Oil sampling device for oil chamber of tap switch of transformer

• Main Authors: JIANG YANLEI, YUE JUNFENG, SHI JINGZHONG, QIAN HONGTAO, ZHAO JIANJUN, FAN BAOSHI, QIN JUNLING, QIAN ZEWEN, ZHAO JIANGUO, LI WEI, WANG ZHENFANG, GAO JINCHEN, ZHENG JUNYANG
• Format: Patent
• Language: Chinese; English
• Published: 04.05.2011
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; INDUCTANCES; MAGNETS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TRANSFORMERS

The utility model discloses an oil sampling device for an oil chamber of a tap switch of a transformer, which comprises a metal flexible pipe, a curved pipe, a tee, a flange and a sampling valve, wherein one end of the flange is welded with the curved pipe, the other end of the flange is in threaded connection with the sampling valve, the curved pipe is in threaded connection with the metal flexible pipe, and the curved pipe is arranged in the tee. The flange is square or circular. The metal flexible pipe is a flexible stainless steel pipe or a flexible copper pipe, and the diameter of the metal flexible pipe is not more than 5mm. The oil sampling device has the following advantages: 1) the flange, the curved pipe, the sampling valve, the metal flexible pipe and the tee are matched for use, thereby not only enabling the sampling work to be more convenient and oil-saving and supplementing oil when the drainage of the oil for sampling is excessive, but also reducing the workload of sampling working staff and im