CN116633253A - Self-cleaning photovoltaic panel follow-up structure and working method thereof - Google Patents

Self-cleaning photovoltaic panel follow-up structure and working method thereof Download PDF

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Publication number
CN116633253A
CN116633253A CN202310586628.3A CN202310586628A CN116633253A CN 116633253 A CN116633253 A CN 116633253A CN 202310586628 A CN202310586628 A CN 202310586628A CN 116633253 A CN116633253 A CN 116633253A
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CN
China
Prior art keywords
photovoltaic panel
photovoltaic
cleaning
frame
supporting structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310586628.3A
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Chinese (zh)
Inventor
蒋运聪
刘海培
岳佳全
孙军利
魏星
蔡文博
侯依林
黄凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Xire Boiler Environmental Protection Engineering Co Ltd
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Xian Xire Boiler Environmental Protection Engineering Co Ltd
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Publication date
Application filed by Xian Xire Boiler Environmental Protection Engineering Co Ltd filed Critical Xian Xire Boiler Environmental Protection Engineering Co Ltd
Priority to CN202310586628.3A priority Critical patent/CN116633253A/en
Publication of CN116633253A publication Critical patent/CN116633253A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/45—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
    • F24S30/452—Vertical primary axis
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • H02S30/10—Frame structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/10—Cleaning arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a self-cleaning photovoltaic panel follow-up structure and a working method thereof, wherein a photovoltaic panel adjusting unit is connected with a supporting structure and comprises a photovoltaic panel frame, an inner gear ring and a telescopic rod; the support structure is connected with the azimuth angle adjusting frame, and the azimuth angle adjusting frame is arranged below the support structure; two sides of the supporting structure are symmetrically and fixedly provided with inner gear rings which are vertically arranged; the photovoltaic plate frame is used for installing a photovoltaic plate, and two ends of the photovoltaic plate frame are provided with adjusting rack gears meshed with the inner gear rings; the two ends of the telescopic rod are respectively connected with the supporting structure and the photovoltaic panel frame through spherical hinges; the photovoltaic panel frame is also provided with a cleaning component for cleaning the surface of the photovoltaic panel. According to the invention, the angle of the photovoltaic panel can be adjusted according to the angle change of the sun, and the surface of the photovoltaic panel can be cleaned, so that the photovoltaic panel can maximize the solar energy collection efficiency, and the photovoltaic equipment can be kept in a high-efficiency power generation state.

Description

Self-cleaning photovoltaic panel follow-up structure and working method thereof
Technical Field
The invention relates to the field of energy conservation, in particular to a self-cleaning photovoltaic panel follow-up structure and a working method thereof.
Background
At present, most of the existing photovoltaic power generation equipment is fixedly arranged, but the illumination angle caused by the change of the daily azimuth angle and the altitude angle of the sun changes along with the change of time, so that the fixedly arranged photovoltaic power generation equipment inevitably causes loss of a part of photovoltaic power generation efficiency, reduces the photovoltaic power generation cost and is necessarily dependent on the improvement of the solar energy utilization rate. In addition, dust is easy to accumulate on the surface of the photovoltaic plate, the working efficiency of the photovoltaic plate is affected, the generated power can be attenuated by 40% -60% at the highest, the current common mode is manual cleaning, personal injury is easily caused by electric leakage of the photovoltaic plate, and manual cleaning is high in cost and low in efficiency.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a self-cleaning photovoltaic panel follow-up structure and a working method thereof, wherein the angle of a photovoltaic panel can be adjusted according to the angle change of the sun, and meanwhile, the surface of the photovoltaic panel can be cleaned, so that the photovoltaic panel can maximize the solar energy collection efficiency, and the photovoltaic equipment can be kept in a high-efficiency power generation state.
