Double-glass photovoltaic module

By introducing automated regulation and cleaning systems into dual-glass photovoltaic modules, the dust pollution problem is solved, the power generation efficiency and service life are improved, and the maintenance cost is reduced.

CN119315918AInactive Publication Date: 2025-01-14ZHEJIANG BEYONDSUN GREEN ENERGY TECH CO LTD
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Patent Information

Application Number
CN202411833164.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-01-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Dual glass photovoltaic modules are prone to dust pollution after long-term use, affecting transmittance and power generation efficiency. The existing technology is difficult to effectively automated cleaning, which increases manual maintenance and cleaning costs.

Method used

A double glass photovoltaic assembly including adjustment components and cleaning components is designed. The adjustment components automatically adjust the angle of the photovoltaic assembly through an electric push rod and transmission gear system. The cleaning components are regularly removed from dust through a motor-driven screw and sponge roller system to ensure that Photovoltaic module surface cleaning.

Benefits of technology

It realizes automated cleaning functions, reduces the frequency and cost of manual maintenance, improves the power generation efficiency and service life of photovoltaic modules, and ensures that the photovoltaic modules are always at the optimal light reception angle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of photovoltaic modules, and discloses a double-glass photovoltaic module which comprises a bottom plate, a supporting plate is mounted at the top of the bottom plate, a rotating column is rotationally connected to one side of the supporting plate, a mounting frame is fixedly connected to one end of the rotating column, and a photovoltaic module body is mounted in the mounting frame. A cleaning assembly used for brushing dust on the surface of the photovoltaic module body is installed at the top of the installation frame, and an adjusting assembly used for adjusting the deflection angle of the photovoltaic module body is installed in the bottom plate. In the inclination process of the adjusting assembly, dust brushed away by the cleaning assembly can be dumped down from the photovoltaic assembly body. And through cooperation of the cleaning assembly and the adjusting assembly, the cleaned dust is effectively dumped in the inclination process of the photovoltaic assembly, the dust is prevented from remaining on the assembly, and the cleaning effect is further improved.
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Description

Technical Field

[0001] The invention belongs to the technical field of photovoltaic modules, and in particular relates to a double-glass photovoltaic module. Background Art

[0002] Double-glass photovoltaic modules refer to photovoltaic cell modules composed of a composite layer of two pieces of glass and solar cells. The cells are connected in series and in parallel by wires and gathered at the lead ends. They can generate electricity using solar radiation and are special glass with related current lead-out devices and cables.

[0003] For example, a Chinese utility model patent with announcement number CN215528930U discloses a double-sided double-glass photovoltaic module. The external supporting frames of the double glass panels are designed to rotate relative to each other to adjust the tilt angle, thereby indirectly adjusting the illumination angle of the glass panels to adapt to the installation environment and to more stably convert light energy. The operation can be achieved simply by turning a hand wheel, which is convenient and labor-saving.

[0004] However, after the device is used for a long time, dust is easily generated on the surface of the double glass plate and needs to be cleaned, otherwise the dust affects the transmittance of the double glass plate. Summary of the invention

[0005] The present invention aims to provide a double-glass photovoltaic module.

[0006] The technical solution adopted by the present invention to solve the above problem is: a double-glass photovoltaic module, comprising: A base plate, a support plate is installed on the top of the base plate, one side of the support plate is rotatably connected to a rotating column, one end of the rotating column is fixedly connected to a mounting frame, a photovoltaic component body is installed inside the mounting frame, a cleaning component for brushing dust on the surface of the photovoltaic component body is installed on the top of the mounting frame, and an adjusting component for adjusting the deflection angle of the photovoltaic component body is installed inside the base plate.

[0007] Among them, the adjustment component can adjust the tilt angle of the photovoltaic module according to the position and angle of the sun, so that it is always at the best light receiving angle, thereby improving the power generation efficiency of the photovoltaic module.

[0008] Cleaning components can regularly remove dust and other impurities from the surface of photovoltaic modules to ensure that light can fully reach the surface of photovoltaic cells and maintain their efficient power generation capacity. The automated cleaning function reduces the frequency and cost of manual maintenance and cleaning, while reducing the risk of damage to components that may be caused during manual operation.

