Photovoltaic cell mounting assembly and rooftop photovoltaic cell system

Abstract

The present invention relates to the technical field of solar photovoltaics, and disclosed are a photovoltaic cell mounting assembly and a rooftop photovoltaic cell system. The photovoltaic cell mounting assembly comprises a mounting frame, an adjustment mechanism, and a fixing mechanism, wherein the mounting frame is used for mounting a photovoltaic cell panel, the adjustment mechanism is used for adjusting the angle of the photovoltaic cell panel, and the fixing mechanism is used for fixing the mounting frame onto the rooftop. The rooftop photovoltaic cell system comprises a plurality of photovoltaic cell mounting assemblies, a connecting mechanism, a control system, and an energy management system, wherein the connecting mechanism is used for connecting the plurality of photovoltaic cell mounting assemblies together, the control system is used for adjusting the angle of the photovoltaic cell panel and the state of the connecting mechanism, and the energy management system is used for converting direct current generated by the photovoltaic cell panel into alternating current, storing excess electrical energy, and metering power generation capacity and power consumption. The photovoltaic cell mounting assembly and the rooftop photovoltaic cell system of the present invention have the advantages such as simple mounting, good stability, adjustable angles, good heat dissipation performance, convenient maintenance, and high energy conversion efficiency, and are suitable for various rooftop structures.

Description

Photovoltaic cell mounting assembly and roof photovoltaic cell system TECHNICAL FIELD

[0001] The present application belongs to the technical field of solar photovoltaic technology, and specifically relates to a photovoltaic cell mounting assembly and a roof photovoltaic cell system. BACKGROUND

[0002] With the growing global demand for clean energy, solar photovoltaic power generation technology has been widely used. However, the existing photovoltaic cell installation method has many problems. On the one hand, the solar energy receiving efficiency of the traditional fixed installation assembly is limited, and it cannot fully utilize the solar energy resources in different time periods. On the other hand, the installation process of some adjustable angle installation assemblies is complicated, and the adaptability to the roof structure is poor, and it is easy to appear loose, damage and other problems in the long-term use. In addition, the existing roof photovoltaic cell system also has certain difficulties in maintenance and expansion. When part of the photovoltaic cell fails, it often needs to be disassembled for maintenance, which not only consumes a lot of time and manpower, but also may cause secondary damage to the roof structure. Therefore, it is of great practical significance to develop a new type of photovoltaic cell mounting assembly and roof photovoltaic cell system to improve the utilization efficiency of solar energy, enhance the stability of the system and facilitate installation and maintenance.

[0003] SUMMARY

[0004] In order to solve the above problems, the present application provides a photovoltaic cell mounting assembly and a roof photovoltaic cell system.

[0005] The technical scheme of the present application is as follows:

[0006] A photovoltaic cell mounting assembly, comprising a mounting frame, an adjusting mechanism and a fixing mechanism; the mounting frame is used for mounting a photovoltaic cell panel, the adjusting mechanism is used for adjusting the angle of the photovoltaic cell panel, and the fixing mechanism is used for fixing the mounting frame on the roof.

[0007] Further, the mounting frame comprises a frame and a bottom plate, the frame is used for fixing the photovoltaic cell panel, and the bottom plate is provided with a ventilation hole.

[0008] Further, the frame is provided with a drainage groove.

[0009] Further, the adjusting mechanism comprises an adjusting rod and an adjusting seat, one end of the adjusting rod is connected with the mounting frame, the other end is connected with the adjusting seat, and the adjusting seat is fixed on the roof.

[0010] Further, the fixing mechanism comprises a fixing seat and a fixing bolt, the fixing seat is fixed on the roof, and the fixing bolt passes through the frame of the mounting frame and the fixing seat.

[0011] The application provides a roof photovoltaic cell system, comprising a plurality of photovoltaic cell mounting assemblies according to any one of claims 1-5 and a connecting mechanism; the connecting mechanism is used for connecting the plurality of photovoltaic cell mounting assemblies together.

[0012] Further, the connecting mechanism comprises a connecting piece and a connecting bolt, two ends of the connecting piece are connected with the frames of the two photovoltaic cell mounting assemblies respectively, and the connecting bolt passes through the connecting piece and the frames.

[0013] Further, a control system is further included; the control system comprises a sensor, a controller and a driver, the sensor is used for detecting the position of the sun and the light intensity, and the controller controls the driver to adjust the angle of the photovoltaic panel according to the detection result of the sensor.

