CONNECTION STRUCTURE, MEASUREMENT SYSTEM, AND CONNECTION UNIT

• Main Authors: MORISHIMA YASUMASA, WATABE HARUKI, MIKI EIJI, RIKIHISA HIROAKI
• Format: Patent
• Language: English; Japanese
• Published: 18.11.2021
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES; MEASURING; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE; MEASURING QUANTITY OF HEAT; MEASURING TEMPERATURE; PHYSICS; SIGNALLING; TESTING; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR; TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS

To measure a state of a power cable connection part.SOLUTION: A power cable connection structure comprises a measurement device 100A including: a conductor connection section 30 which connects respective conductors 21A, 21B of two power cables 20A, 20B for transmitting power; a rubber block 10 which has a cylindrical shape, covers at least the outer periphery of the conductor connection section 30 with its inner peripheral surface, and applies pressure toward the conductor connection section 30; a sensor arranged on an inner side with respect to the inner peripheral surface; a power reception section arranged on the inner side with respect to the inner peripheral surface, and wirelessly receiving power feeding from an external device by an electric field resonance system; a transmission section arranged on the inner side with respect to the inner peripheral surface, and transmits information to the external device; and a control section arranged on an inner side with respect to the inner peripheral surface, acquiring a measurement result of the sensor and also transmitting information indicating the measurement result to the external device by the transmission section.SELECTED DRAWING: Figure 2 【課題】電力ケーブルの接続部の状態を測定する。【解決手段】電力ケーブルの接続構造は、電力を送電する２本の電力ケーブル２０Ａ、２０Ｂのそれぞれの導体２１Ａ、２１Ｂを接続する導体接続部３０と、筒状で少なくとも導体接続部３０の外周を内周面で覆い、導体接続部３０へ向けて圧力を加えるゴムブロック１０と、前記内周面より内側に配置されたセンサと、前記内周面より内側に配置され、外部装置から電界共鳴方式で無線給電される受電部と、前記内周面より内側に配置され、前記外部装置へ情報を送信する送信部と、前記内周面より内側に配置され、前記センサの測定結果を取得し、測定結果を示す情報を前記送信部で前記外部装置へ送信する制御部と、を有する測定装置１００Ａを備える。【選択図】図２