[0009] In particular, the adjusting component can dump the dust removed by the cleaning component from the photovoltaic component body during the tilting process. The cleaning component cooperates with the adjusting component to effectively dump the dust swept away during the tilting process of the photovoltaic component, preventing dust from remaining on the component, and further improving the cleaning effect.

[0010] A further preferred technical solution is that the adjustment component includes a movable plate, one end of the movable plate is fixedly connected to an electric push rod, the electric push rod is installed inside the base plate, and transmission tooth plates are fixedly connected to both sides of the movable plate. The transmission tooth plates on both sides of the movable plate are oriented in opposite directions, and the surfaces of the transmission tooth plates are meshingly connected to transmission gears. A threaded rod is connected through the axis of the transmission gear, the bottom end of the threaded rod is rotatably connected to the bottom of the inner wall of the base plate, the outer side of the threaded rod is threadedly connected to an abutment rod, the top of the abutment rod abuts against the bottom of the photovoltaic component body, and the outer side of the abutment rod is slidably connected to a support tube, and the bottom of the support tube is fixedly connected to the top of the base plate.

[0011] Among them, the movable plate is a movable plate installed in the key position of the entire adjustment system. Through the push of the electric push rod, the movable plate can move on the base plate to drive the operation of the entire adjustment system.

[0012] An electric push rod is a device for achieving linear motion, usually driven by a motor and converting rotary motion into linear motion through mechanical transmission. The motor is generally a DC motor or an AC motor. The push rod is usually a rod-shaped object made of metal or high-strength material, directly connected to the load, and achieves linear motion through the action of a screw and a nut to push or pull the load. A guide system can also be set, usually including a guide sleeve or a slide rail to ensure that the push rod maintains linear motion during the extension and retraction process to avoid deviation. The electric push rod usually also has a housing and a seal. The housing is usually made of metal or plastic and contains seals to protect the internal components from environmental factors such as dust and moisture, thereby improving the durability and reliability of the electric push rod.

[0013] Drive racks and gears are common components in mechanical transmission systems that transfer motion and force from one component to another through meshing. The drive rack is usually a section of a long plate with a toothed structure on one side, usually made of metal, such as steel or aluminum, to ensure its strength and wear resistance. The teeth on the rack can be straight or helical. When the rack meshes with the gear, it can convert linear motion into rotational motion. Drive gears are usually circular disks with regularly arranged teeth around them. They are usually made of high-strength metals, such as steel, to ensure their durability and reliability under high loads. The tooth shape of the gear can be straight or helical, and the selection is based on the tooth shape of the drive rack.

[0014] The threaded rod is a metal rod with a spiral external thread, and its upper end is connected to the transmission gear plate through a transmission gear, so that it can rotate. The main function of the threaded rod is to convert the rotational motion of the transmission gear into the linear motion of the abutment rod. By rotating, the threaded rod pushes or pulls the abutment rod threadedly connected to it to move up and down, thereby adjusting the angle of the photovoltaic module body. The abutment rod is a rod threadedly connected to the threaded rod, and its top has a surface for contacting the bottom of the photovoltaic module body. It is driven by the threaded rod to move linearly. The function of the abutment rod is to transmit the linear motion generated by the rotation of the threaded rod to the photovoltaic module body, thereby achieving the tilt and angle adjustment of the module body. By rotating the threaded rod, the abutment rod can be raised and lowered to change the angle of the photovoltaic module. The support tube is a hollow tube fixed to the top of the base plate. It surrounds the outside of the abutment rod and usually has sufficient strength and rigidity to support the movement of the abutment rod. The support tube provides additional mechanical support to prevent the abutment rod from deflecting or bending during movement, ensuring that the movement of the abutment rod is smooth and accurate. At the same time, it helps maintain the structural integrity and stability of the entire assembly.

