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With the increasingly frequent global trade, shipping has become the "main force" of international trade and transportation with its advantages of large volume and low cost. However, the high salt fog, high humidity and strong corrosiveness in the marine environment, like a hidden "killer", always threaten the normal operation of electronic equipment in marine equipment. Among them, switching power supply, as the core component of power supply, once damaged by salt fog corrosion, will lead to the failure of ship navigation, communication, automatic control system and other equipment, seriously affecting shipping safety and efficiency. With deep technical accumulation and keen market insight, Shanghai Fengchuang Industrial Co., Ltd. has launched a metal shell switching power supply with salt spray corrosion resistance, which provides a reliable guarantee for the stable power supply of marine equipment.

Since its establishment, Shanghai Fengchuang Industrial Co., Ltd. has always focused on R&D and innovation in the field of electronic equipment. As a national high-tech enterprise, it has gathered a group of top talents in the power electronics industry and built a strong R&D team. Over the years, the company has been deeply involved in the research and development of switching power supplies, filters and other products, accumulated rich technical experience and numerous successful cases, and established a good brand image in the industry. The metal shell switching power supply adapted to marine equipment launched this time is the innovative result of numerous tests and improvements for the special marine environment needs of Fengchuang.

Fengchuang metal shell switching power supply shows excellent performance in resisting salt spray corrosion. Its shell is made of high-strength special alloy, which has good corrosion resistance and mechanical strength. On this basis, through advanced surface treatment technology, the shell is covered with multiple layers of "protective armor": first, a high-strength rust-proof coating effectively isolates the metal from contact with external corrosive media; Secondly, the dense passivation film layer further enhances the chemical stability of the metal surface; Finally, the nano-scale anticorrosive coating is covered to form a molecular protective barrier. The professional salt spray test shows that the power supply shell is still intact under the harsh conditions of continuous spraying with 5% concentration salt water for 72 hours, and there is no corrosion or peeling. Moreover, the internal circuit board of the power supply is also coated with special three-proof paint, which can resist moisture, salt spray and mold erosion in all directions and ensure stable operation in extreme marine environment.

In addition to excellent corrosion resistance, this switching power supply is also excellent in function and performance. It adopts advanced high-frequency switching technology to realize high-efficiency electric energy conversion, and the conversion efficiency of the whole machine is over 93%, which effectively reduces energy consumption and contributes to energy saving and emission reduction of ships. Support AC 90-264V wide voltage input, which can easily cope with the voltage fluctuation of power grid in different sea areas and different working conditions, and ensure the stable operation of power supply. Multi-output design can meet the power supply requirements of various electronic equipment in marine equipment. By optimizing the circuit layout, multi-output common ground is realized, signal interference is greatly reduced, and accurate operation of equipment is guaranteed. In addition, the built-in intelligent control chip has multiple protection functions such as over-voltage, over-current and short-circuit, which protects the safety of equipment in all directions.

In practical application, Fengchuang metal shell switching power supply has shown great strength. After a large ocean shipping group replaced the power supply on several freighters, the operation stability of the ship navigation system, communication base station and other equipment that had frequently failed due to salt spray corrosion was significantly improved. According to statistics, the equipment failure rate is reduced by 60%, the maintenance cost is reduced by over 40%, and the power supply can still supply power continuously and stably when the ship sails in the high salt fog sea area, effectively ensuring the shipping safety and transportation efficiency. At the same time, the efficient electric energy conversion characteristics also save considerable energy costs for ships.

Compared with similar products in the market, Fengchuang metal shell switching power supply stands out with its unique corrosion-resistant design, excellent performance and high cost performance. Its innovative multi-layer protection technology and advanced circuit design far exceed traditional products in salt spray corrosion resistance and power supply stability. In addition, relying on the perfect supply chain system and mature production technology, Fengchuang can provide highly competitive prices while ensuring the high quality of products, and provide customers with professional pre-sales technical consultation and after-sales maintenance services to solve their worries.

The introduction of salt spray corrosion-resistant metal shell switching power supply is an important breakthrough of Shanghai Fengchuang Industrial Co., Ltd. in the field of marine equipment power supply. In the future, Fengchuang will continue to increase R&D investment, focus on special application scenarios such as marine environment, constantly explore new technologies and new processes, and develop more high-performance and high-reliability electronic equipment products, which will continue to empower the high-quality development of the shipping industry and help the global shipping industry to move forward steadily.

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