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22. 发明公开

KR1020100027138A 폴리머 투관 및 이를 이용한 케이블 종단 접속부 有权
标题翻译：聚合物布线绝缘子和电缆终端连接部分使用聚合物布线绝缘子
公开(公告)号：KR1020100027138A
公开(公告)日：2010-03-10
申请号：KR1020097026343
申请日：2008-06-13
申请人： 쇼와 전선 케이블 시스템 주식회사
发明人： 아다치카즈히사 , 세마노부유키 , 신타테히토시 , 오기시마미유키 , 시나가와쥰이치
IPC分类号： H02G15/02
CPC分类号： H02G15/064 , H01B17/42
摘要： The voltage of an operation voltage can be increased while avoiding the necessity of increasing the diameter of the polymer bushing insulator. A polymer bushing insulator (1) comprises a conductor pullout rod (2) disposed on its center and having a conductor insertion hole (2a) at its lower end, a hard insulator (3) provided on the outer periphery of the conductor pullout rod (2) and having a receiving port (31a) for a cable terminal (7) at its lower end, and a polymer cover (4) provided on the outer periphery of the insulator (3) and comprising a number of pleat parts (4a) while providing spaces among them in the longitudinal direction. A large-diameter part (33) is provided at a part around the lower end of the insulator (3) and above the conductor insertion hole (2a). A cylindrical shielding metal fitment (6) is buried concentrically with the conductor pullout rod (2) in the large-diameter part (33). Further, an electric field relaxation layer (5) is provided at the interface of the large-diameter part (33) and the polymer cover (4).
摘要翻译：可以增加操作电压的电压，同时避免增加聚合物衬套绝缘体的直径。聚合物套管绝缘体（1）包括设置在其中心的导体拉出杆（2），在其下端具有导体插入孔（2a），设置在导体拉出杆的外周上的硬绝缘体（3） 2），并且在其下端具有用于电缆端子（7）的接收端口（31a）和设置在绝缘体（3）的外周上并包括多个褶皱部分（4a）的聚合物盖（4）同时在纵向上提供它们之间的空间。在绝缘体（3）的下端部和导体插入孔（2a）的上方的一部分设有大直径部（33）。圆柱形屏蔽金属配件（6）与导体拉出杆（2）同心地埋在大直径部分（33）中。此外，在大直径部（33）和聚合物盖（4）的界面处设置电场缓和层（5）。

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