Connection method of solar photovoltaic brackets
Welding and assembly are the two main connection methods for solar brackets. Welding has lower requirements for angle steel, lower price, better connection effect, and is more secure, making it widely used. The problem with welding is that the connection points are prone to corrosion, which can result in higher maintenance costs. Anti corrosion work should be carried out every year to avoid bracket problems. Due to the complexity and high cost of maintenance, welding costs are high. In addition, welding used for field installation consumes a lot of electricity and also increases costs. Although welding has lower material requirements and better connection effects, the process is slightly rough and the bracket is not aesthetically pleasing, which is increasingly not in line with people's aesthetic needs. Therefore, the use of welded brackets for solar panel brackets is gradually becoming unsuitable.
Channel steel is gradually replacing these welded brackets to overcome the aforementioned issues. As a type of splicing bracket, the groove shaped steel finished bracket does not require welding on site and can be directly bolted together on site. It has a fast installation speed, beautiful and elegant appearance, is very durable, and is easy to adjust. The production of this bracket mainly makes the connection between the groove steels convenient, firm, and easy to disassemble.
Connection of solar photovoltaic bracket base
The form of the double row column support should be determined according to the actual situation. In general, the construction of roof solar energy can adopt the method of concrete block counterweight and embedded parts, and the construction of solar power stations can adopt the ground laying method and direct burial method. Applying different methods to different aspects will result in different effects. The first two methods are mainly used to prevent damage to the roof waterproof layer structure, while the latter two are applied to the entire power plant to improve its safety and reliability, thus ensuring normal operation.
In the construction of solar power plants, the ground anchor method has a high safety factor and is a commonly used method during construction. However, using the ground anchor method incurs high costs, and careful design and customization are necessary to make the connection part of the solar bracket mbt energy. cn more secure. Compared with the anchor method, the direct burial method is more convenient and does not require special customization. However, before using the direct burial method, it is necessary to conduct geographical survey experiments to ensure that the low-quality is very direct burial. The direct burial method is more suitable for solar photovoltaic brackets, as their layout is constrained by the solar panels.
Installation of new cold-formed thin-walled photovoltaic bracket components
1) Connection of steel structural components. The material of the new cold-formed thin-walled solar bracket is mainly composed of various mixed steel and plastic connections. Generally, it needs to be pre ordered and manufactured. Due to the variety of these steel and plastic materials, their usage range is relatively wide, as long as they meet the installation conditions. Ensuring the correct connection method of steel structural components is a prerequisite for the design of support structures.
2) Connection between bracket and foundation. The connection method between the new cold-formed thin-walled solar bracket and the foundation is generally relatively independent. However, in environments with poor conditions, it is best to use strip foundations or other foundations that can adapt to poor geological conditions
3) There are three ways to connect bracket purlins: rigid connection, hinged connection, and semi rigid connection, with hinged connection being the most convenient. When encountering harsh environments such as strong winds, rigid connections should be used to ensure that the beams and columns of the support are firm. Semi rigid joints have the performance that hinge joints do not possess, and also make up for the complex construction of rigid joints, which has the advantage of making up for the shortcomings of both. However, semi rigid joints are generally not adopted during construction.
Solar photovoltaic bracketTechnical difficulties of the system
The solar panel bracket has high requirements for technology. From the perspective of materials, if the quality of the section steel needs to be improved, it should be manufactured using skilled galvanizing technology and meet relevant national standards. Due to the extremely high requirements of the galvanizing process, from the thickness of the galvanized layer to the manufacturing method, strict adherence to standards is required. If there is any non-compliance with regulations, it may lead to problems during use, such as corrosion. The halogen has the greatest impact on steel corrosion, and its fast corrosion rate and wide range can quickly cause weak supports and serious quality problems. It can be seen that the prerequisite for manufacturing high standard photovoltaic brackets is to have a high level of galvanizing process.
From the perspective of connection, the connection method of section steel also requires clever conception and continuous development. Many people have conducted years of research on this and have developed an effective set of connection methods for steel sections. In terms of connection, not only should the safety of the connectors be considered, but also the design of the channel steel should be considered in all aspects, such as saving steel, convenient installation, cost reduction, and fast adjustment. In short, the connection methods of steel profiles need to be constantly explored in order to keep up with the rapid scientific development.
From an application perspective, if it is a double-sided channel steel, it must have a large bearing capacity, so back-to-back welding is adopted. The use of pressure laser welding and electric welding can achieve completely different effects. The former can achieve the purpose of back-to-back welding, combining double-sided channel steel into one, evenly connecting, and aesthetically pleasing; The latter can achieve channel steel connection, but it cannot be fully connected, and square pipes can also be used to achieve better results.