[0015] A further preferred technical solution is that the cleaning component includes a mounting plate fixedly connected to the top of the mounting frame, a fixing plate fixedly connected to one side of the mounting plate, a screw rod installed on the fixing plate, one end of the screw rod fixedly connected to a power supply, a movable frame threadedly connected to the outer side of the screw rod, a guide rod slidingly connected to the interior of the movable frame, the guide rod rotatably connected to the fixing plate, a bearing with a seat fixedly connected to the bottom of the movable frame, a long rod installed inside the bearing with a seat, a driving gear fixedly connected to the end of the long rod, a fixed gear plate meshingly connected to the surface of the driving gear, and a cleaning roller installed on the outer side of the long rod.

[0016] Among them, the screw is a long rod with threads, usually made of metal, with spiral threads on its outer surface, allowing a nut or a structure with an internal threaded hole to match it. The main function of the screw is to convert the driving force into linear motion through rotational motion. In this system, the power supply drives the screw to rotate, so that the threaded mobile rack moves along the axis on the screw. This design can control the automatic movement of the mobile rack. The power supply is usually an electric motor or a stepper motor, which is directly or through a reducer connected to one end of the screw. It needs to have enough power to drive the rotation of the screw. The power supply provides the rotational power required by the screw. By controlling the forward and reverse rotation of the motor, the forward and backward movement of the mobile rack on the screw can be achieved. The selection of the motor can be based on the power requirements, speed requirements and accuracy of the system to ensure the effective operation of the cleaning component.

[0017] The cleaning roller is composed of several square sponge blocks, also known as sponge rollers. These sponge blocks provide a soft cleaning surface suitable for wiping photovoltaic panels without scratching their surface. The square sponge blocks are connected to each other by Velcro, also known as hook and loop fasteners. Velcro provides a simple and adjustable connection method, allowing the sponge blocks to be easily replaced or rearranged. The inside of the sponge roller is attached to the outside of the long pole by Velcro. This connection method allows the sponge roller to be easily installed on the long pole and is easy to remove and replace. With the Velcro adhesive connection, the cleaning roller can be quickly replaced when needed, which is very convenient for maintenance and cleaning. In addition, this connection method allows removal and installation without the need for tools, enhancing the flexibility of operation.

[0018] A further preferred technical solution is that: a through hole is opened on the surface of the bottom plate for the threaded rod to pass through, a small bearing is installed at the bottom of the support tube, and the threaded rod is installed inside the small bearing.

[0019] A further preferred technical solution is that a groove is provided at the bottom of the movable plate, a sliding strip is slidably connected inside the groove, and the bottom of the sliding strip is fixedly connected to the bottom of the inner wall of the bottom plate.

[0020] A further preferred technical solution is that a clamping block is fixedly connected to the surface of the abutting rod, and a clamping groove for installing the clamping block is provided on the inner wall of the supporting tube.

[0021] A further preferred technical solution is that a linear groove for the long rod to move is provided on one side of the mounting plate.

[0022] A further preferred technical solution is that: the mounting plate is a hollow plate, the bottom of the fixed tooth plate is fixedly connected to the bottom of the inner wall of the mounting plate, and the driving gear is arranged inside the mounting plate.

[0023] A further preferred technical solution is that the cleaning roller is a sponge roller, which is formed by a plurality of square sponge blocks adhered by Velcro, and the inside of the sponge roller is adhered to the outside of the long rod by Velcro.

[0024] A further preferred technical solution is that a rubber abutment round head is provided on the top of the abutment rod.

[0025] In summary, the present invention has the following benefits: 1. The present invention sets an adjustment component. When adjusting the deflection angle of the photovoltaic component body, the electric push rod is started to make the movable plate move inside the bottom plate, so that the transmission tooth plate drives the transmission gear to rotate, and then the threaded rod rotates. Since the transmission tooth plates on both sides of the movable plate are arranged in opposite directions, the rotation directions of the threaded rods on both sides of the movable plate are opposite. When the threaded rod rotates, it will drive the abutment rod to move in the vertical direction, so that the abutment rods on both sides of the movable plate move in opposite directions in the vertical direction. Since the abutment rods on both sides of the movable plate are arranged symmetrically, when the photovoltaic component body is deflected, the abutment rods on both sides of the movable plate move the same distance in the vertical direction but in opposite directions, thereby realizing the adjustment of the angle of the photovoltaic component body, so that the photovoltaic component body can be deflected to the left or to the right, thereby improving the range of adjustment of the angle of the photovoltaic component body by the device and improving the scope of use of the device.

