Distributed photovoltaic power generation device

By introducing a rotating base and cleaning structure into the distributed photovoltaic power generation device, a motor-driven brush is used to clean the dust on the surface of the solar panels, and the panels are covered for protection when not in use. This solves the problem of dust affecting the efficiency of photovoltaic power generation, and improves the light energy absorption efficiency and the weather resistance of the device.

CN224097648UActive Publication Date: 2026-04-07沂南力诺太阳能电力工程有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

When existing distributed photovoltaic power generation devices are used outdoors, dust easily accumulates on the surface of the solar panels, which reduces the light energy absorption efficiency and affects the power generation efficiency.

Method used

It adopts a rotating base and cleaning structure, and uses a motor to drive a brush to clean the surface of the solar panel in a zigzag reciprocating motion. When not in use, the waterproof tarpaulin is flipped and folded to cover and protect the solar panel.

Benefits of technology

It effectively prevents dust adsorption, improves the light energy absorption efficiency of solar panels, extends the service life of the device, and enhances its resistance to extreme weather.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a distributed photovoltaic power generation device, which comprises a rotating base and a mounting frame, the top end of the rotating base is rotatably connected with a bottom frame, the mounting frame is connected above the bottom frame in an overturning manner, the two ends of the bottom frame are rotatably connected with covering structures, and a solar panel is mounted in the top end of the mounting frame. Cleaning structures are arranged at the two ends of the interior of the mounting frame, each cleaning structure comprises a guide groove, a first reciprocating screw rod, an internal thread sliding seat, a supporting block, a guide rod, a second reciprocating screw rod, an internal thread mounting seat and a brush, the guide grooves are formed in the two ends of the top end of the mounting frame, and angle adjusting connecting rods are rotationally connected to the two ends of the mounting frame. The first reciprocating lead screw and the internal thread mounting base are driven by the two motors to rotate, so that the brush is driven to perform reciprocating Z-shaped moving cleaning along the solar panel, and the situation that the photovoltaic power generation effect is affected due to dust adsorption on the surface of the solar panel is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to distributed photovoltaic power generation device technical field, especially in kind of distributed photovoltaic power generation device. BACKGROUND

[0002] Distributed photovoltaic power generation device is a kind of photovoltaic power generation, relative to traditional photovoltaic power generation device, distributed photovoltaic power generation scale small more applicable with city, rural densely populated areas, and distributed photovoltaic power generation device can be close to enter distribution network, reduce the consumption of electric quantity transportation, improve the stability of power grid, so that the practicality of distributed photovoltaic power generation device is higher.

[0003] Therefore, the patent specification with the publication number CN222192238U discloses a kind of distributed photovoltaic power generation device, including base, base top rotation is equipped with mounting rod, mounting rod top is fixed with the support mechanism for installing photovoltaic board, second installation cavity is equipped in mounting rod, second installation cavity is fixed with the drive assembly for driving support mechanism to adjust angle along the length direction of mounting rod, the device is small, structure is stable, can be simultaneously adjusted the pitch angle of photovoltaic board according to season and regional environment at that time by one controller synchronous control multiple devices, and the solar position of different time period, to improve the power quality obtained by photovoltaic board, so as to improve power generation efficiency.The above-mentioned distributed photovoltaic power generation device has good photovoltaic power generation effect when being used, but still some problems exist:

[0004] The above-mentioned distributed photovoltaic power generation device is mostly installed outdoors when being used, and the surface of solar panel is easy to adsorb a large amount of dust for a long time under the influence of external environment, which causes the light energy absorption effect of solar panel to gradually decrease. SUMMARY

[0005] The utility model aims at providing a kind of distributed photovoltaic power generation device, to solve the defect that the solar panel of the existing distributed photovoltaic power generation device avoids gradually reducing solar absorption efficiency due to adsorbing dust.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of distributed photovoltaic power generation device, including rotating base and installation frame, the top of rotating base is rotatably connected with bottom frame, the upper of bottom frame is reversely connected with installation frame, the both ends of bottom frame are rotatably connected with cover structure, the inside of installation frame top is installed with solar panel, the both ends in the inside of installation frame are provided with cleaning structure, the cleaning structure includes guide slot, first reciprocating screw rod, internal thread slide, support block, guide rod, second reciprocating screw rod, internal thread mounting seat and brush, the both ends of guide slot are opened in installation frame top, the both ends of installation frame are rotatably connected with angle adjusting connecting rod.