The technical scheme adopted by the invention is as follows:
the self-cleaning photovoltaic panel follow-up structure comprises an azimuth angle adjusting frame, a supporting structure and a photovoltaic panel adjusting unit, wherein the photovoltaic panel adjusting unit is connected with the supporting structure and comprises a photovoltaic panel frame, an inner gear ring and a telescopic rod;
the supporting structure is connected with the azimuth angle adjusting frame, and the azimuth angle adjusting frame is arranged below the supporting structure and can drive the supporting structure to rotate in the horizontal direction;
the two sides of the supporting structure are symmetrically provided with inner gear rings which are fixedly connected with the supporting structure and are arranged along the vertical surface;
the photovoltaic plate frame is used for installing a photovoltaic plate, the plane of the photovoltaic plate frame is perpendicular to the plane of the internal gear ring, the two ends of the photovoltaic plate frame are provided with adjusting frame gears meshed with the internal gear ring, and the photovoltaic plate frame can rotate around the axis of the internal gear ring through the adjusting frame gears;
one end of the telescopic rod is connected with the supporting structure through a spherical hinge, the other end of the telescopic rod is connected with the photovoltaic panel frame through a spherical hinge, and the telescopic rod can realize the adjustment of the pitch angle of the photovoltaic panel frame through telescopic operation;
the photovoltaic panel frame is also provided with a cleaning component for cleaning the surface of the photovoltaic panel.
Preferably, the azimuth angle adjusting frame comprises a base, an azimuth angle adjusting frame driving motor and a rotating shaft, wherein the azimuth angle adjusting frame driving motor and the rotating shaft are both arranged on the base, the lower ends of the azimuth angle adjusting frame driving motor and the rotating shaft are connected through a speed reducing structure, the rotating shaft is vertically arranged, the rotating shaft is rotationally connected with the base, and the upper end of the rotating shaft is fixedly connected with the supporting structure.
Preferably, the speed reducing structure adopts a gear speed reducing structure, the gear speed reducing structure comprises an azimuth adjusting frame shaft gear and an azimuth adjusting frame driving motor gear, the azimuth adjusting frame driving motor gear is arranged on an output shaft of the azimuth adjusting frame driving motor, the azimuth adjusting frame shaft gear is arranged at the lower end of the rotating shaft, and the azimuth adjusting frame shaft gear and the azimuth adjusting frame driving motor gear are meshed with each other.
Preferably, the supporting structure is fixedly connected with the inner gear ring through a supporting structure fixing rod.
Preferably, two adjusting rack gears are symmetrically arranged at the end part, close to the internal gear ring, of the photovoltaic plate frame, the adjusting rack gears are rotationally connected with the photovoltaic plate frame, and the two adjusting rack gears are respectively positioned at two sides of the axis of the internal gear ring and are symmetrical with the axis of the internal gear ring.
Preferably, the cleaning assembly comprises a rolling brush and a rolling brush driving assembly, the rolling brush driving assembly is arranged on the photovoltaic panel frame, the rolling brush is arranged on the rolling brush driving assembly, the rolling brush is parallel to the surface of the photovoltaic panel, the rolling brush driving assembly can drive the rolling brush to move parallel to the photovoltaic panel and drive the rolling brush to rotate around the rotating shaft of the rolling brush, and when the rolling brush rotates, the surface of the photovoltaic panel can be cleaned.
Preferably, the rolling brush driving assembly comprises a servo motor, a first ball screw and a second ball screw, wherein the first ball screw and the second ball screw are installed on the photovoltaic panel frame and are respectively positioned on two sides of the photovoltaic panel, the first ball screw and the second ball screw are symmetrically arranged, one end of the rolling brush is rotationally connected with a nut of the first ball screw, the servo motor is installed on the nut of the second ball screw, and an output shaft of the servo motor is connected with the other end of the rolling brush;
the end parts of the first ball screw and the second ball screw are connected with a driving motor for driving the screw to rotate.
Preferably, the support structure is provided with more than two photovoltaic panel adjusting units, the photovoltaic panel frames on all the photovoltaic panel adjusting units are mutually parallel, and when sunlight directly irradiates the photovoltaic panels, all the photovoltaic panel frames and the photovoltaic panels arranged on the photovoltaic panel frames do not shade other photovoltaic panels.
Preferably, the telescopic rod is an electric telescopic rod.
Preferably, the self-cleaning photovoltaic panel follow-up structure further comprises a full-automatic tracking solar radiation instrument and a photovoltaic array main control system, wherein the full-automatic tracking solar radiation instrument is arranged on the supporting structure or on one side of the supporting structure, and the telescopic rod, the full-automatic tracking solar radiation instrument and the cleaning assembly are all connected with the photovoltaic array main control system;
the full-automatic tracking solar radiation instrument is used for measuring the direct solar angle;
the photovoltaic array main control system is used for controlling the azimuth angle adjusting frame and the telescopic rod to act according to the direct solar angle measured by the full-automatic tracking solar radiation instrument, so that the sunlight is directly irradiated on the surface of the photovoltaic panel;
the photovoltaic array main control system is also used for controlling the cleaning assembly to clean the surface of the photovoltaic panel.