[0026] 2. The present invention sets a cleaning component. When the photovoltaic component body needs to be cleaned, the motor is started to rotate the screw rod. Under the action of the guide rod, the movable frame moves back and forth with the long rod. During the movement, the driving gear is moved left and right by the fixed tooth plate, so that the long rod rotates, and then the cleaning roller rotates to brush off the dust on the surface of the photovoltaic component body, thereby facilitating the cleaning of the dust on the surface of the photovoltaic component body and reducing the influence of dust on the photovoltaic component's absorption of sunlight. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of the push rod, the transmission tooth plate and the transmission gear of the present invention; Figure 3 It is a schematic diagram of the structure of the mounting plate, the fixing plate and the screw rod of the present invention; Figure 4 It is a schematic structural diagram of the threaded rod, the abutment rod and the support tube of the present invention.

[0028] In the accompanying drawings, the components represented by each reference numeral are as follows: 1. Base plate; 2. Support plate; 3. Mounting frame; 4. Photovoltaic module body; 5. Movable plate; 6. Electric push rod; 7. Transmission gear plate; 8. Transmission gear; 9. Threaded rod; 10. Abutment rod; 11. Support tube; 12. Mounting plate; 13. Fixed plate; 14. Screw rod; 15. Moving frame; 16. Long rod; 17. Driving gear; 18. Fixed gear plate; 19. Cleaning roller. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0030] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0031] Example: Please combine Figure 1-Figure 4 A double-glass photovoltaic module of this embodiment includes a base plate 1, an adjustment component is installed inside the base plate 1, two support plates 2 are installed on the top of the base plate 1, one side of the support plate 2 is rotatably connected to a rotating column, one end of the rotating column is fixedly connected to a mounting frame 3, a photovoltaic module body 4 is installed inside the mounting frame 3, and a cleaning component is installed on the top of the mounting frame 3.

[0032] The adjustment component is used to adjust the deflection angle of the photovoltaic component body 4. The adjustment component includes a movable plate 5. Two grooves are provided at the bottom of the movable plate 5. A sliding strip is slidably connected inside the groove. The bottom of the sliding strip is fixedly connected to the bottom of the inner wall of the bottom plate 1 to ensure the normal movement of the movable plate 5. One end of the movable plate 5 is fixedly connected to an electric push rod 6. The electric push rod 6 is installed inside the bottom plate 1. Transmission tooth plates 7 are evenly spaced and fixedly connected on both sides of the movable plate 5. The surface of the transmission tooth plate 7 is meshed with a transmission gear 8. A threaded rod 9 is connected through the axis of the transmission gear 8. The transmission tooth plates 7 on both sides of the movable plate 5 face in opposite directions to ensure that the threaded rods 9 on both sides of the movable plate 5 rotate in opposite directions. The bottom end of the threaded rod 9 is rotatably connected to the bottom of the inner wall of the bottom plate 1, and the outer side of the threaded rod 9 Abutment rods 10 are threadedly connected, and the abutment rods 10 on both sides of the movable plate 5 are symmetrically arranged. A rubber abutment round head is arranged on the top of the abutment rod 10 to prevent the abutment rod 10 from damaging the photovoltaic component body 4. The top of the abutment rod 10 abuts against the bottom of the photovoltaic component body 4. The outer side of the abutment rod 10 is slidably connected with a support tube 11. Two blocks are fixedly connected to the surface of the abutment rod 10. A card groove adapted to the card block is provided on the inner wall of the support tube 11, which ensures the normal lifting and lowering movement of the abutment rod 10 without deflection. A through hole is provided on the surface of the bottom plate 1 for the threaded rod 9 to pass through. A small bearing is installed at the bottom of the support tube 11, and the threaded rod 9 is installed inside the small bearing to ensure the normal operation of the threaded rod 9. The bottom of the support tube 11 is fixedly connected to the top of the bottom plate 1.

