Deep well grounding electrode and deep well grounding electrode monitoring system

US12332124B2 · kind B2 · utility

Assignees

• ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID · CN
• China Southern Power Grid Co., Ltd. · CN

Inventors

• Gang Liu · Longbeilingcun, CN
• Lu Qu · Longbeilingcun, CN
• Yi Bo Zhang · Markham, CA
• Shangmao Hu · Longbeilingcun, CN
• Taishan Hu · Longbeilingcun, CN
• Minchuan Liao · Longbeilingcun, CN
• Lei Jia · Beijing, CN
• Licheng Li · 安丰镇, CN
• Hong Rao · 流花街道, CN
• Hansheng Cai · Longbeilingcun, CN
• Ruifa Feng · Longbeilingcun, CN
• Hao Liu · Beijing, CN
• Qi Mei · Longbeilingcun, CN
• Jian Shi · Suzhou, CN
• Ruihan Qi · Longbeilingcun, CN

Key dates

• Filing date: Jul 24, 2020
• Grant date: Jun 17, 2025
• Expiry date: May 10, 2042

Classification

• Technology area (CPC G): Physics
• CPC primary: G01K1/12
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A deep well grounding electrode and a deep well grounding electrode monitoring system. The deep well grounding electrode comprises a feeding rod, a feeding head, a steel casing, a temperature measurement optical cable, an exhaust pipe, and a drainage cable; the steel casing is located in the well body; the feeding head is located at the bottom of the steel casing; the feeding rod, the temperature measurement optical cable, the exhaust pipe, and the drainage cable are located in the steel casing; the temperature measurement optical cable extends from a bottom end of the feeding rod to a monitoring module; the exhaust pipe extends from the bottom end of the feeding rod to the ground; and one end of the drainage cable is welded on the feeding rod, the other end extends to the monitoring module, and the drainage cable is fixed to the feeding rod by bolts.