A photovoltaic power generation system and its applications

Abstract

The present application provides a photovoltaic power generation system, including a photovoltaic module for converting the radiant energy of the sun into electrical energy; a storage battery for storing electrical energy; an inverter for converting direct current into alternating current; and a control module for controlling the operation of the photovoltaic power generation system. Among them, a cleaning module is provided on the photovoltaic module, which operates through the control module to clean the surface of the photovoltaic panel components; a protection module is also provided on the photovoltaic module to cover and protect the photovoltaic module after the cleaning module cleans the photovoltaic panel components. By providing the cleaning module in the present application, the cleaning module operates through the control module to clean the surface of the photovoltaic panel components of impurities, ensuring the power generation efficiency of the photovoltaic module; by providing the protection module, the photovoltaic module is protected when it is idle and not in use, ensuring the cleanliness of the photovoltaic module when it is used again.

Description

Technical Field

[0001] The present invention relates to the field of photovoltaic power generation, and more particularly, to a photovoltaic power generation system. Background Art

[0002] A photovoltaic power generation system is a power generation system that directly converts solar energy into electrical energy using solar cells. It is characterized by high reliability, long service life, no environmental pollution, and the ability to generate electricity independently or be connected to the grid. It is favored by all walks of life and has broad development prospects. A photovoltaic panel group consists of thin solid photovoltaic cells made almost entirely of semiconductor materials (such as silicon), which is an important part of the photovoltaic power generation system. When exposed to sunlight, it generates direct current.

[0003] Most of the photovoltaic panel groups in the prior art are fixedly installed and directly exposed to the external environment. During long-term operation, impurities such as dust are likely to deposit on the surface of the photovoltaic panel group. The dirt on the surface of the photovoltaic panel group affects the light transmittance, thereby affecting the radiation amount received on the surface of the component and reducing the power generation efficiency of the photovoltaic module.

[0004] For example: "A Photovoltaic Power Generation Component" disclosed in the Chinese invention patent (application number: CN202310090710.7), its specification discloses that in a photovoltaic power generation component, a solar panel is a relatively core component, and its main function is to convert solar energy into electrical energy. In actual use, the photovoltaic panel is usually exposed to the external environment. As it continues to be used, a layer of impurities will adhere to the surface of the photovoltaic panel, making the semiconductor material on the surface of the photovoltaic panel unable to receive light well, greatly reducing the power generation efficiency; the above patent can prove the defects existing in the prior art.

[0005] Therefore, we make improvements on this and propose a photovoltaic power generation system. Summary of the Invention

[0006] The purpose of the present invention is to address the problem that most of the photovoltaic panel groups in the current prior art are fixedly installed and directly exposed to the external environment. During long-term operation, impurities such as dust are likely to deposit on the surface of the photovoltaic panel group. The dirt on the surface of the photovoltaic panel group affects the light transmittance, thereby affecting the radiation amount received on the surface of the component and reducing the power generation efficiency of the photovoltaic module.

[0007] In order to achieve the above invention purpose, the present invention provides a photovoltaic power generation system to improve the above problems.

[0008] Specifically, this application is as follows:

[0009] A photovoltaic power generation system, comprising:

[0010] A photovoltaic module, configured to convert the radiant energy of the sun into electrical energy;

[0011] A storage battery for storing electric energy;

[0012] An inverter for converting direct current into alternating current;

[0013] A control module for controlling the operation of the photovoltaic power generation system;

[0014] Wherein, a cleaning module is arranged on the photovoltaic module, and runs through the control module to clean impurities on the surface of the photovoltaic panel.

[0015] As a preferred technical solution of the present application, it further includes a protection module arranged on the photovoltaic module to cover and protect the photovoltaic module after the cleaning module cleans the photovoltaic panel.

[0016] As a preferred technical solution of the present application, it further includes an environmental monitoring module for detecting the weather environment when the photovoltaic module is working. In rainy or snowy weather, the control module pre-controls the operation of the protection module to cover and protect the photovoltaic module.