Preferably, the self-cleaning photovoltaic panel follow-up structure further comprises a positioning module and a photovoltaic array main control system, wherein the positioning module is arranged on the support structure or on one side of the support structure, and the telescopic rod, the positioning module and the cleaning assembly are all connected with the photovoltaic array main control system;
the positioning module is used for acquiring the position information of the photovoltaic panel;
the photovoltaic array main control system is used for controlling the azimuth angle adjusting frame and the telescopic rod to act according to the position information of the photovoltaic panel and the direct solar angle information of the position, which are acquired by the positioning module, so that the sunlight is directly irradiated on the surface of the photovoltaic panel;
the photovoltaic array main control system is also used for controlling the cleaning assembly to clean the surface of the photovoltaic panel.
The working method of the self-cleaning photovoltaic panel follow-up structure disclosed by the invention comprises the following steps of:
adjustment of azimuth angle of photovoltaic panel: the supporting structure is driven to rotate on the horizontal plane through the azimuth angle adjusting frame, so that the normal vector of the photovoltaic panel is coplanar with the direct sunlight direction;
adjusting the pitching angle of the photovoltaic panel: when the adjustment of the azimuth angle of the photovoltaic panel is completed, the pitch angle of the photovoltaic panel is adjusted through the extension or shortening of the telescopic rod, so that the normal vector of the photovoltaic panel is parallel to the direct sunlight direction, and the sunlight is directly irradiated on the surface of the photovoltaic panel;
cleaning the surface of the photovoltaic panel: when the surface of the photovoltaic panel needs to be cleaned, the cleaning assembly is used for cleaning the surface of the photovoltaic panel.
The invention has the following beneficial effects:
according to the self-cleaning photovoltaic panel follow-up structure, the supporting structure is driven to rotate on the horizontal plane through the azimuth angle adjusting frame, so that the normal vector of the photovoltaic panel is coplanar with the direct sunlight direction, and the azimuth angle of the photovoltaic panel is adjusted; when the adjustment of the azimuth angle of the photovoltaic panel is completed, the pitch angle of the photovoltaic panel is adjusted through the extension or shortening of the telescopic rod, so that the normal vector of the photovoltaic panel is parallel to the direct sunlight direction, and the sunlight is directly irradiated on the surface of the photovoltaic panel; when the surface of the photovoltaic panel needs to be cleaned, the cleaning assembly is used for cleaning the surface of the photovoltaic panel. The invention can adjust the angle of the photovoltaic panel along with the movement of the sun, so that the sunlight is always vertical to the surface of the photovoltaic panel, thereby ensuring the collection efficiency of the photovoltaic panel, cleaning the surface of the photovoltaic panel by using the cleaning assembly, realizing self-cleaning of the photovoltaic panel, ensuring the full utilization of solar energy, improving the power generation efficiency of the photovoltaic panel, and avoiding manual cleaning.
Drawings
FIG. 1 is an isometric view of the overall structure of the self-cleaning photovoltaic panel follower structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the support structure and base of the present invention;
FIG. 3 is a side view of the overall structure of the self-cleaning photovoltaic panel follower structure of the present invention;
fig. 4 is a schematic view of the assembly of the photovoltaic panel frame, cleaning assembly and inner gear ring of the present invention.
Reference numerals illustrate: 1. a photovoltaic panel; 2. a support structure; 201. a support structure fixing rod; 202. cylindrical roller bearings; 203. a rotating shaft; 204. azimuth adjusting rack shaft gears; 205. the azimuth adjusting frame drives a motor gear; 206. the azimuth adjusting frame drives a motor; 3. an inner gear ring; 4. an adjusting rack gear; 5. an electric telescopic rod; 501. a ball head structure; 6. a base; 7. a photovoltaic panel frame; 801. a rolling brush; 802. a servo motor; 803. and (3) a screw.
Detailed Description
The invention discloses a self-cleaning photovoltaic panel follow-up structure.
