Knife state monitoring device and knife switch

• Main Authors: WANG ZHIQIANG, LIANG BAIQIANG, PANG HUAYONG, SHAO XIAOBIN, CAI LIZI, LIANG JUN, LIANG WENQIAN
• Format: Patent
• Language: Chinese; English
• Published: 28.08.2018
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SWITCHES; ELECTRICITY; EMERGENCY PROTECTIVE DEVICES; RELAYS; SELECTORS

The invention discloses a knife state monitoring device and a knife switch, relating to the technical field of electrical equipment. The knife state monitoring device comprises a photoelectric code optical ring ruler, a photoelectric code receiver, a monitor and a display device which are arranged on a knife, wherein the photoelectric code optical ring ruler is used for sending out a knife position coded signal along with rotation of a knife rotary shaft, the photoelectric code receiver is connected with the photoelectric code optical ring ruler to receive the knife position coded signal sentout by the photoelectric code optical ring ruler, and to obtain knife position coded information, the monitor is connected with the photoelectric code receiver to receive the knife position coded information transmitted by the photoelectric code receiver, compares the knife position coded information with initial knife position coded information set on the monitor for judging, and calculates a real-time knife position, an