[0033] The cleaning component is used to brush away dust on the surface of the photovoltaic component body 4. The cleaning component includes two mounting plates 12 fixedly connected to the top of the mounting frame 3, two fixing plates 13 fixedly connected to one side of the mounting plate 12, a screw rod 14 is installed between the two front fixing plates 13, one end of the screw rod 14 is fixedly connected to a power supply, a mounting block is installed at the bottom of the power supply, and the mounting block is fixedly connected to the right side of the right front fixing plate 13 to ensure the normal operation of the power supply, the outer side of the screw rod 14 is threadedly connected to a moving frame 15, and the inside of the moving frame 15 is slidably connected to a guide rod, and the two ends of the guide rod are respectively rotatably connected to one side of the two fixing plates 13 on the back, and the bottom of the moving frame 15 is fixedly connected to two seat bearings, and the inside of the seat bearing is installed with A linear groove for the movement of the long rod 16 is provided on one side of the mounting plate 12, thereby ensuring the normal movement of the long rod 16. Both ends of the long rod 16 are fixedly connected with a driving gear 17. The mounting plate 12 is a hollow plate. The bottom of the fixed tooth plate 18 is fixedly connected to the bottom of the inner wall of the mounting plate 12. The driving gear 17 is arranged inside the mounting plate 12 to protect the normal operation of the fixed tooth plate 18 and the driving gear 17. The surface of the driving gear 17 is meshedly connected with the fixed tooth plate 18. A cleaning roller 19 is installed on the outside of the long rod 16. The cleaning roller 19 is a sponge roller. The sponge roller is formed by gluing the ends of a square sponge block together through Velcro, and the inside of the sponge roller is glued to the outside of the long rod 16 through Velcro, thereby facilitating the installation and replacement of the sponge roller.

[0034] The implementation principle of a double-glass photovoltaic module in the embodiment of the present application is as follows: when adjusting the deflection angle of the photovoltaic module body 4, the electric push rod 6 is started to move the movable plate 5 inside the bottom plate 1, so that the transmission tooth plate 7 rotates with the transmission gear 8, and then the threaded rod 9 rotates. Since the transmission tooth plates 7 on both sides of the movable plate 5 are arranged in opposite directions, the rotation directions of the threaded rods 9 on both sides of the movable plate 5 are opposite. When the threaded rods 9 rotate, they will move the abutment rods 10 in the vertical direction, so that the abutment rods 10 on both sides of the movable plate 5 move in opposite directions in the vertical direction. Since the abutment rods 10 on both sides are symmetrically arranged, when the photovoltaic module body 4 is deflected, the abutment rods 10 on both sides of the movable plate 5 move the same distance in the vertical direction in opposite directions, thereby realizing the adjustment of the angle of the photovoltaic module body 4, so that the photovoltaic module body 4 can be deflected to the left or to the right, thereby improving the range of adjustment of the angle of the photovoltaic module body 4 by the device and improving the scope of use of the device.

[0035] When the photovoltaic component body 4 needs to be cleaned, the motor is started to rotate the screw rod 14, and under the action of the guide rod, the movable frame 15 moves back and forth with the long rod 16. During the movement, the driving gear 17 is moved left and right by the fixed tooth plate 18, so that the long rod 16 rotates, and then the cleaning roller 19 rotates to brush off the dust on the surface of the photovoltaic component body 4, thereby facilitating the cleaning of the dust on the surface of the photovoltaic component body 4 and reducing the influence of dust on the photovoltaic component's absorption of sunlight.

[0036] In addition, the same or similar element symbols are used to refer to the same or similar parts or steps in the drawings and descriptions as much as possible. The drawings are presented in simplified form and are not drawn to exact scale. For convenience and clarity only, directional terms such as top, bottom, left, right, upward, above, above, below, below, behind, and in front may be used with respect to the drawings. These and similar directional terms should not be construed as limiting the scope of the present disclosure in any way.