Referring to fig. 1-4, the self-cleaning photovoltaic panel follow-up structure comprises an azimuth angle adjusting frame, a supporting structure 2 and a photovoltaic panel adjusting unit, wherein the photovoltaic panel adjusting unit is connected with the supporting structure 2 and comprises a photovoltaic panel frame 7, an inner gear ring 3 and a telescopic rod; the support structure 2 is connected with an azimuth angle adjusting frame, and the azimuth angle adjusting frame is arranged below the support structure 2 and can drive the support structure 2 to rotate in the horizontal direction; the two sides of the supporting structure 2 are symmetrically provided with the internal gear rings 3, the internal gear rings 3 are fixedly connected with the supporting structure 2, and the internal gear rings 3 are arranged along the vertical surface; the photovoltaic plate frame 7 is used for installing the photovoltaic plate 1, the plane of the photovoltaic plate frame 7 is perpendicular to the plane of the internal gear ring 3, the two ends of the photovoltaic plate frame 7 are respectively provided with an adjusting rack gear 4 meshed with the internal gear ring 3, and the photovoltaic plate frame 7 can rotate around the axis of the internal gear ring 3 through the adjusting rack gears 4; one end of the telescopic rod is hinged with the supporting structure 2 through a ball head structure 501, the other end of the telescopic rod is hinged with the photovoltaic panel frame 7 through the ball head structure 501, the telescopic rod can realize the adjustment of the pitch angle of the photovoltaic panel frame 7 through telescopic operation, and the telescopic rod can adopt an electric telescopic rod 5; the photovoltaic panel frame 7 is also provided with a cleaning assembly for cleaning the surface of the photovoltaic panel 1.
The working process of the self-cleaning photovoltaic panel follow-up structure comprises the following steps:
adjustment of azimuth angle of photovoltaic panel: the supporting structure 2 is driven to rotate in the horizontal plane through the azimuth angle adjusting frame, so that the normal vector of the photovoltaic panel 1 is coplanar with the direct sunlight direction;
adjusting the pitching angle of the photovoltaic panel: when the adjustment of the azimuth angle of the photovoltaic panel is completed, the pitch angle of the photovoltaic panel 1 is adjusted through the extension or shortening of the telescopic rod, so that the normal vector of the photovoltaic panel 1 is parallel to the direct sunlight direction, and the sunlight is directly irradiated on the surface of the photovoltaic panel 1; referring to fig. 3, since the two ends of the photovoltaic panel frame 7 are respectively provided with the adjusting rack gears 4 meshed with the inner gear rings 3, when the pitch angle of the photovoltaic panel 1 is adjusted by the extension or shortening of the telescopic rod, the meshing position of the inner gear 3 of the altitude adjusting rack and the pinion 4 of the altitude adjusting rack is changed, so that the photovoltaic panel frame 7 can rotate clockwise or anticlockwise, and the pitch angle of the photovoltaic panel 1 on the photovoltaic panel frame 7 is changed;
cleaning the surface of the photovoltaic panel: when the surface of the photovoltaic panel 1 needs to be cleaned, the cleaning assembly cleans the surface of the photovoltaic panel 1, and the cleaning time can be interval: for example, setting a cleaning interval time, and automatically starting a cleaning assembly and cleaning the surface of the photovoltaic panel 1 after the preset time is reached; the cleaning time can also be detected by the image detection means (such as dust accumulation or fallen leaves, etc.) on the surface of the photovoltaic panel 1, when cleaning is required, the cleaning assembly is automatically started and cleans the surface of the photovoltaic panel 1, and specific starting conditions can be selected by those skilled in the art according to actual conditions, so that the invention is not limited specifically.
In order to realize full-automatic adjustment of the angle of the photovoltaic panel 1, the invention can also be provided with a full-automatic tracking solar radiation instrument and a photovoltaic array main control system on the basis of the scheme, wherein the full-automatic tracking solar radiation instrument is arranged on the supporting structure 2 or on one side of or near the supporting structure 2, and the telescopic rod, the full-automatic tracking solar radiation instrument and the cleaning component are all connected with the photovoltaic array main control system;
in the working process of the self-cleaning photovoltaic panel follow-up structure, the full-automatic tracking solar radiation instrument can track the sun in all weather and measure the direct sun angle, and in addition, the full-automatic tracking solar radiation instrument can also measure total radiation, direct radiation and scattered radiation to obtain real-time solar illumination data, and the full-automatic tracking solar radiation instrument can transmit the obtained parameters to a photovoltaic array main control system;
the photovoltaic array main control system can control the azimuth angle adjusting frame and the telescopic rod to act according to the direct solar angle measured by the full-automatic tracking solar radiation instrument, and finally, the sunlight is directly irradiated on the surface of the photovoltaic panel 1;
in addition, the photovoltaic array master control system can also be used for controlling the cleaning assembly to clean the surface of the photovoltaic panel 1.