[0017] As a preferred technical solution of the present application, the control system therein can change according to the time changes between day and night to ensure that the solar panels receive sunlight during the day and protect the storage at night.

[0018] A photovoltaic power generation system, specifically, includes a photovoltaic module, and the photovoltaic module includes:

[0019] A bracket, a support seat arranged on the top of the bracket, and a U-shaped frame arranged in the middle of the support seat;

[0020] A photovoltaic panel group, including a pair of first photovoltaic panels and a pair of second photovoltaic panels. The two first photovoltaic panels are symmetrically installed on both sides of the upper surface of the support seat, and the second photovoltaic panels are symmetrically and slidably inserted at both ends of the support seat;

[0021] A cleaning component, including protective parts symmetrically arranged on both sides of the U-shaped frame. A connecting plate is slidably arranged inside the U-shaped frame. A set of guiding parts corresponding to the first photovoltaic panel are arranged on both sides of the support seat. A first cleaning part is slidably arranged between two opposite guiding parts. The two ends of the protective part are respectively hinged to the corresponding connecting plate and the first cleaning part. A second cleaning part is elastically arranged at the end of the support seat. During the process of the first cleaning part moving outwards with the protective part, the first photovoltaic panel is cleaned, and the second cleaning part is synchronously driven to contact the second photovoltaic panel;

[0022] A driving component is arranged at the bottom of the bracket for driving the connecting plate to slide down along the U-shaped frame and the second photovoltaic panel to move back into the support seat, and contacting the second cleaning part during the process of the second photovoltaic panel moving back to complete the cleaning of the second photovoltaic panel.

[0023] As a preferred technical solution of the present application, the protective member is in a plate-like structure, and the area of the protective member is not less than the area of the first photovoltaic panel.

[0024] As a preferred technical solution of the present application, a set of receiving grooves for inserting the second photovoltaic panel are symmetrically provided at both ends of the support base, a set of linear slots parallel to the side of the support base are symmetrically provided at the bottom of the support base, and a connecting column slidably connected to the linear slots is provided at the bottom end of the second photovoltaic panel.

[0025] As a preferred technical solution of the present application, the driving component includes a rotating member provided in the middle of the bottom end of the support base, the rotating member is driven by a driving member installed on the bracket, a first piston member is provided between the rotating member and the connecting column, the end of the first piston member is communicated with the rotating member, the top end of the rotating member is communicated through a rotating connector and a first pipe fitting located at the top of the support base, a second piston member is communicated downward on the side of the first pipe fitting, and the end of the second piston member is connected to the connecting plate through a connecting rod.

[0026] As a preferred technical solution of the present application, the first cleaning member includes a connecting seat with an opening at the bottom, a first brush plate is slidably provided at the bottom of the connecting seat, the guiding member has a return-shaped guiding groove, first movable slots are provided at both ends of the bottom of the connecting seat, guiding rods passing through the first movable slots and sliding along the return-shaped guiding groove are provided at the ends of the first brush plate, a magnetic block is embedded at one end of the return-shaped guiding groove close to the outer end of the support base, a guiding block repelling the magnetic block is provided at the end of the guiding rod, and when the guiding block slides along the bottom of the return-shaped guiding groove, the first brush plate cleans the first photovoltaic panel.

[0027] As a preferred technical solution of the present application, the second cleaning member includes a second brush plate movably provided at the notch of the receiving groove, a plate slot parallel to the guiding member is provided on the support base, a second movable slot is provided between the end of the plate slot and the notch of the receiving groove, a lower pressing plate is elastically provided in the plate slot, a convex column passing through the second movable slot and connected to the lower pressing plate is provided at the end of the second brush plate, a lower pressing block corresponding to the lower pressing plate is provided on the guiding rod, arcs are provided at the opposite ends of the lower pressing block and the lower pressing plate, and when the first brush plate slides along the bottom of the return-shaped guiding groove, it presses the lower pressing plate and drives the second brush plate to contact the surface of the second photovoltaic panel.

