|発明の名称||STATE MONITORING DEVICE OF CURRENT COLLECTOR|
PROBLEM TO BE SOLVED: To provide a state monitoring device of a current collector, correctly determining any abnormal state of the current collector and rapidly advising it.
SOLUTION: An evaluation unit 4h evaluates the state of a current collector 3, based on the sliding noise of the current collector 3 detected by a noise detection unit 4a, and evaluates the state of the current collector 3 based on the current fluctuation of the current collector 3 detected by a current detection unit 4b. The evaluation unit 4h evaluates that the current collector 3 is in an abnormal state since the sliding noise level is higher than that in a normal state and the current fluctuation exceeds the normal range when the output signal of the noise detection unit 4a exceeds the predetermined level and the output signal of the current detection unit 4b also exceeds the predetermined level. On the other hand, the evaluation unit 4h evaluates that the current collector 3 is in a normal state since the sliding noise level is lower than that in the normal state and the current fluctuation is within the normal range when the output signal of the noise detection unit 4a is equal to or lower than the predetermined level, and the output signal of the current detection unit 4b is fluctuated under the predetermined level.
- 公益財団法人鉄道総合技術研究所 情報管理部 知的財産担当
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