[0007] When in use, the distributed photovoltaic power generation device is connected with a photovoltaic power generation special control cabinet equipped with a PLC controller, a photoelectric encoder and other control systems, and the rotating base drives the bottom frame to rotate under the control of the control cabinet, and the angle adjusting connecting rod lifts the installation frame to adjust the angle under the driving of the motor, so that the solar panel can adjust the angle and direction according to the angle of solar radiation, the solar panel can absorb light energy with maximum efficiency, and the inverter, special storage battery and other parts are installed at the specified position, so that the light energy absorbed by the solar panel can be converted into electric energy.

[0008] Preferably, a plurality of the solar panels are installed inside the installation frame and symmetrically distributed inside the installation frame, so as to improve the light energy absorption efficiency of the device.

[0009] Preferably, the guide groove is rotatably connected with a first reciprocating screw rod, the outer side of the first reciprocating screw rod is wrapped with a internally threaded sliding seat, the top end of the internally threaded sliding seat is fixedly connected with a supporting block, one end of the supporting block is fixedly connected with a guide rod, the upper side of the guide rod is provided with a second reciprocating screw rod, the outer side of the second reciprocating screw rod is threadedly connected with an internally threaded mounting seat, the bottom end of the internally threaded mounting seat is fixedly connected with a brush, and the brush can move back and forth in a Z-shaped manner along the surface of the solar panel through the driving of the first reciprocating screw rod and the second reciprocating screw rod.

[0010] Preferably, the guide groove and the internally threaded sliding seat are in a sliding structure, and the first reciprocating screw rod and the internally threaded sliding seat are in a threaded connection structure, so that the brush can be driven to move back and forth in one direction.

[0011] Preferably, the supporting block and the second reciprocating screw rod are in a rotating structure, and the guide rod and the internally threaded mounting seat are in a sliding structure, so that the brush can move back and forth in a straight line in another direction.

[0012] Preferably, the covering structure comprises a rotating frame, a fixed frame, a folding waterproof tarpaulin, a connecting rod and an auxiliary gear, the rotating frame is rotatably connected to the two sides of the bottom frame, the bottom of the bottom frame is fixedly connected with the fixed frame, the inner side of the fixed frame is provided with the folding waterproof tarpaulin, the bottom of the inner side of the rotating frame is fixedly connected with the connecting rod, and one end of the outer side wall of the connecting rod is fixedly connected with the auxiliary gear. When the number of devices installed is small, the rotating frame can be manually turned over, and when the number of devices installed is large, a motor driven gear meshing with the auxiliary gear can be selected for electric driving.

[0013] Preferably, the rotating frame and the connecting rod are perpendicular to each other, so that the turning over of the rotating frame is more stable.

[0014] Compared with the prior art, the utility model discloses the beneficial effect is: through the motor drive makes first reciprocating screw rod with second reciprocating screw rod can rotate, and with this drive brush along the surface of solar panel reciprocating cleaning, when not using the distributed photovoltaic power generation device can turn over the rotating frame and make folding waterproof canopy cover the solar panel whole protection.

[0015] 1. Under the drive of two groups of motors, the first reciprocating screw rod and the internally threaded mounting seat are rotated, and the brush is driven to move along the surface of the solar panel in a Z-shaped reciprocating manner, thereby avoiding the influence of dust adsorption on the surface of the solar panel on the photovoltaic power generation effect.

[0016] 2. Turn over the rotating frame to drive one end of the folding waterproof canopy, thereby covering the upper part of the distributed photovoltaic power generation device with the folding waterproof canopy, so that it is not affected by external weather environmental factors. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a three-dimensional expansion structure schematic view of the utility model;

[0019] Figure 3 It is a three-dimensional local section structure schematic view of the cleaning structure of the utility model;

[0020] Figure 4 It is a Figure 1 local section enlarged structure schematic view of the utility model;

[0021] Figure 5 It is a three-dimensional expansion structure schematic view of the covering structure of the utility model;

[0022] Figure 6 It is a Figure 5 local section enlarged structure schematic view of the utility model.

