| 摘要 |
The invention discloses surface-adhering fuses and structures of the surface-adhering fuses. Each surface-adhering fuse comprises a ceramic tube, a pair of sealing electrodes arranged at two ends of each ceramic tube, and a fuse unit arranged in the ceramic tube and electrically connected to the above sealing electrodes. Each fuse unit comprises a non-electric conductivity element, multiple terminal electrodes arranged at two ends of the non-electric conductivity element, fusible elements electrically connected to the terminal electrodes and multiple welding rings arranged between the above ceramic tube and each sealing electrode. By fusion of the welding rings, the ceramic tube and the sealing electrodes are joined. Due to the fact that non-electric conductivity elements are formed by ceramic material with better mechanical strength and ceramic tubes are utilized and the welding rings are used for joining the ceramic tubes and the sealing electrodes, durability of the fuses is greatly improved. The characteristic of time delay is improved so that the fuses can be stably operated to high voltage. |
