Tooth-shaped opening and closing type small current sensor

• Main Authors: DONG LONGFEI, JIANG XUELING, HUA QIANG, ZHANG ZIYAN, WANG JINGQI, LU CAIJIANG, CAO ZHONGQING, LI LINFENG, XU HANG
• Format: Patent
• Language: Chinese; English
• Published: 18.05.2021
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention discloses a tooth-shaped opening and closing type small current sensor, which comprises a magnetoelectric laminated material and a tooth-shaped magnetic core, wherein the tooth-shaped magnetic core is of a tooth-shaped opening and closing type structure, and the tooth-shaped magnetic core enables the magnetoelectric laminated material to be placed in an air gap of the tooth-shaped magnetic core through double-end clamping. The tooth-shaped magnetic core is of a tooth-shaped opening and closing type structure, the requirement for convenient installation and maintenance during actual use of the sensor can be met, meanwhile, compared with a plain-end opening and closing type magnetic core, the contact area of the opening and closing position of the magnetic core is effectively increased, the magnetic field intensity of the material position is improved, and therefore the sensitivity of the sensor is improved. Compared with a Hall element and a magnetoresistive element, the magnetoelectric sensor ca