[0023] In the drawing: 1, rotating base; 2, bottom frame; 3, mounting frame; 4, solar panel; 5, cleaning structure; 501, guide groove; 502, first reciprocating screw rod; 503, internally threaded slide; 504, support block; 505, guide rod; 506, second reciprocating screw rod; 507, internally threaded mounting seat; 508, brush; 6, angle adjusting connecting rod; 7, covering structure; 701, rotating frame; 702, fixed frame; 703, folding waterproof canopy; 704, connecting rod; 705, auxiliary gear. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] Please refer to Figures 1-6 The distributed photovoltaic power generation device provided by the present application comprises a rotating base 1, a bottom frame 2 rotatably connected to the top end of the rotating base 1, an installation frame 3 reversibly connected to the top of the bottom frame 2, a solar panel 4 internally installed at the top end of the installation frame 3, wherein the solar panel 4 is internally installed in the installation frame 3 in a symmetrical distribution, an angle adjusting connecting rod 6 rotatably connected to the two ends of the installation frame 3, a cleaning structure 5 arranged at the two ends of the installation frame 3, and the cleaning structure 5 comprises a guide groove 501, a first reciprocating screw rod 502, an internally threaded sliding seat 503, a supporting block 504, a guide rod 505, a second reciprocating screw rod 506, an internally threaded mounting seat 507 and a brush 508. The guide groove 501 is formed at the two ends of the top end of the installation frame 3, the first reciprocating screw rod 502 is rotatably connected to the inside of the guide groove 501, the internally threaded sliding seat 503 is wrapped outside the first reciprocating screw rod 502, the supporting block 504 is fixedly connected to the top end of the internally threaded sliding seat 503, the guide rod 505 is fixedly connected to one end of the supporting block 504, the second reciprocating screw rod 506 is arranged above the guide rod 505, the internally threaded mounting seat 507 is threadedly connected to the outside of the second reciprocating screw rod 506, and the brush 508 is fixedly connected to the bottom end of the internally threaded mounting seat 507. The guide groove 501 and the internally threaded sliding seat 503 are in a sliding structure, the first reciprocating screw rod 502 and the internally threaded sliding seat 503 are in a threaded connection structure, the supporting block 504 and the second reciprocating screw rod 506 are in a rotating structure, and the guide rod 505 and the internally threaded mounting seat 507 are in a sliding structure.

[0026] Refer to the drawings Figure 1 , Figure 2 , Figure 3 and Figure 4In use of the distributed photovoltaic power generation device, since it is mostly installed in outdoor environment, dust is easily adsorbed on the surface of the solar panel 4 after long time use, which continuously reduces the light energy absorption effect of the solar panel 4, and further causes the power generation efficiency of the distributed photovoltaic power generation device to be affected. The first reciprocating screw rod 502 is rotatably connected at both ends of the mounting frame 3, and is rotated under driving of the motor to drive the internally threaded sliding seat 503 to reciprocatingly move along the guide groove 501. At this time, the second reciprocating screw rod 506 mounted at one end of the support block 504 is rotated under driving of another set of motor, and drives the internally threaded mounting seat 507 to drive the brush 508 to reciprocatingly move along the guide rod 505 in a straight line, and the movement direction is perpendicular to the movement direction of the support block 504. During use of the distributed photovoltaic power generation device, the motor is started regularly to drive the brush 508 to move in Z shape along the surface of the solar panel 4 for cleaning, so as to avoid a large amount of dust from being adsorbed on the surface of the solar panel 4.

[0027] The bottom frame 2 is rotatably connected with a covering structure 7 at both ends. The covering structure 7 comprises a rotating frame 701, a fixed frame 702, a foldable waterproof tarpaulin 703, a connecting rod 704 and an auxiliary gear 705. The rotating frame 701 is rotatably connected to both sides of the bottom frame 2. The bottom frame 2 is fixedly connected with the fixed frame 702 at the bottom. The fixed frame 702 is provided with the foldable waterproof tarpaulin 703 at the inner side. The bottom of the inner side of the rotating frame 701 is fixedly connected with the connecting rod 704. One end of the outer side wall of the connecting rod 704 is fixedly connected with the auxiliary gear 705. The two sets of rotating frames 701 are perpendicular to the connecting rod 704.