[0014] Further, an energy management system is further included; the energy management system comprises an inverter, a storage battery and a smart meter, the inverter is used for converting the direct current generated by the photovoltaic panel into alternating current, the storage battery is used for storing the excess electric energy generated by the photovoltaic panel, and the smart meter is used for metering the power generation of the photovoltaic system and the power consumption of the user.

[0015] Compared with the prior art, the application has the following advantages:

[0016] The installation process is simple, large-scale modification of the roof is not required, and the application can be applied to various types of roofs.

[0017] The stability is good, the installation frame is fixed on the roof firmly through the fixing mechanism, and the influence of natural factors such as wind and rain can be effectively resisted.

[0018] The angle of the photovoltaic panel can be adjusted, and the receiving efficiency of solar energy is improved.

[0019] The heat dissipation performance is good, the temperature of the photovoltaic panel can be effectively reduced through the ventilation holes on the bottom plate, and the service life of the photovoltaic cell is improved.

[0020] Maintenance is convenient, when the photovoltaic panel fails, it can be individually disassembled for maintenance or replacement, and the normal work of other photovoltaic panels is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings generally illustrate various embodiments of the application and, together with the description given, serve to explain the principles of the application. Wherever possible, the same reference numbers are used in all drawings and the drawings are used to illustrate the principles of the application. Such embodiments are illustrative, rather than restrictive, of the application.

[0022] Fig. 1 shows a photovoltaic mounting assembly frame schematic diagram of the application;

[0023] Figure 2 shows a schematic diagram of the roof photovoltaic cell system framework of the present application. DETAILED DESCRIPTION

[0024] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] The present application provides a photovoltaic cell installation assembly, comprising:

[0026] The installation framework:

[0027] The installation framework is made of high-strength and corrosion-resistant aluminum alloy material, which is precisely processed and surface treated, taking into account the size and installation requirements of the photovoltaic cell panel, to ensure that the panel can be firmly fixed on the framework.

[0028] The frame adopts a clamping groove structure, which facilitates the quick installation and disassembly of the photovoltaic cell panel. The frame also has a sealing rubber strip inside, which can effectively prevent rainwater, dust, etc. from entering the inside of the framework, protecting the photovoltaic cell panel.

[0029] The bottom plate is evenly distributed with ventilation holes, which not only improve the heat dissipation performance of the photovoltaic cell panel, prolonging the service life of the panel, but also play a role in reducing the weight of the installation framework. The surface of the bottom plate is treated with anti-slip, increasing the friction with the roof and improving the stability of the installation assembly.

[0030] Adjusting mechanism:

[0031] The adjusting mechanism is composed of an adjusting rod, an adjusting seat and a locking device. The adjusting rod is made of high-strength stainless steel material, which has good strength and corrosion resistance. One end of the adjusting rod is connected to the installation framework through a ball hinge, and the other end is connected to the adjusting seat. The design of the ball hinge allows the installation framework to rotate freely within a certain range, facilitating the adjustment of the angle of the photovoltaic cell panel.

[0032] The adjusting seat is fixed on the roof and can be installed by expansion bolts, chemical anchors, etc. The adjusting seat is provided with a scale disc and a pointer, and the user can accurately adjust the length and angle of the adjusting rod according to the local solar altitude and azimuth, so that the photovoltaic cell panel is always in the best receiving state.

[0033] The locking device is used to fix the adjusting rod on the adjusting seat after adjusting the angle of the photovoltaic cell panel, preventing it from moving under the action of wind and other external forces. The locking device adopts a combination of mechanical lock and bolt, which has the advantages of simple operation and firm locking.

[0034] Fixing mechanism:

[0035] The mounting mechanism consists of mounting bases, fixing bolts, and shock-absorbing pads. The mounting bases are made of high-strength steel, providing excellent load-bearing capacity and stability. The mounting bases are fixed to the roof's load-bearing structure via welding, bolting, or other methods, ensuring that the installed components can withstand the weight of the photovoltaic panels and external forces.

[0036] The fixing bolts are made of high-strength stainless steel, offering excellent strength and corrosion resistance. They pass through the frame and mounting base of the mounting frame, securely fixing it to the roof. Anti-loosening washers and nuts are also provided on the bolts to prevent loosening.

[0037] Vibration damping pads are installed between the mounting base and the roof to effectively reduce the impact of external forces such as wind and earthquakes on the roof structure, protecting the integrity of the roof. Made of elastic materials such as rubber and silicone, the damping pads offer excellent shock absorption performance and weather resistance.

[0038] The present invention also provides a rooftop photovoltaic cell system, comprising:

[0039] Connection mechanism:

[0040] The connection mechanism consists of connectors, connecting bolts, and seals. The connectors are made of high-strength aluminum alloy, offering advantages such as light weight, high strength, and corrosion resistance. Each end of the connector has a slot that matches the frame of the photovoltaic cell mounting module, and the frames of two photovoltaic cell mounting modules are connected together using the connecting bolts.