[0028] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0029] In the solution of the present application:

[0030] 1. Through the provided cleaning module, the cleaning module operates through the control module and is used to clean impurities on the surface of the photovoltaic panel components, ensuring the power generation efficiency of the photovoltaic module.

[0031] 2. The protection module is provided to protect the photovoltaic module when it is idle and unused, ensuring the cleanliness of the photovoltaic module when it is used again.

[0032] 3. The cleaning component is provided. When the connecting plate slides down along the U-shaped frame, the protective piece gradually covers the surface of the first photovoltaic panel, thereby protecting the first photovoltaic panel and reducing the risk of impurity accumulation on the first photovoltaic panel when it is exposed to the external environment in the non-working state. During the movement of the protective piece, the first cleaning piece is driven to complete the cleaning process of the first photovoltaic panel, ensuring the working efficiency of the first photovoltaic panel.

[0033] 4. By sliding and inserting the second photovoltaic panel at the end of the support base, the second photovoltaic panel is moved back into the storage groove, and the second cleaning piece is used to clean the second photovoltaic panel, ensuring the working efficiency of the second photovoltaic panel.

[0034] 5. The driving component is provided. During the process of the second photovoltaic panel moving back into the storage groove, the protective piece is synchronously driven to slide between the U-shaped frame and the first photovoltaic panel, enabling the cleaning of the first photovoltaic panel and the second photovoltaic panel to be carried out synchronously. After the cleaning of the photovoltaic module is completed by using the protective piece and the support base, the protection of the first photovoltaic panel and the second photovoltaic panel is completed, improving the working efficiency of the photovoltaic module. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a system block diagram of a photovoltaic power generation system provided by the present application;

[0036] Figure 2 It is a front-side structural schematic diagram of a photovoltaic power generation system provided by the present application;

[0037] Figure 3 It is a back-side structural schematic diagram of a photovoltaic power generation system provided by the present application;

[0038] Figure 4 It is a top structural schematic diagram of the support base of a photovoltaic power generation system provided by the present application;

[0039] Figure 5 Provided by the present application Figure 4 The enlarged view of part A in

[0040] Figure 6 Provided by the present application Figure 4 The enlarged view of part B in

[0041] Figure 7 It is a bottom structural schematic diagram of the support base of a photovoltaic power generation system provided by the present application;

[0042] Figure 8 It is a structural schematic diagram of the driving component of a photovoltaic power generation system provided by the present application;

[0043] Figure 9 Schematic diagram of the structure of the guiding member and the first cleaning member for a photovoltaic power generation system provided by this application;

[0044] Figure 10 Schematic diagram of the structure of the second cleaning member and the support base for a photovoltaic power generation system provided by this application;

[0045] Figure 11 State diagram of the protective member of a photovoltaic power generation system provided by this application.

[0046] Indications in the figure:

[0047] 100, bracket; 101, support base; 102, U-shaped frame; 103, storage groove; 104, linear notch; 200, photovoltaic panel group; 201, first photovoltaic panel; 202, second photovoltaic panel; 203, connecting column; 300, cleaning component; 301, protective member; 302, connecting plate; 303, first cleaning member; 3031, connecting seat; 3032, first brush; 3033, first movable notch; 3034, guiding rod; 3035, guiding block; 304, second cleaning member; 3041, second brush; 3042, plate groove; 3043, second movable notch; 3044, lower pressing plate; 3045, convex column; 3046, lower pressing block; 400, guiding member; 401, loop-shaped guiding groove; 402, magnetic block; 500, driving component; 501, rotating member; 502, driving member; 503, first piston member; 504, rotating connector; 505, first pipe fitting; 506, second piston member; 507, connecting rod; 508, first through groove; 509, second through groove. Detailed implementation manners

[0048] In order to enable those skilled in the art to better understand the solution of this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this invention. Obviously, the described embodiments are only a part of the embodiments of this invention, rather than all of the embodiments. Based on the embodiments of this invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of this invention.

