Photovoltaic junction boxes are very important in the composition of solar panels. Their main function is to connect the electricity generated by solar cells to external lines. They are divided into crystalline silicon junction boxes, amorphous silicon junction boxes, and curtain wall junction boxes. They are composed of three parts: box body, cable, and connector.
Photovoltaic junction boxes are connectors between the solar cell array consisting of solar cell modules and the solar charging control device. It is a comprehensive cross-domain design that combines electrical design, mechanical design, and material science.
Therefore, the market has very high quality requirements for solar photovoltaic junction boxes.
The following is a visual inspection case of solar photovoltaic junction boxes from Intsoft Technology:
Inspection points: leakage solder, wrong soldering, too much tin, too little tin, irregular solder joints, etc.