[0041] The connecting bolts are made of high-strength stainless steel, offering excellent strength and corrosion resistance. They pass through the connector and frame, linking the two photovoltaic cell mounting assemblies together. Anti-loosening washers and nuts are also provided on the bolts to prevent loosening.

[0042] The seal is installed between the connector and the frame to effectively prevent rainwater, dust, and other contaminants from entering the connection area, protecting the internal structure of the photovoltaic cell mounting module. The seal is made of elastic materials such as rubber and silicone, providing excellent sealing performance and weather resistance.

[0043] Control system:

[0044] The control system consists of sensors, controllers, and actuators. Sensors include light sensors, temperature sensors, and wind speed sensors, used to detect parameters such as the sun's position, light intensity, temperature, and wind speed. The sensors are installed on the roof, facing the sun, and can monitor changes in environmental parameters in real time.

[0045] The controller is the core part of the control system, which adopts microprocessor control technology and has functions of data acquisition, processing, analysis and control. According to the detection results of the sensor, the controller automatically adjusts the angle of the photovoltaic panel and the state of the connecting mechanism to realize the maximum receiving efficiency of solar energy and the stability of the system. The controller can also be connected with the user's mobile phone, tablet computer and other terminal devices through wireless communication technology, which is convenient for the user to remotely monitor and manage the roof photovoltaic cell system.

[0046] The driver is used to execute the instructions of the controller to adjust the angle of the photovoltaic panel and the state of the connecting mechanism. The driver can adopt driving modes such as electric push rod and hydraulic cylinder, which has the advantages of fast response speed, high precision and good reliability.

[0047] Energy management system:

[0048] The energy management system is composed of an inverter, a storage battery and a smart meter. The inverter is used to convert the direct current generated by the photovoltaic panel into alternating current for users such as families and enterprises. The inverter adopts high-efficiency and stable power electronic technology, which has the advantages of high conversion efficiency, good output waveform and high reliability.

[0049] The storage battery is used to store the excess electric energy generated by the photovoltaic panel for use in the case of insufficient light such as night or rainy days. The storage battery can adopt types such as lead-acid storage battery and lithium-ion storage battery, which has the advantages of large capacity, long service life and safety and reliability.

[0050] The smart meter is used to measure the power generation of the photovoltaic cell system and the power consumption of the user to realize the bidirectional measurement and management of electric energy. The smart meter adopts advanced metering technology and communication technology, which can monitor the use of electric energy in real time and upload data to the cloud server, which is convenient for users to query and manage.

[0051] Specific technical solutions:

[0052] Drainage grooves are arranged on the frame of the installation frame, which can timely drain the rainwater on the photovoltaic panel and avoid the accumulation of rainwater at the frame, which may cause damage to the photovoltaic panel.

[0053] The adjusting rod adopts a telescopic structure, and the length of the adjusting rod can be adjusted by rotating the adjusting nut, which is more convenient and fast.

[0054] The reinforcing ribs are arranged on the fixing seat to improve the strength and stability of the fixing seat, ensuring that the installation assembly can be firmly fixed on the roof in various harsh environments.

[0055] Elastic washers are arranged in the clamping grooves of the connecting pieces to increase the tightness of the connection and prevent the photovoltaic cell installation assembly from shaking under the action of external forces such as wind.

[0056] The sensors in the control system are powered by solar energy, eliminating the need for external power supply, reducing the installation cost and maintenance difficulty of the system.

[0057] The controller is equipped with an automatic protection function. When abnormal conditions such as high temperature of photovoltaic panels and high wind speed are detected, the angle of photovoltaic panels or the system is automatically adjusted or shut down to protect the safety of the system.

[0058] The inverter in the energy management system adopts intelligent cooling technology. The speed of the cooling fan is automatically adjusted according to the working temperature of the inverter, improving the cooling efficiency and prolonging the service life of the inverter.

[0059] The battery is equipped with overcharge and overdischarge protection function. When the battery is fully charged or overdischarged, the charging or discharging is automatically stopped to protect the performance and life of the battery.

[0060] Installation steps of photovoltaic cell installation assembly

[0061] First, according to the structure and size of the roof, select the appropriate installation position. In the installation position, use expansion bolts to fix the adjusting seat on the roof. Ensure that the adjusting seat is firmly installed and can withstand the weight of the photovoltaic cell installation assembly and external force.