In order to realize full-automatic adjustment of the angle of the photovoltaic panel 1, the invention also provides another scheme, and in particular, the invention can also be provided with a positioning module and a photovoltaic array main control system, wherein the positioning module is arranged on the supporting structure 2 or on one side or nearby the supporting structure 2, and the telescopic rod, the positioning module and the cleaning component are all connected with the photovoltaic array main control system;
the positioning module can acquire the position information of the photovoltaic panel 1, such as longitude and latitude information, and can adopt a GPS module;
the photovoltaic array main control system can control the azimuth angle adjusting frame and the telescopic rod to act according to the position information of the photovoltaic panel 1 and the direct solar angle information of the position, which are acquired by the positioning module, so that the sunlight is finally directed at the surface of the photovoltaic panel 1; the sun's direct angle information for the above location is known to a certain place on earth and can be obtained from public data;
in addition, the photovoltaic array master control system can also be used for controlling the cleaning assembly to clean the surface of the photovoltaic panel 1.
As an embodiment of the present invention, referring to fig. 2, the azimuth angle adjusting frame adopted in the present invention includes a base 6, an azimuth angle adjusting frame driving motor 206 and a rotating shaft 203, both the azimuth angle adjusting frame driving motor 206 and the rotating shaft 203 are installed on the base 6, the lower ends of the azimuth angle adjusting frame driving motor 206 and the rotating shaft 203 are connected through a speed reducing structure, the rotating shaft 203 is vertically arranged, the rotating shaft 203 is rotatably connected with the base 6 through a cylindrical roller bearing 202, and the upper end of the rotating shaft 203 is fixedly connected with the supporting structure 2. The working principle of the azimuth angle adjusting frame is as follows: after the azimuth adjusting frame driving motor 206 rotates, the rotating shaft 203 can be driven to rotate through the speed reducing structure, and the upper end of the rotating shaft 203 is fixedly connected with the supporting structure 2, so that the supporting structure 2 integrally performs the rotation motion in the horizontal direction, and the azimuth angle of the photovoltaic panel can be adjusted. The azimuth adjusting rack driving motor 206 can be driven by the photovoltaic array main control system to achieve the purpose of automatic adjustment.
In the above-described aspect of the present invention, the speed reducing structure may employ a gear speed reducing structure including an azimuth adjusting rack shaft gear 204 and an azimuth adjusting rack driving motor gear 205, the azimuth adjusting rack driving motor gear 205 being mounted on an output shaft of the azimuth adjusting rack driving motor 206, the azimuth adjusting rack shaft gear 204 being mounted at a lower end of the rotation shaft 203, the azimuth adjusting rack shaft gear 204 and the azimuth adjusting rack driving motor gear 205 being engaged with each other. When adjusting the photovoltaic board azimuth, the output shaft of azimuth adjustment frame driving motor 206 passes through azimuth adjustment frame driving motor gear 205 drive azimuth adjustment frame axle gear 204 rotation, and azimuth adjustment frame axle gear 204 drives axis of rotation 203 synchronous rotation, and axis of rotation 203 drives bearing structure 2 and wholly does the rotary motion of horizontal direction, and this structure is simple relatively, and the operation is stable moreover.
Referring to fig. 1, the supporting structure 2 and the internal gear ring 3 can be fixedly connected through the supporting structure fixing rod 201, and the supporting structure fixing rod 201 is arranged below the photovoltaic panel frame 7 as much as possible when being installed, so that shielding of the supporting structure fixing rod 201 to the photovoltaic panel 1 is avoided.