Claims

1. A double-glass photovoltaic module, characterized in that: The invention comprises a bottom plate (1), a support plate (2) being mounted on the top of the bottom plate (1), a rotating column being rotatably connected to one side of the support plate (2), a mounting frame (3) being fixedly connected to one end of the rotating column, a photovoltaic module body (4) being mounted inside the mounting frame (3), a cleaning component for brushing dust off the surface of the photovoltaic module body (4) being mounted on the top of the mounting frame (3), and an adjusting component for adjusting the deflection angle of the photovoltaic module body (4) being mounted inside the bottom plate (1).

2. A double-glass photovoltaic module according to claim 1, characterized in that: The adjustment component comprises a movable plate (5), one end of the movable plate (5) is fixedly connected to an electric push rod (6), the electric push rod (6) is installed inside the base plate (1), both sides of the movable plate (5) are fixedly connected to transmission tooth plates (7), the transmission tooth plates (7) on both sides of the movable plate (5) face in opposite directions, the surfaces of the transmission tooth plates (7) are meshingly connected to transmission gears (8), a threaded rod (9) is connected through the axis of the transmission gear (8), the bottom end of the threaded rod (9) is rotatably connected to the bottom of the inner wall of the base plate (1), the outer side of the threaded rod (9) is threadedly connected to an abutment rod (10), the top of the abutment rod (10) abuts against the bottom of the photovoltaic component body (4), the outer side of the abutment rod (10) is slidably connected to a support tube (11), and the bottom of the support tube (11) is fixedly connected to the top of the base plate (1).

3. A double-glass photovoltaic module according to claim 1, characterized in that: The cleaning assembly comprises a mounting plate (12) fixedly connected to the top of the mounting frame (3); a fixing plate (13) is fixedly connected to one side of the mounting plate (12); a screw rod (14) is mounted on the fixing plate (13); one end of the screw rod (14) is fixedly connected to a power source; the outer side of the screw rod (14) is threadedly connected to a moving frame (15); a guide rod is slidably connected to the inside of the moving frame (15); the guide rod is rotatably connected to the fixing plate (13); a bearing with a seat is fixedly connected to the bottom of the moving frame (15); a long rod (16) is mounted inside the bearing with a seat; the end of the long rod (16) is fixedly connected to a driving gear (17); the surface of the driving gear (17) is meshingly connected to a fixed tooth plate (18); and a cleaning roller (19) is mounted on the outer side of the long rod (16).

4. A double-glass photovoltaic module according to claim 2, characterized in that: The surface of the bottom plate (1) is provided with a through hole for the threaded rod (9) to pass through, a small bearing is installed at the bottom of the support tube (11), and the threaded rod (9) is installed inside the small bearing.

5. A double-glass photovoltaic module according to claim 2, characterized in that: The bottom of the movable plate (5) is provided with a groove, the interior of the groove is slidably connected to a sliding strip plate, and the bottom of the sliding strip plate is fixedly connected to the bottom of the inner wall of the bottom plate (1).

6. A double-glass photovoltaic module according to claim 2, characterized in that: A clamping block is fixedly connected to the surface of the abutting rod (10), and a clamping groove for mounting the clamping block is provided on the inner wall of the supporting tube (11).

7. A double-glass photovoltaic module according to claim 3, characterized in that: A linear groove for the long rod (16) to move is provided on one side of the mounting plate (12).

8. A double-glass photovoltaic module according to claim 3, characterized in that: The mounting plate (12) is a hollow plate, the bottom of the fixed tooth plate (18) is fixedly connected to the bottom of the inner wall of the mounting plate (12), and the driving gear (17) is arranged inside the mounting plate (12).

9. A double-glass photovoltaic module according to claim 3, characterized in that: The cleaning roller (19) is a sponge roller, which is formed by a plurality of square sponge blocks adhered by Velcro, and the inside of the sponge roller is adhered to the outside of the long rod (16) by Velcro.

10. A double-glass photovoltaic module according to claim 2, characterized in that: A rubber abutment round head is provided on the top of the abutment rod (10).

Citation Information

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