[0028] Referring to the accompanying drawings Figure 1 , Figure 2 , Figure 5 and Figure 6 , since the distributed photovoltaic power generation device is mostly installed in outdoor environment, it is affected by local climate. If it appears in rainy days, hail, gale and other extreme weather, the service life of the distributed photovoltaic power generation device is greatly shortened under the influence of the environment for a long time. Therefore, the rotating frame 701 and the fixed frame 702 are arranged at both ends of the bottom frame 2, and the foldable waterproof tarpaulin 703 is arranged between the rotating frame 701 and the fixed frame 702. When the motor drives the auxiliary gear 705 through the gear, one end of the foldable waterproof tarpaulin 703 is turned over by the rotating frame 701, so that the foldable waterproof tarpaulin 703 covers the top of the distributed photovoltaic power generation device, so that it is not affected by external weather environment factors.

[0029] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A distributed photovoltaic power generation device, comprising a rotating base (1) and a mounting frame (3); Its features are: The top of the rotating base (1) is rotatably connected to the bottom frame (2); The bottom frame (2) is flipped and connected to the top of the mounting frame (3), and the two ends of the bottom frame (2) are rotatably connected to the covering structure (7). A solar panel (4) is installed inside the top of the mounting frame (3). A cleaning structure (5) is provided at both ends inside the mounting frame (3). The cleaning structure (5) includes a guide groove (501), a first reciprocating screw (502), an internal thread slide (503), a support block (504), a guide rod (505), a second reciprocating screw (506), an internal thread mounting seat (507), and a brush (508). The guide groove (501) is opened at both ends of the top of the mounting frame (3). Angle adjustment rods (6) are rotatably connected to both ends of the mounting frame (3).

2. A distributed photovoltaic power generation device according to claim 1, characterized in that: Several solar panels (4) are installed inside the mounting frame (3), and the several solar panels (4) are symmetrically distributed inside the mounting frame (3).

3. A distributed photovoltaic power generation device according to claim 1, characterized in that: The guide groove (501) is rotatably connected to a first reciprocating screw (502). The outer side of the first reciprocating screw (502) is wrapped with an internal thread slide (503). The top of the internal thread slide (503) is fixedly connected to a support block (504). One end of the support block (504) is fixedly connected to a guide rod (505). A second reciprocating screw (506) is provided above the guide rod (505). The outer side of the second reciprocating screw (506) is threadedly connected to an internal thread mounting seat (507). The bottom end of the internal thread mounting seat (507) is fixedly connected to a brush (508).

4. A distributed photovoltaic power generation device according to claim 3, characterized in that: The guide groove (501) and the internal thread slide (503) are in a sliding structure, and the first reciprocating screw (502) and the internal thread slide (503) are in a threaded connection structure.

5. A distributed photovoltaic power generation device according to claim 3, characterized in that: The support block (504) and the second reciprocating screw (506) are in a rotating structure, and the guide rod (505) and the internal thread mounting seat (507) are in a sliding structure.

6. A distributed photovoltaic power generation device according to claim 1, characterized in that: The covering structure (7) includes a rotating frame (701), a fixed frame (702), a folded waterproof tarpaulin (703), a connecting rod (704), and an auxiliary gear (705). The rotating frame (701) is rotatably connected to both sides of the bottom frame (2). The bottom of the bottom frame (2) is fixedly connected to the fixed frame (702). The inner side of the fixed frame (702) is provided with a folded waterproof tarpaulin (703). The bottom of the inner side of the rotating frame (701) is fixedly connected to the connecting rod (704). One end of the outer wall of the connecting rod (704) is fixedly connected to the auxiliary gear (705).

7. A distributed photovoltaic power generation device according to claim 6, characterized in that: The two sets of rotating frames (701) are perpendicular to each other and the connecting rod (704).

Citation Information

Patent Citations

  • Distributed photovoltaic power generation device

    CN222192238U