Summary of the Aluminum Mounting Brackets Industry Knowledge

As the core load-bearing structure of photovoltaic power plants, photovoltaic bracket selection directly affects the operational safety, damage rate and overall investment cost of photovoltaic modules. A reasonable selection of bracket solutions will not only help reduce project costs, but also effectively reduce later operation and maintenance expenses.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

According to the material properties of the main force-bearing rods, photovoltaic brackets are mainly divided into steel brackets, aluminum alloy brackets and non-metallic brackets. Among them, steel brackets dominate the market due to their high strength and low cost, while aluminum alloy brackets are widely used in specific scenarios because of their excellent corrosion resistance and lightweight characteristics.

According to the installation method and operation strategy, the bracket system is mainly divided into two categories: fixed and tracking. Fixed brackets include optimal inclination fixed ones, inclination adjustable ones and roof-fixed ones; tracking types are divided into flat single-axis, inclined single-axis and dual-axis tracking systems, which use electromechanical devices to drive components to move with the sun's trajectory to improve power generation efficiency.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The photovoltaic array of the fixed bracket does not change with the incident angle of the sun and receives radiation at a fixed tilt angle. According to the inclination angle setting method, the Aluminum Alloy Waterproof Solar Rail can be divided into optimal inclination fixed type, inclined roof fixed type and inclination adjustable fixed type. Optimal inclination fixed type: fixed arrangement based on the local optimal installation inclination, widely used in flat roofs and ground power stations.

 

Flat roofs can use concrete foundation supports or concrete ballast supports. The former has strong wind resistance and does not damage the waterproof layer, but the construction period is longer; the latter is easy to construct, but the counterweight needs to be designed according to the maximum local wind force. Ground power stations commonly use cast-in-place reinforced concrete foundations, independent and strip concrete foundations, precast concrete hollow column foundations, etc. Among them, the Aluminum Alloy Waterproof Solar Rail can improve the durability and waterproof performance of the system in humid or rainy environments. Sloping roof fixed type: Considering the limited load-bearing capacity of the roof, the components are usually installed flat, with the inclination angle consistent with the roof. Tile roofs use connectors such as hooks, guide rails, and pressure blocks; light steel roofs (color steel tiles) use clamps or self-tapping bolts according to the roof panel type, and special attention must be paid to waterproofing. Adjustable tilt angle fixed type: Manually adjust the tilt angle of the bracket regularly at the turning point of the change of the sun's incident angle to improve power generation efficiency at a lower cost.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The tracking bracket uses electromechanical or hydraulic devices to move the photovoltaic array with the incident angle of the sun to improve power generation capacity. According to the number of axes, it is divided into single-axis tracking and dual-axis tracking systems. The flat single-axis tracking system is suitable for low latitude areas, and the dual-axis tracking system can achieve maximum power generation at each latitude. In such high-precision structures, the Aluminum Clamp Hook for Roof Photovoltaic Support is often used for modular fixing and angle adjustment.

 

 

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