[0049] As described in the background art, most of the existing photovoltaic panel groups in the current prior art are fixedly installed and directly exposed to the external environment. During their long-term operation, dust and other impurities are likely to deposit on the surface of the photovoltaic panel group. The dirt on the surface of the photovoltaic panel group affects the light transmittance, and further affects the radiation amount received on the surface of the component, reducing the power generation efficiency of the photovoltaic module.

[0050] To solve this technical problem, the present invention provides a photovoltaic power generation system that applies photovoltaic power generation.

[0051] Specifically, please refer to Figure 1 As shown, a photovoltaic power generation system includes:

[0052] Photovoltaic modules, which are used to convert the radiant energy of the sun into electrical energy;

[0053] A storage battery, which is used to store electrical energy;

[0054] An inverter is used to convert direct current into alternating current;

[0055] A control module, which is used to control the operation of the photovoltaic power generation system;

[0056] Among them, a cleaning module is provided on the photovoltaic module. Through the operation of the control module, it is used to clean the impurities on the surface of the photovoltaic panel.

[0057] The photovoltaic power generation system provided by the present invention has a cleaning module provided on the photovoltaic module. The cleaning module operates through the control module and is used to clean the impurities on the surface of the photovoltaic panel, ensuring the power generation efficiency of the photovoltaic module.

[0058] To enable those skilled in the art to better understand the solution of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0059] It should be noted that, without conflict, the embodiments in the present invention and the features and technical solutions in the embodiments can be combined with each other.

[0060] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0061] Embodiment 1

[0062] Please refer to Figure 1 As shown, a photovoltaic power generation system further includes a protection module provided on the photovoltaic module. After the cleaning module cleans the photovoltaic panel, it covers and protects the photovoltaic module.

[0063] It further includes an environmental monitoring module, which is used to detect the weather environment when the photovoltaic module is working. In rainy, snowy or other bad weather environments, the control module pre-controls the operation of the protection module to cover and protect the photovoltaic module.

[0064] The control system therein can change according to the time of day and night to ensure that the solar panels receive sunlight during the day and are protected and stored at night.

[0065] The provided protection module is designed considering that the photovoltaic module cannot receive sunlight at night or in rainy or snowy weather. That is, when the photovoltaic module is exposed, it only increases the risk of accumulating impurities. Therefore, the protection module is set to cover and protect the photovoltaic module, and the protection module operates after the cleaning module, ensuring the cleanliness of the photovoltaic module when it is reused.

[0066] Embodiment 2

[0067] A photovoltaic power generation system. Specifically, please refer to Figures 2 - 4 as shown in the figure, which includes a photovoltaic module. The photovoltaic module includes a bracket 100, a support base 101 provided at the top of the bracket 100, and a U-shaped frame 102 provided in the middle of the support base 101;

[0068] A photovoltaic panel group 200, including a pair of first photovoltaic panels 201 and a pair of second photovoltaic panels 202. The two first photovoltaic panels 201 are symmetrically installed on both sides of the upper surface of the support base 101, and the second photovoltaic panels 202 are symmetrically and slidably inserted at both ends of the support base 101. By symmetrically distributing the two first photovoltaic panels 201 and the two second photovoltaic panels 202 on the support base 101, and the second photovoltaic panels 202 are slidably inserted, the second photovoltaic panels 202 can slide outwards in the working state, so that the second photovoltaic panels 202 and the first photovoltaic panels 201 can be exposed to receive sunlight to convert electrical energy, reasonably utilizing the space brought by the support base 101, and when the second photovoltaic panels 202 move back into the support base 101, it plays a role in protecting the second photovoltaic panels 202 and ensuring the working efficiency of the second photovoltaic panels 202.

