The utility model discloses a structure-improved nuclear phase detector, which comprises a main body of the nuclear phase detector, a test rod of the main body of the nuclear phase detector protrudes from the upper end of the shell of the main body of the nuclear phase detector, and an inner thread hole with an upward opening is arranged at the upper end of the test rod; the structure-improved nuclear phase detector also comprises a metal extension rod arranged vertically and located at the upper end side of the main body of the nuclear phase detector, and the metal extension rod is long. The shape of the rod and the cross section of the metal elongating rod are round, and the outer envelope of the metal elongating rod has a heat shrinkable sleeve; the lower end of the metal elongating rod is exposed to the heat shrinkable sleeve, and the lower end of the metal elongating rod is provided with an outer thread end extending downward and located at the lower end side of the heat shrinkable sleeve; the outer thread end of the metal elongating rod is installed in the inner thread hole of the test rod; The upper end is exposed to the upper end of the heat shrinkable casing. Through the above structure design, the utility model has the advantages of novel design and simple structure, and can be effectively applied to the phase checking operation of overhead lines and box-type equipment.
【技术实现步骤摘要】
核相器
本技术涉及核相器
,尤其是涉及一种核相器。
技术介绍
核相器是电力系统核对相位使用的一种仪器,可检测是否有电压的存在。现有的10kV核相器的形状和结构是按架空线路设计的,如用现有的10kV核相器对箱式设备的电缆肘头和T头内的导体进行核相,因其形状和结构不符,不能触及内部的导体,所以不能进行正确、安全的核相。另外,有些体积较小的核相器虽然能触及内部的导体,但因带电体与电缆附件的半导电层距离不够,可能引起放电,危及人身和设备的安全。
技术实现思路
本技术的目的在于提供一种核相器,以缓解了现有体积较小的核相器虽然能触及内部的导体,带电体与电缆附件的半导电层距离不够,可能引起放电的技术问题。本技术实施例提供的一种核相器,包括:核相器主体,所述核相器主体的测试杆凸出于核相器主体的壳体上端侧;所述核相器还包括有呈竖向布置且位于核相器主体上端侧的金属延长棒,所述金属延长棒的下端部与所述测试杆的上端部活动连接。进一步的,所述测试杆的上端部开设有朝上开口的内螺纹孔,所述金属延长棒的下端部设置有朝下延伸的外螺纹端部;所述金属延长棒的外螺纹端部螺装于测试杆的内螺纹孔内。进一步的,所述金属延长棒呈长棒形状且金属延长棒的横截面呈圆形形状。进一步的,所述金属延长棒的外围包套有热缩套管,所述热缩套管的材质绝缘。进一步的,所述金属延长棒的下端部外露于热缩套管,所述金属延长棒的上端部外露于热缩套管的上端部。进一步的,所述热缩套管的材质为橡胶。进一步的,所述金属延长棒为不锈钢棒。进一步的,所述金属延长棒的下端部与所述测试杆的上端部磁力连接。进一步的,所述测试杆的上端部设置有由磁铁制成的 ...
【技术保护点】
1.一种核相器,其特征在于,包括:核相器主体,所述核相器主体的测试杆凸出于核相器主体的壳体上端侧;所述核相器还包括有呈竖向布置且位于核相器主体上端侧的金属延长棒,所述金属延长棒的下端部与所述测试杆的上端部活动连接。
【技术特征摘要】
1.一种核相器,其特征在于,包括:核相器主体,所述核相器主体的测试杆凸出于核相器主体的壳体上端侧;所述核相器还包括有呈竖向布置且位于核相器主体上端侧的金属延长棒,所述金属延长棒的下端部与所述测试杆的上端部活动连接。2.根据权利要求1所述的核相器,其特征在于,所述测试杆的上端部开设有朝上开口的内螺纹孔,所述金属延长棒的下端部设置有朝下延伸的外螺纹端部;所述金属延长棒的外螺纹端部螺装于测试杆的内螺纹孔内。3.根据权利要求2所述的核相器,其特征在于,所述金属延长棒呈长棒形状且金属延长棒的横截面呈圆形形状。4.根据权利要求3所述的核相器,其特征在于,所述金属延长棒的外围包套有热缩套管,所述热缩套管的...
【专利技术属性】
技术研发人员:谢明磊,
申请(专利权)人:广东电网有限责任公司,广东电网有限责任公司梅州供电局,
类型:新型
国别省市:广东,44
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