rotation 23, thereby make the removal of drive photovoltaic module 31 that axis of rotation 23 can be stable.

In practice, two rotating shafts 23 are symmetrically arranged on two sides of the second driving motor 22, and two brackets 32 are arranged and are in one-to-one correspondence with the rotating shafts 23. Through setting up two axis of rotation 23 and two supports 32 for the installation that photovoltaic panel module 31 can be more firm, thereby make the removal that photovoltaic panel module 31 can be more stable.

In this embodiment, the solar module 3 further includes a locking member 33, where the locking member 33 includes a first locking portion 331 and a second locking portion 332, and the first locking portion 331 can penetrate the bracket 32 and be connected to the second locking portion 332 to fix the bracket 32 on the rotating shaft 23. Specifically, the first locking portion 331 is a U-shaped screw fastener, and the first locking portion 331 can penetrate through the bracket 32 and be in threaded connection with the second locking portion 332, so that the bracket 32 can be stably mounted on the rotating shaft 23.

In one embodiment, as shown in fig. 2, the photovoltaic panel module 31 includes a first panel 311, a second panel 312, and a connecting frame 313, wherein the first panel 311 is mounted on the bracket 32, and the second panel 312 is mounted on the bracket 32 through the connecting frame 313. By providing the first plate body 311 and the second plate body 312, the photovoltaic panel module 31 is enabled to receive more sunlight.

Of course, in other embodiments, a plurality of second plates 312 may be provided and evenly distributed on the connection frame 313. In this way, the photovoltaic panel module 31 is enabled to increase the area receiving sunlight, thereby increasing the power generation amount.

In an embodiment, as shown in fig. 4 and 5, the control assembly 4 further includes a control box 41, a power module 42 and an inverter 43, the control box 41 is mounted on the bracket 32, the control box 41 has a containing space 411, the driving board 44, the power module 42 and the inverter 43 are all mounted in the containing space 411, and the power module 42 is electrically connected with the driving board 44 through the inverter 43.

Specifically, the driving board 44 is provided with a seventh interface 447, and the power supply is electrically connected to the seventh interface 447. The drive board 44 is powered using a 24 volt power input, which circumscribes other peripherals and the drive assembly 2. The first drive motor 21 and the second drive motor 22 are 24 volt gear motors and are provided with 12 volt encoders. The power module 42 includes a power source and a battery, the battery is 22.2 volts 24 milliamps, the power source is a boost regulated input 12 volts, and the output 24 volts is provided for the drive board 44. In addition, the solar module 3 can store energy for the battery, the power supply is managed by the controller and output to the driving plate 44 for use, the photovoltaic tracking solar bracket wakes up in the morning to automatically calculate the position of the sun and track the sun, and the photovoltaic tracking solar bracket enters the dormant module at night to reduce the consumption of the battery electric quantity of the photovoltaic tracking solar bracket.

In the present embodiment, the control box 41 is mounted on the bracket 32, and the first board body 311 shields the control box 41, so that the control box 41 is not corroded by rainwater, so as to protect the electrical components in the accommodating space 411 from being corroded by rainwater, and increase the service life of the electrical components.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing disclosure is illustrative of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. The solar tracking system comprises a photovoltaic tracking solar support, a solar module and a control module, wherein the photovoltaic tracking solar support comprises a supporting module and a driving module, the supporting module is installed on a working face, the driving module is installed on the supporting module, the driving module is connected with the solar module and used for driving the solar module to move, the control module comprises a driving plate and a camera, the driving plate and the camera are all installed on the supporting module, the driving plate is electrically connected with the camera and is electrically connected with the driving module, the camera can detect the imaging position of a solar facula and transmits position information to the driving plate, and the driving module can drive the solar module to move under the control of the driving plate.

2. The sun tracking system according to claim 1, wherein the control assembly further comprises a positioning module electrically connected to the drive plate and configured to calculate an azimuth angle and an altitude angle of the solar module.

3. The sun tracking system of claim 1, wherein the control assembly further comprises a gyroscope electrically coupled to the drive plate and configured to obtain the attitude of the solar module.

4. The sun tracking system according to claim 1, further comprising a limit switch, a wind speed sensor, a hall sensor, and a wireless transmission module, wherein the limit switch is electrically connected with the driving board and is used for limiting the rotation position of the driving component;

5. The sun tracking system of claim 1, wherein the drive assembly includes a first drive motor, a second drive motor, and a rotating shaft, the first drive motor being mounted to the support assembly, the first drive motor being coupled to the second drive motor and configured to drive the second drive motor to rotate about a first axis, the second drive motor being coupled to the rotating shaft and configured to drive the rotating shaft to rotate about a second axis, the first axis being disposed at an angle to the second axis, the rotating shaft being coupled to the solar module to enable the solar module to change angle.

6. The sun tracking system according to claim 5, wherein the driving assembly further comprises a first fastener and a second fastener, the supporting assembly comprises a supporting seat, and a supporting column connected with the supporting seat, the first fastener and the second fastener are provided in plurality, each of the first fasteners is distributed along a circumferential direction of the supporting column, each of the first fasteners penetrates through the supporting column and is connected with the first driving motor, each of the second fasteners is distributed along a circumferential direction of the rotating shaft, and each of the second fasteners penetrates through the rotating shaft and is connected with the second driving motor.

7. The sun tracking system of claim 5, wherein the solar module comprises a photovoltaic panel module and a bracket, the bracket mounted to the rotating shaft, the photovoltaic panel module mounted to the bracket.

8. The sun tracking system of claim 7, wherein the solar module further comprises a locking member comprising a first locking portion and a second locking portion, the first locking portion being capable of penetrating a bracket and being coupled to the second locking portion to secure the bracket to the rotating shaft.

9. The sun tracking system of claim 7, wherein the photovoltaic panel module comprises a first panel, a second panel, and a connector, the first panel being mounted to the bracket, the second panel being mounted to the bracket via the connector.

10. The sun tracking system according to claim 7, wherein the control assembly further comprises a control box, a power module and an inverter, the control box is mounted on the support, the control box has a containing space, the driving plate, the power module and the inverter are all mounted in the containing space, and the power module is electrically connected with the driving plate through the inverter.