Current Sensor
First Claim
1. A current sensor, comprising:
- a conductive element with at least three terminal areas and a common conductive area, wherein each of the at least three terminal areas is connected to the common conductive area to guide a current applied to the respective terminal area into the common conductive area; and
at least two magnetic field sensors arranged at different geometric positions adjacent to the common conductive area, wherein each of the at least two magnetic field sensors is configured to sense a magnetic field component of the current flowing into the common conductive area to provide a sensor signal based on the sensed magnetic field component.
1 Assignment
0 Petitions
Accused Products
Abstract
Embodiments of the invention provide a current sensor including a conductive element and at least two magnetic field sensors. The conductive element includes at least three terminal areas and a common conductive area, wherein each of the at least three terminal areas is connected to the common conductive area to guide a current applied to the respective terminal area into the common conductive area. The at least two magnetic field sensors are arranged at different geometric positions adjacent to the common conductive area, wherein each of the at least two magnetic field sensors is configured to sense a magnetic field component of each current flowing into the common conductive area to provide a sensor signal based on the sensed magnetic field component.
14 Citations
26 Claims
-
1. A current sensor, comprising:
-
a conductive element with at least three terminal areas and a common conductive area, wherein each of the at least three terminal areas is connected to the common conductive area to guide a current applied to the respective terminal area into the common conductive area; and at least two magnetic field sensors arranged at different geometric positions adjacent to the common conductive area, wherein each of the at least two magnetic field sensors is configured to sense a magnetic field component of the current flowing into the common conductive area to provide a sensor signal based on the sensed magnetic field component. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
-
-
20. A current sensor, comprising:
-
a sheet-like conductive element with at least three cut-out slots to form at least three terminal areas that are, outside of a common conductive area, isolated from each other, and each configured to guide a current applied to the respective terminal area into the common conductive area; and at least three magnetic field sensors arranged on a circle at different geometric positions adjacent to the common conductive area, wherein each of the at least three magnetic field sensors is configured to sense a magnetic field component of the current flowing into the common conductive area to provide a sensor signal based on the sensed magnetic field component.
-
-
21. A current sensor, comprising:
-
a conductive element with n terminal areas, wherein n is at least three, and a common conductive area, wherein each of the n terminal areas is connected to the common conductive area and configured to guide a current applied to the respective terminal area into the common conductive area; and m magnetic field sensors, wherein m is at least two, arranged at different geometric positions adjacent to the common conductive area, wherein each of the m magnetic field sensors is configured to sense a magnetic field component of the current flowing into the common conductive area to provide a sensor signal based on the sensed magnetic field component. - View Dependent Claims (22, 23, 24)
-
-
25. A method for measuring at least three currents in a measuring node, wherein the measuring node comprises at least two magnetic field sensors, comprising:
-
sensing a magnetic field component of the current flowing into the measuring node with the at least two magnetic field sensors; and evaluating the value of the currents flowing into the measuring node based on the sensed magnetic field component. - View Dependent Claims (26)
-
Specification