A roebel coil tester for power measurement
By combining the design of flexible coil and expansion rod, the measurement error caused by shaking and bending of the wire during use of the handheld Rogowski coil tester is solved, realizing adaptive clamping and straightening of the wire and the center of the coil, thus improving the measurement accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- HUIZHOU MINGLIANJIA IND CO LTD
- Filing Date
- 2026-05-19
- Publication Date
- 2026-07-17
AI Technical Summary
Handheld Rogowski coil testers are prone to shaking during use, making it difficult to maintain a stable concentric state, which leads to a significant increase in measurement error, especially when the wire under test is bent, making it even more difficult to align with the center of the coil.
The design employs a flexible coil, an expansion rod, a straightening component, and a clamping component. The expansion rod expands synchronously as the flexible coil contracts. The combination of elastic clips and rigid blocks enables adaptive clamping and straightening of the wire under test, ensuring that the wire coincides with the center of the coil.
It significantly improves the accuracy of measurement data, reduces the impact of shaking on measurement, adapts to wires of various outer diameters, and ensures accurate measurement even when the wire is bent or shaking, thus improving measurement precision.
Smart Images
Figure CN122410107A_ABST