[0069] A cleaning component 300, including protective parts 301 symmetrically provided on both sides of the U-shaped frame 102. A connecting plate 302 is slidably provided inside the U-shaped frame 102. A set of guiding parts 400 corresponding to the first photovoltaic panels 201 are provided on both sides of the support base 101. A first cleaning part 303 is slidably provided between two opposite guiding parts 400. The two ends of the protective part 301 are respectively hinged to the corresponding connecting plate 302 and the first cleaning part 303. The protective part 301 is a plate-like structure, and the area of the protective part 301 is not less than the area of the first photovoltaic panel 201. When the connecting plate 302 slides down along the U-shaped frame 102, the protective part 301 gradually covers the surface of the first photovoltaic panel 201, thereby protecting the first photovoltaic panel 201. By cooperating with the above-mentioned support base 101 to protect the second photovoltaic panels 202, it can play a role in protecting the entire photovoltaic panel group 200 and reducing the risk of accumulating impurities when the photovoltaic panel group is exposed to the external environment in the non-working state.

[0070] The end of the support base 101 is elastically provided with a second cleaning member 304. During the outward movement of the first cleaning member 303 along with the protective member 301, the first photovoltaic panel 201 is cleaned, and simultaneously the second cleaning member 304 is brought into contact with the second photovoltaic panel 202. The first cleaning member 303 and the second cleaning member 304 are used to clean dust, impurities, etc. on the surfaces of the first photovoltaic panel 201 and the second photovoltaic panel 202, so as to ensure their energy conversion efficiency;

[0071] The driving component 500 is arranged at the bottom of the bracket 100 and is used to drive the connecting plate 302 to slide downward along the U-shaped frame 102 and the second photovoltaic panel 202 to move back into the support base 101. During the backward movement of the second photovoltaic panel 202, it contacts the second cleaning member 304 to complete the cleaning of the second photovoltaic panel 202.

[0072] Embodiment 3

[0073] A photovoltaic power generation system provided in Embodiment 2 is further optimized. Specifically, please refer to Figures 2 - 8 As shown, a set of receiving grooves 103 for inserting the second photovoltaic panel 202 are symmetrically opened at both ends of the support base 101. A set of linear slots 104 parallel to the side of the support base 101 are symmetrically opened at the bottom of the support base 101 in a central symmetry manner. A connecting column 203 which is slidably connected to the linear slot 104 is arranged at the bottom end of the second photovoltaic panel 202.

[0074] Specifically, the driving component 500 includes a rotating member 501 arranged in the middle of the bottom end of the support base 101. The rotating member 501 is driven by a driving member 5(02) installed on the bracket 100 (the driving member 502 is a motor that can rotate forward and backward and is connected to the control module. Specific details are not elaborated in this case). A first piston member 503 is arranged between the rotating member 501 and the connecting column 203. The end of the first piston member 503 is communicated with the rotating member 501. Specifically, the first piston member 503 includes a first piston cylinder installed on the side of the rotating member 501. The outer end of the first piston cylinder has a first piston rod. A connecting block is arranged at the end of the first piston rod. The connecting block is annular and is movably sleeved on the connecting column 203. Thus, when the rotating member 501 rotates to drive the entire first piston member 503 to rotate synchronously, due to the guiding and restricting effect of the linear slot 104, the connecting column 203 will drive the second photovoltaic panel 202 to move along the linear slot 104. Correspondingly, the medium in the first piston cylinder will be extruded.

[0075] The top end of the rotating part 501 is connected through a rotating connector 504 to a first pipe fitting 505 located on top of the support base 101. A downward second piston part 506 is connected to the side of the first pipe fitting 505. In this case, the number of the second piston parts 506 corresponds to that of the first piston parts 503, that is, two are also provided. The end of the second piston part 506 is connected to the connecting plate 302 through a connecting rod 507. The medium squeezed in the first piston cylinder enters the second piston part 506, thereby driving the connecting rod 507 and the connecting plate 302 to move downward (the connecting plate 302 has a second through groove 509 for the first pipe fitting 505 and the second piston part 506 to pass through, and the support base 101 has a first through groove 508 for the piston rod of the second piston part 506 and the connecting rod 507 to press down), thereby controlling the corresponding operations of the protective part 301, the first cleaning part 303 and the second cleaning part 304.

