Innovative application of laser soldering technology for circuit boards in the field of automotive charging

Laser soldering is a technology that uses laser as a heat source to heat tin material for welding. Laser soldering technology for circuit boards has a wide range of applications in the electronics industry. The principle is to use the high energy of laser to achieve rapid heating of local or small areas and complete the welding process. Common application methods include laser wire bonding, laser solder paste bonding, laser solder ball bonding, etc.

Application of Laser Soldering in Automotive Charging Station Circuit Board

The welding quality of circuit boards is crucial in the production of car charging stations. Laser soldering technology can precisely control the energy required for welding, ensuring the yield and precision of welding. Its non-contact soldering method has no mechanical stress damage and minimal thermal effects, making it particularly suitable for soldering temperature sensitive electronic components. At the same time, the multi axis intelligent work platform can cope with various complex and precise soldering processes, meeting the complex soldering requirements of automotive charging station circuit boards.

For example, in the automotive industry electronics such as PCB boards and FPCB boards, laser soldering technology can be used to solder various electronic components. For integrated circuit boards and individual electronic components such as optical components, acoustic components, and semiconductor refrigeration components, the solder joints are full and have good wetting properties with the solder pads.

Zichen Laser Precision Laser Soldering Machine is a standard tin wire welding/solder paste welding equipment, mainly composed of automatic tin wire feeding/spot solder paste device, can adopt dual Y configuration, and can also integrate AOI detection function, infrared real-time temperature feedback system, CCD coaxial positioning system, and semiconductor laser. The independently developed constant temperature laser soldering software achieves layered processing of processing parameters for different solder joints and heights, ensuring one-time processing completion, and can also monitor the completion status of welding in real time during the welding process. PID online temperature regulation feedback system can control constant temperature welding, improve welding yield and efficiency.

The future technological innovation direction of laser soldering technology in the field of automotive charging piles

With the continuous advancement of technology, laser soldering technology is expected to usher in more technological innovations in the field of automotive charging stations. On the one hand, higher precision welding technology will become the focus of development. At present, the minimum solder joint diameter of laser soldering can reach 0.2mm, with a high success rate of 99%. In the future, it is expected to further improve accuracy and achieve more microscopic welding, meeting the increasingly refined electronic component welding needs in automotive charging stations. For example, with the continuous development of chip technology, smaller and more integrated chips will be applied in the control system of charging stations, which requires laser soldering technology to achieve more accurate soldering, ensuring the performance and reliability of chips.

On the other hand, more efficient welding techniques will continue to emerge. Currently, the laser soldering system combined with a 6-axis robot has reduced the welding action time by one-third compared to manual completion. In the future, it is expected to improve the welding speed and efficiency by further optimizing the welding process and equipment. For example, developing more advanced laser beam control technology to achieve fast and continuous welding processes, reducing pauses and adjustment time during the welding process. At the same time, by combining artificial intelligence and big data technology, real-time monitoring and optimization of the welding process can be carried out to improve the yield and stability of welding.

In addition, laser soldering technology may also innovate in welding materials and processes. For example, developing new types of solder materials to improve the conductivity, heat resistance, and corrosion resistance of solder, to meet the needs of automotive charging stations in different working environments. At the same time, exploring new welding processes such as multi beam laser welding, laser composite welding, etc., to improve the efficiency and quality of welding.

Market prospects of laser soldering technology in the field of automotive charging stations

With the rapid development of new energy vehicles, the market demand for car charging stations is also constantly increasing. As one of the key technologies in the manufacturing of automotive charging stations, laser soldering technology has a very broad market prospect.

According to statistics, the sales of new energy vehicles in China reached 850000 units in April 2024, a year-on-year increase of 33.5%, and the market share climbed to 36%. With the continuous expansion of the new energy vehicle market, the demand for car charging stations will also continue to grow. Laser soldering technology, with its advantages of high precision, small heat affected zone, contactless welding, high efficiency and speed, as well as cleanliness and environmental protection, will be widely used in the field of automotive charging stations.

In the future, with the continuous advancement of new energy vehicle technology, the performance and quality requirements for car charging stations will also continue to increase. This will further promote the development and application of laser soldering technology. For example, as the range of new energy vehicles continues to increase, higher requirements have been placed on the charging speed and efficiency of charging stations. This requires electronic components and circuits in charging stations to have higher performance and reliability, and laser soldering technology can meet these requirements, providing strong technical support for the development of automotive charging stations.

Meanwhile, with the continuous improvement of environmental awareness, the requirements for green manufacturing of car charging stations will also become increasingly high. Laser soldering technology, as a clean and environmentally friendly welding technique, meets the sustainable development requirements of modern manufacturing and will play a more important role in the future manufacturing of automotive charging stations.