发明名称 |
ELECTRICAL CURRENT TRANSDUCER WITH ELECTROSTATIC SHIELD |
摘要 |
Electrical current transducer to measure the current flowing in a primary conductor, the transducer including an outer casing, a magnetic core comprising a magnetic circuit gap, a magnetic field detector comprising a sensing portion positioned in the magnetic circuit gap, an insulating core housing, a secondary coil formed from a wire wound around a coil support portion of the insulating core housing, and an electrostatic shield. The electrostatic shield is positioned between secondary coil and a radially inner wall portion of the outer casing, the radially inner wall portion defining a passage configured to receive said primary conductor therethrough. The electrostatic shield comprises a skirt portion formed by a plurality of flexible strips extending axially from an edge of the shield, the flexible strips configured to elastically bias against a base wall portion of the outer casing. |
申请公布号 |
US2016154026(A1) |
申请公布日期 |
2016.06.02 |
申请号 |
US201514931715 |
申请日期 |
2015.11.03 |
申请人 |
LEM Intellectual Property SA |
发明人 |
CLAEYS Stéphane |
分类号 |
G01R15/18;G01R19/00 |
主分类号 |
G01R15/18 |
代理机构 |
|
代理人 |
|
主权项 |
1. Electrical current transducer to measure the current flowing in a primary conductor, the transducer including an outer casing, a magnetic core comprising a magnetic circuit gap, a magnetic field detector comprising a sensing portion positioned in the magnetic circuit gap, an insulating core housing, a secondary coil formed from a wire wound around a coil support portion of the insulating core housing, and an electrostatic shield positioned between secondary coil and a radially inner wall portion of the outer casing, the radially inner wall portion defining a passage configured to receive the primary conductor therethrough, wherein the electrostatic shield comprises a skirt portion formed by a plurality of flexible strips extending axially from an edge of the shield, the flexible strips configured to elastically bias against a base wall portion of the outer casing. |
地址 |
Fribourg CH |