[0076] Embodiment 4

[0077] Please refer to Figures 2 - 11 As shown in, a photovoltaic power generation system, the first cleaning part 303 includes a connecting seat 3031 with an opening at the bottom. A first brush 3032 is slidably arranged at the bottom of the connecting seat 3031. The guiding part 400 has a loop-shaped guiding groove 401. Both ends of the bottom of the connecting seat 3031 are provided with first movable slot openings 3033. The end of the first brush 3032 is provided with a guiding rod 3034 that passes through the first movable slot opening 3033 and slides along the loop-shaped guiding groove 401. A magnetic block 402 is embedded at one end of the loop-shaped guiding groove 401 close to the outer end of the support base 101. The end of the guiding rod 3034 is provided with a guiding block 3035 that repels the magnetic block 402. When the guiding block 3035 slides along the bottom of the loop-shaped guiding groove 401, the first brush 3032 cleans the first photovoltaic panel 201. Correspondingly, when the guiding block 3035 runs to the outer end of the loop-shaped guiding groove 401, since the thrust generated by the protective part 301 is greater than the repulsive force of the magnetic block 402 on the guiding block 3035, the guiding block 3035 can run above the magnetic block 402. At this time, the protective part 301 covers the surface of the first photovoltaic panel 201, and the first photovoltaic panel 201 moves back to the storage groove 103. The thrust of the protective part 301 on the guiding block 3035 disappears, and then the repulsive force will push the guiding block 3035 upward. Then the guiding block 3035 moves to the groove above the loop-shaped guiding groove 401. During the process that the protective part 301 covers the first photovoltaic panel 201 and protects it, the first brush 3032 has completed a cleaning of the first photovoltaic panel 201. Therefore, when the protective part 301 moves upward with the connecting plate 302, the guiding block 3035 moves along the groove above the loop-shaped guiding groove 401, so that the first brush 3032 is separated from the first photovoltaic panel 201 during the process that the first photovoltaic panel 201 is exposed, reducing the friction use frequency of the first brush 3032 and increasing the service life of the first brush 3032.

[0078] Correspondingly, the second cleaning member 304 includes a second scrub brush 3041 movably arranged at the notch of the receiving groove 103, a scrub groove 3042 parallel to the guide member 400 is provided on the support seat 101, a second movable scrub groove 3043 is provided between the end of the scrub groove 3042 and the notch of the receiving groove 103, a lower pressure plate 3044 is elastically provided in the scrub groove 3042, and the end of the second scrub brush 3041 has a protrusion 3045 passing through the second movable scrub groove 3043 and connected to the lower pressure plate 3044, a lower pressure block 3046 corresponding to the lower pressure plate 3044 is provided on the guide rod 3034, and the opposite ends of the lower pressure block 3046 and the lower pressure plate 3044 are both provided with an arc, and the first scrub brush 3032 is along the bottom of the circular guide groove 401 During sliding, the lower pressure plate 3044 is squeezed and the second brush 3041 is driven to contact the surface of the second photovoltaic panel 202. That is, while the protective member 301 is protecting the first photovoltaic panel 201 and the first cleaning member 303 is cleaning the first photovoltaic panel 201, the second photovoltaic panel 202 is driven by the driving member 502 to move into the storage groove 103, contact the second brush 3041, and push out dust and other impurities on its surface, completing the cleaning of the second photovoltaic panel 202. Correspondingly, when the second photovoltaic panel 202 moves outward, the first brush 3032 is separated from the first photovoltaic panel 201, so that the lower pressure plate 3044 is elastically reset, and the second brush 3041 is separated from the second photovoltaic panel 202, thereby improving the service life of the second brush 3041.

[0079] When the bracket 100 is installed, the U-shaped frame 102 is vertically facing the end where the sun rises. Therefore, when the sun shines on the photovoltaic component, the U-shaped frame 102 and the protective member 301 and other structures will cast a shadow on the corresponding rear end, thereby improving the conversion efficiency of the first photovoltaic panel 201.

