| 摘要 |
The invention relates to an apparatus for checking electrical lines, which can be used, in particular, to check the state of wear on electrical lines consisting of at least one contact wire designed to form an electrical connection with a sliding contact on an electric machine; the apparatus being of the opto-electronic type and measuring the state of wear on the wire, detecting the various ways in which a substantially directive band of light striking the wire is reflected, according to the state of wear on the wire. <IMAGE> |