Referring to fig. 1, 3 and 4, two adjusting rack gears 4 are symmetrically arranged at the end part, close to the inner gear ring 3, of the photovoltaic panel frame 7, the adjusting rack gears 4 are rotationally connected with the photovoltaic panel frame 7, and the two adjusting rack gears 4 are respectively positioned at two sides of the axis of the inner gear ring 3 and are symmetrical about the axis of the inner gear ring 3. This structure can guarantee when adjusting photovoltaic board every single move angle, can make photovoltaic board frame 7 smooth and easy along clockwise or anticlockwise rotation through the flexible of telescopic link, has guaranteed photovoltaic board frame 7 angle pivoted precision simultaneously.
Referring to fig. 1 and 4, the cleaning assembly with a structure provided by the invention comprises a rolling brush 801 and a rolling brush driving assembly, wherein the rolling brush driving assembly is installed on a photovoltaic panel frame 7, the rolling brush 801 is installed on the rolling brush driving assembly, the rolling brush 801 is parallel to the surface of the photovoltaic panel 1, the rolling brush driving assembly can drive the rolling brush 801 to move parallel to the photovoltaic panel 1 and drive the rolling brush 801 to rotate around the rotating shaft of the rolling brush 801, and when the rolling brush 801 rotates, the surface of the photovoltaic panel 1 can be cleaned. The cleaning portion of the roll brush 801 may employ hard bristles, soft bristles, or cleaning cloth. The rolling brush driving assembly can be driven by the photovoltaic array main control system so as to achieve the purpose of automatic cleaning.
Referring to fig. 1 and 4, the rolling brush driving assembly of the cleaning assembly of the present invention may have the following structure: the rolling brush driving assembly comprises a servo motor 802, a first ball screw and a second ball screw, wherein the first ball screw is identical to the second ball screw, the first ball screw and the second ball screw are installed on the photovoltaic panel frame 7 and are respectively positioned on two sides of the photovoltaic panel 1, the first ball screw and the second ball screw are symmetrically arranged, one end of the rolling brush 801 is rotationally connected with a nut of the first ball screw, the servo motor 802 is installed on the nut of the second ball screw, and an output shaft of the servo motor 802 is connected with the other end of the rolling brush 801; the end parts of the first ball screw and the second ball screw are connected with a driving motor for driving the screw to rotate. When the rolling brush driving assembly with the structure works, the screw rods of the first ball screw and the second ball screw are synchronously driven to rotate, at the moment, the nuts of the first ball screw and the second ball screw can drive the rolling brush 801 to move up and down along the plane parallel to the photovoltaic panel 1, and at the moment, the servo motor 802 is used for driving the rolling brush 801 to rotate, so that the surface of the photovoltaic panel 1 can be cleaned. The driving parts of the first ball screw and the second ball screw and the servo motor 802 can be driven by the photovoltaic array main control system to realize the purpose of automatic cleaning.
The invention can adopt one photovoltaic panel adjusting unit or more than two photovoltaic panel adjusting units, when one photovoltaic panel adjusting unit is adopted, the photovoltaic panel frame 7 is arranged right above the supporting structure 2, and the gravity centers of the supporting structure 2 and the whole photovoltaic panel adjusting units are concentrated on the rotating shaft 303; when more than two photovoltaic panel adjusting units are installed on the supporting structure 2, the photovoltaic panel frames 7 on all the photovoltaic panel adjusting units are parallel to each other, when sunlight directly irradiates the photovoltaic panel 1, all the photovoltaic panel frames 7 and the photovoltaic panels 1 installed on the photovoltaic panel frames are not used for shielding other photovoltaic panels 1, and meanwhile, the supporting structure 2 and the whole gravity center of all the photovoltaic panel adjusting units are concentrated on the rotating shaft 303. The structural arrangement can lead the stress of the invention to be relatively balanced, ensure the relative position between the adjusting rack gear 4 and the inner gear ring 3, ensure that the rotating shaft 303 is not easy to generate bending moment, and ensure the flexibility and long-term stability when adjusting the azimuth angle and the pitching angle of the photovoltaic panel.
In summary, the invention can realize the adjustment of the angle of the photovoltaic panel 1, so that the solar energy can directly irradiate the photovoltaic panel 1, the sunlight utilization rate is improved, in addition, the self-cleaning of the photovoltaic panel can be realized, the manual cleaning is not needed, the labor cost is reduced, and the situation that people are injured by electricity leakage is avoided.