[0080] The use process of the photovoltaic power generation system provided by the present invention is as follows:

[0081] When the bracket 100 is installed, the U-shaped frame 102 is vertically facing the end where the sun rises;

[0082] At night or before snow and wind, the control module controls the driving member 502 to drive the rotating member 501 to rotate, and the rotation of the rotating member 501 drives the entire first piston member 503 to rotate synchronously. Since the linear notch 104 plays a guiding and limiting role, the connecting column 203 moves along the linear notch 104 driven by the rotation of the first piston member 503. Correspondingly, the connecting column 203 squeezes the first piston member 503, and the first piston member 503 enters the second piston member 506, and then drives the connecting plate 302 downward through the connecting rod 507, that is, the second photovoltaic panel 202 moves synchronously with the protective member 301. When the protective member 301 completely covers the first photovoltaic panel 201, the second photovoltaic panel 202 synchronously and completely enters the storage groove 103, as shown in the attached figure. Figure 11As shown, during the movement of the protective member 301, the first cleaning member 303 is pushed to move along the surface of the first photovoltaic panel 201 to clean the first photovoltaic panel 201. At the same time, the pressing block 3046 presses the lower pressing plate 3044, causing the second cleaning member 304 to move downward, that is, to synchronously clean the second photovoltaic panel 202 moving into the storage groove 103. After the protective member 301 completely covers the first photovoltaic panel 201, the thrust force of the protective member 301 on the guiding block 3035 disappears. Then, the repulsive force of the magnetic block 402 on the guiding block 3035 will push the guiding block 3035 upward. That is, during the reset process of the protective member 301, since the cleaning work on the first photovoltaic panel 201 and the second photovoltaic panel 202 has been completed, and the first photovoltaic panel 201 and the second photovoltaic panel 202 are protected by the protective member 301 and the storage groove 103, reducing the accumulation of impurities. Therefore, the guiding block 3035 moves along the groove above the loop-shaped guiding groove 401, and the first brush 3032 is separated from the first photovoltaic panel 201. Correspondingly, the extrusion force on the elastically arranged lower pressing plate 3044 disappears synchronously, and the second brush 3041 is separated from the second photovoltaic panel 202, reducing the usage frequency of the first brush 3032 and the second brush 3041 and increasing their service life.

[0083] In the present invention, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection or communication with each other; it can be directly connected, or indirectly connected through an intermediate medium, and can be the internal connection of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0084] Obviously, the embodiments described above are only a part of the embodiments of the present invention, rather than all embodiments. The drawings show preferred embodiments of the present invention, but do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing specific embodiments, or equivalently replace some of the technical features. Any equivalent structure directly or indirectly using the content of the specification and drawings of the present invention in other related technical fields is equally within the scope of the patent protection of the present invention.

