Large-current-resistant welding spot structure of special protection device for surge protection device

• Main Authors: WANG MIN, MO XIGUANG, ZHANG ZHENGBAO, WANG DONGSHENG, HUANG KAISHENG, LIANG YICHENG, ZHANG JINGBIN, QIN YUEYAN
• Format: Patent
• Language: Chinese; English
• Published: 14.10.2022
• Subjects: BASIC ELECTRIC ELEMENTS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; EMERGENCY PROTECTIVE DEVICES; GENERATION; RELAYS; SELECTORS

According to the special protection device for the surge protection device, the moving contact is L-shaped, the other end of the flexible wire is connected with a butt welding joint at the horizontal end of the moving contact, the hardware connecting piece is L-shaped, a butt welding area at the vertical end of the hardware connecting piece is connected with the flexible wire, and a tin immersion area is additionally arranged in the butt welding area. According to the utility model, the capability of resisting large current impact of a welding spot is improved, and metal components and a shell in the protector are effectively protected. 电涌保护器专用保护装置耐受大电流焊点结构，动触头为L形，柔性导线的另一端与动触头水平端的对焊接头连接，五金连接件为L形，其竖直端的对焊区与柔性导线连接，对焊区内增加浸锡区。本实用新型具有提高焊点耐受大电流冲击的能力，有效保护保护器内部金属部件和外壳的效果。