Claims (10)

1. The self-cleaning photovoltaic panel follow-up structure is characterized by comprising an azimuth angle adjusting frame, a supporting structure (2) and a photovoltaic panel adjusting unit, wherein the photovoltaic panel adjusting unit is connected with the supporting structure (2) and comprises a photovoltaic panel frame (7), an inner gear ring (3) and a telescopic rod;
the supporting structure (2) is connected with an azimuth angle adjusting frame, and the azimuth angle adjusting frame is arranged below the supporting structure (2) and can drive the supporting structure (2) to rotate in the horizontal direction;
the two sides of the supporting structure (2) are symmetrically provided with inner gear rings (3), the inner gear rings (3) are fixedly connected with the supporting structure (2), and the inner gear rings (3) are arranged along the vertical surface;
the photovoltaic plate frame (7) is used for installing the photovoltaic plate (1), the plane of the photovoltaic plate frame (7) is perpendicular to the plane of the internal gear ring (3), the two ends of the photovoltaic plate frame (7) are respectively provided with an adjusting rack gear (4) meshed with the internal gear ring (3), and the photovoltaic plate frame (7) can rotate around the axis of the internal gear ring (3) through the adjusting rack gears (4);
one end of the telescopic rod is connected with the supporting structure (2) through a spherical hinge, the other end of the telescopic rod is connected with the photovoltaic panel frame (7) through a spherical hinge, and the telescopic rod can realize the adjustment of the pitch angle of the photovoltaic panel frame (7) through telescopic;
the photovoltaic panel frame (7) is also provided with a cleaning component for cleaning the surface of the photovoltaic panel (1).
2. The self-cleaning photovoltaic panel follow-up structure according to claim 1, wherein the azimuth angle adjusting frame comprises a base (6), an azimuth angle adjusting frame driving motor (206) and a rotating shaft (203), the azimuth angle adjusting frame driving motor (206) and the rotating shaft (203) are both arranged on the base (6), the lower ends of the azimuth angle adjusting frame driving motor (206) and the rotating shaft (203) are connected through a speed reducing structure, the rotating shaft (203) is vertically arranged, the rotating shaft (203) is rotationally connected with the base (6), and the upper end of the rotating shaft (203) is fixedly connected with the supporting structure (2).
3. A self-cleaning photovoltaic panel following structure according to claim 2, characterized in that the reduction structure adopts a gear reduction structure, the gear reduction structure comprises an azimuth adjusting rack shaft gear (204) and an azimuth adjusting rack driving motor gear (205), the azimuth adjusting rack driving motor gear (205) is mounted on an output shaft of an azimuth adjusting rack driving motor (206), the azimuth adjusting rack shaft gear (204) is mounted at the lower end of the rotating shaft (203), and the azimuth adjusting rack shaft gear (204) and the azimuth adjusting rack driving motor gear (205) are meshed with each other.
4. The self-cleaning photovoltaic panel follow-up structure according to claim 1, characterized in that the supporting structure (2) is fixedly connected with the inner gear ring (3) through a supporting structure fixing rod (201), and the telescopic rod is an electric telescopic rod (5);
two adjusting rack gears (4) are symmetrically arranged at the end part, close to the inner gear ring (3), of the photovoltaic plate frame (7), the adjusting rack gears (4) are rotationally connected with the photovoltaic plate frame (7), and the two adjusting rack gears (4) are respectively located at two sides of the axis of the inner gear ring (3) and are symmetrical relative to the axis of the inner gear ring (3).
5. A self-cleaning photovoltaic panel follow-up structure according to claim 1, characterized in that the cleaning assembly comprises a rolling brush (801) and a rolling brush driving assembly, the rolling brush driving assembly is mounted on the photovoltaic panel frame (7), the rolling brush (801) is mounted on the rolling brush driving assembly, the rolling brush (801) is parallel to the surface of the photovoltaic panel (1), the rolling brush driving assembly can drive the rolling brush (801) to move parallel to the photovoltaic panel (1), and the rolling brush (801) is driven to rotate around the rotating shaft of the rolling brush (801), and when the rolling brush (801) rotates, the surface of the photovoltaic panel (1) can be cleaned.