Claims

1. A photovoltaic power generation system, characterized in that: include: Photovoltaic modules, which convert solar radiation into electrical energy; Batteries, used to store electrical energy; Inverters are used to convert DC power into AC power; A control module, used to control the operation of the photovoltaic power generation system; The photovoltaic module is provided with a cleaning module, which is operated by the control module to clean impurities from the surface of the photovoltaic panel. The photovoltaic assembly comprises a bracket (100), a support base (101) arranged on the top of the bracket (100), and a U-shaped frame (102) arranged in the middle of the support base (101); A photovoltaic panel group (200) comprises a pair of first photovoltaic panels (201) and a pair of second photovoltaic panels (202), wherein the two first photovoltaic panels (201) are symmetrically mounted on both sides of the upper surface of the support base (101), and the second photovoltaic panels (202) are symmetrically slidably plugged into both ends of the support base (101); The cleaning assembly (300) comprises protective members (301) symmetrically arranged on both sides of a U-shaped frame (102), wherein the protective members (301) are plate-shaped structures, and the area of the protective members (301) is not less than the area of the first photovoltaic panel (201), a connecting plate (302) is slidably arranged on the inner side of the U-shaped frame (102), and a group of guide members (400) corresponding to the first photovoltaic panel (201) are arranged on both sides of the support seat (101), and the two opposing guide members (400) are arranged on the inner side of the U-shaped frame (102). 00), a first cleaning member (303) is slidingly provided between the protective member (301), both ends of the protective member (301) are hinged to the corresponding connecting plate (302) and the first cleaning member (303), and a second cleaning member (304) is elastically provided at the end of the support seat (101), and the first cleaning member (303) cleans the first photovoltaic panel (201) during the outward movement of the protective member (301), and simultaneously drives the second cleaning member (304) to contact the second photovoltaic panel (202); The first cleaning member (303) comprises a connecting seat (3031) having an opening at the bottom, a first brush (3032) being slidably provided at the bottom of the connecting seat (3031), the guide member (400) having a circular guide groove (401), first movable notches (3033) being provided at both ends of the bottom of the connecting seat (3031), a guide rod (3034) passing through the first movable notch (3033) and sliding along the circular guide groove (401) being provided at the end of the first brush (3032), a magnetic block (402) being embedded at one end of the circular guide groove (401) close to the outer end of the support seat (101), a guide block (3035) being repelled from the magnetic block (402) being provided at the end of the guide rod (3034), and when the guide block (3035) slides along the bottom of the circular guide groove (401), the first brush (3032) cleans the first photovoltaic panel (201); The second cleaning member (304) includes a second brush (3041) movably arranged at the notch of the receiving groove (103); a plate groove (3042) parallel to the guide member (400) is provided on the support seat (101); a second movable notch (3043) is provided between the end of the plate groove (3042) and the notch of the receiving groove (103); a lower pressure plate (3044) is elastically provided in the plate groove (3042); the end of the second brush (3041) has a second movable notch ( 3043) and a convex column (3045) connected to the lower pressing plate (3044), a lower pressing block (3046) corresponding to the lower pressing plate (3044) is provided on the guide rod (3034), and the opposite ends of the lower pressing block (3046) and the lower pressing plate (3044) are both provided with an arc, and when the first brush (3032) slides along the bottom of the circular guide groove (401), it presses the lower pressing plate (3044) and drives the second brush (3041) to contact the surface of the second photovoltaic panel (202); The driving assembly (500) is arranged at the bottom of the bracket (100) and is used to drive the connecting plate (302) to slide downward along the U-shaped frame (102) and the second photovoltaic panel (202) to move back into the support seat (101). During the process of the second photovoltaic panel (202) moving back, the second cleaning member (304) comes into contact with the second cleaning member (304) to complete the cleaning of the second photovoltaic panel (202).

2. A photovoltaic power generation system according to claim 1, characterized in that: It also includes a protection module arranged on the photovoltaic component, which covers and protects the photovoltaic component after the cleaning module cleans the photovoltaic panel.

3. A photovoltaic power generation system according to claim 1, characterized in that: It also includes an environmental monitoring module to detect the weather environment when the photovoltaic components are working. In rainy and snowy weather conditions, the control module pre-controls the protection module to operate and cover the photovoltaic components for protection.

4. A photovoltaic power generation system according to claim 3, characterized in that: A group of receiving grooves (103) for plugging the second photovoltaic panel (202) are symmetrically provided at both ends of the support base (101), a group of linear notches (104) parallel to the sides of the support base (101) are centrally symmetrically provided at the bottom of the support base (101), and a connecting column (203) slidably connected to the linear notches (104) is provided at the bottom end of the second photovoltaic panel (202).

5. A photovoltaic power generation system according to claim 4, characterized in that: The driving assembly (500) includes a rotating member (501) arranged in the middle of the bottom end of the support seat (101), the rotating member (501) is driven by a driving member (502) installed on the bracket (100), a first piston member (503) is arranged between the rotating member (501) and the connecting column (203), the end of the first piston member (503) is connected to the rotating member (501), the top of the rotating member (501) is connected to the first pipe member (505) located on the top of the support seat (101) through a rotating connector (504), the side of the first pipe member (505) is connected to a downward second piston member (506), and the end of the second piston member (506) is connected to the connecting plate (302) through a connecting rod (507).

Images