[0062] Then, place the installation frame on the adjusting seat and adjust the position. Pass the fixing bolts through the frame of the installation frame and the fixing seat, and tighten the fixing bolts with wrench to firmly fix the installation frame on the roof. When tightening the fixing bolts, pay attention to the appropriate force, avoid too tight or too loose.

[0063] Next, according to the local solar altitude and azimuth, adjust the length and angle of the adjusting rod to make the angle of the photovoltaic panel reach the best receiving state. After adjusting the angle, use the locking device to fix the adjusting rod on the adjusting seat to prevent it from moving under the action of wind and other external forces.

[0064] Finally, install the photovoltaic panel on the frame of the installation frame, and fix it on the frame with the pressing strip and bolts. When installing the photovoltaic panel, pay attention to keep the panel clean and flat, avoid scratches and damage.

[0065] Installation steps of roof photovoltaic cell system

[0066] According to the above installation steps of photovoltaic cell installation assembly, install multiple photovoltaic cell installation assemblies. During the installation process, pay attention to the levelness and perpendicularity of each photovoltaic cell installation assembly to ensure the stability and reliability of the system.

[0067] Two ends of the connecting piece are connected with the frames of the two photovoltaic cell installation assemblies respectively, connecting bolts are passed through the connecting piece and the frames, the connecting bolts are tightened by a wrench, and the two photovoltaic cell installation assemblies are connected together. The above steps are repeated, and the plurality of photovoltaic cell installation assemblies are connected into an integrated roof photovoltaic cell system.

[0068] The control system is installed. The sensor is installed on the roof, facing the direction of the sun. The controller and the driver are installed indoors, and the sensor, the controller and the driver are connected by cables. According to the instruction manual of the system, the parameters of the controller are set, so that the control system can work normally.

[0069] The energy management system is installed. The inverter, the battery and the smart meter are installed indoors, and the photovoltaic cell installation assembly, the control system and the energy management system are connected by cables. According to the instruction manual of the system, the parameters of the inverter and the smart meter are set, so that the energy management system can work normally.

[0070] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A photovoltaic cell mounting assembly, characterized by, The application relates to a photovoltaic cell mounting assembly, which comprises a mounting frame, an adjusting mechanism and a fixing mechanism; the mounting frame is used for mounting a photovoltaic cell panel; the adjusting mechanism is used for adjusting the angle of the photovoltaic cell panel; and the fixing mechanism is used for fixing the mounting frame on a roof.

2. A photovoltaic cell mounting assembly according to claim 1, wherein, The mounting frame comprises a frame and a bottom plate; the frame is used for fixing the photovoltaic cell panel; and the bottom plate is provided with ventilation holes.

3. The photovoltaic cell mounting assembly of claim 1, wherein, The frame is provided with a drainage groove.

4. The photovoltaic cell mounting assembly of claim 1, wherein, The adjusting mechanism comprises an adjusting rod and an adjusting seat; one end of the adjusting rod is connected with the mounting frame, and the other end is connected with the adjusting seat; and the adjusting seat is fixed on the roof.

5. The photovoltaic cell mounting assembly of claim 1, wherein, The fixing mechanism comprises a fixing seat and a fixing bolt; the fixing seat is fixed on the roof; and the fixing bolt penetrates through the frame of the mounting frame and the fixing seat.

6. A roof photovoltaic cell system characterized by, The application further relates to a photovoltaic cell system which comprises a plurality of photovoltaic cell mounting assemblies and a connecting mechanism; the connecting mechanism is used for connecting the plurality of photovoltaic cell mounting assemblies together.

7. The rooftop photovoltaic cell system of claim 6, wherein, The connecting mechanism comprises a connecting piece and a connecting bolt; the two ends of the connecting piece are respectively connected with the frames of two photovoltaic cell mounting assemblies; and the connecting bolt penetrates through the connecting piece and the frames.

8. The rooftop photovoltaic cell system of claim 6, wherein, The application further relates to a photovoltaic cell system which comprises a control system; the control system comprises a sensor, a controller and a driver; the sensor is used for detecting the position of the sun and the illumination intensity; and the controller controls the driver to adjust the angle of the photovoltaic cell panel according to the detection result of the sensor.

9. The rooftop photovoltaic cell system of claim 6, wherein, The application further relates to a photovoltaic cell system which comprises an energy management system; the energy management system comprises an inverter, a storage battery and a smart meter; the inverter is used for converting the direct current generated by the photovoltaic cell panel into alternating current; the storage battery is used for storing the excess electric energy generated by the photovoltaic cell panel; and the smart meter is used for measuring the power generation of the photovoltaic cell system and the power consumption of a user.

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