6. The self-cleaning photovoltaic panel follow-up structure according to claim 5, wherein the rolling brush driving assembly comprises a servo motor (802), a first ball screw and a second ball screw, the first ball screw and the second ball screw are installed on the photovoltaic panel frame (7) and are respectively located on two sides of the photovoltaic panel (1), the first ball screw and the second ball screw are symmetrically arranged, one end of the rolling brush (801) is rotationally connected with a nut of the first ball screw, the servo motor (802) is installed on the nut of the second ball screw, and an output shaft of the servo motor (802) is connected with the other end of the rolling brush (801);
the end parts of the first ball screw and the second ball screw are connected with a driving motor for driving the screw to rotate.
7. A self-cleaning photovoltaic panel follow-up structure according to claim 1, characterized in that the supporting structure (2) is provided with more than two photovoltaic panel adjusting units, the photovoltaic panel frames (7) on all photovoltaic panel adjusting units are parallel to each other, and when sunlight is directly incident on the photovoltaic panel (1), all photovoltaic panel frames (7) and the photovoltaic panel (1) arranged thereon do not shade other photovoltaic panels (1).
8. The self-cleaning photovoltaic panel follow-up structure according to claim 1, further comprising a full-automatic tracking solar radiation instrument and a photovoltaic array main control system, wherein the full-automatic tracking solar radiation instrument is arranged on the supporting structure (2) or on one side of the supporting structure (2), and the telescopic rod, the full-automatic tracking solar radiation instrument and the cleaning component are all connected with the photovoltaic array main control system;
the full-automatic tracking solar radiation instrument is used for measuring the direct solar angle;
the photovoltaic array main control system is used for controlling the azimuth angle adjusting frame and the telescopic rod to act according to the direct solar angle measured by the full-automatic tracking solar radiation instrument, so that the sunlight is directly irradiated on the surface of the photovoltaic panel (1);
the photovoltaic array main control system is also used for controlling the cleaning assembly to clean the surface of the photovoltaic panel (1).
9. The self-cleaning photovoltaic panel follow-up structure according to claim 1, further comprising a positioning module and a photovoltaic array main control system, wherein the positioning module is arranged on the supporting structure (2) or on one side of the supporting structure (2), and the telescopic rod, the positioning module and the cleaning assembly are all connected with the photovoltaic array main control system;
the positioning module is used for acquiring the position information of the photovoltaic panel (1);
the photovoltaic array main control system is used for controlling the action of the azimuth angle adjusting frame and the telescopic rod according to the position information of the photovoltaic panel (1) and the direct solar angle information of the position, which are acquired by the positioning module, so that the sunlight is directly incident on the surface of the photovoltaic panel (1);
the photovoltaic array main control system is also used for controlling the cleaning assembly to clean the surface of the photovoltaic panel (1).
10. A method of operating a self-cleaning photovoltaic panel follower structure according to any one of claims 1 to 9, comprising the steps of:
adjustment of azimuth angle of photovoltaic panel: the supporting structure (2) is driven to rotate in the horizontal plane through the azimuth angle adjusting frame, so that the normal vector of the photovoltaic panel (1) is coplanar with the direct sunlight direction;
adjusting the pitching angle of the photovoltaic panel: when the adjustment of the azimuth angle of the photovoltaic panel is completed, the pitch angle of the photovoltaic panel (1) is adjusted through the extension or shortening of the telescopic rod, so that the normal vector of the photovoltaic panel (1) is parallel to the direct sunlight direction, and the sunlight is directly irradiated on the surface of the photovoltaic panel (1);
cleaning the surface of the photovoltaic panel: when the surface of the photovoltaic panel (1) needs to be cleaned, the cleaning assembly is used for cleaning the surface of the photovoltaic panel (1).
CN202310586628.3A 2023-05-22 2023-05-22 Self-cleaning photovoltaic panel follow-up structure and working method thereof Pending CN116633253A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310586628.3A CN116633253A (en) 2023-05-22 2023-05-22 Self-cleaning photovoltaic panel follow-up structure and working method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310586628.3A CN116633253A (en) 2023-05-22 2023-05-22 Self-cleaning photovoltaic panel follow-up structure and working method thereof

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CN116633253A true CN116633253A (en) 2023-08-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117848490A (en) * 2024-03-07 2024-04-09 华中科技大学 Direct solar radiation measuring device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117848490A (en) * 2024-03-07 2024-04-09 华中科技大学 Direct solar radiation measuring device
CN117848490B (en) * 2024-03-07 2024-05-14 华中科技大学 Direct solar radiation measuring device

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