| 摘要 |
Impact recording system, comprising a measurement probe including at least one piezoelectric element (10a, 10b, 10c), comprising an autonomous electronic module (200) for storing in memory and logging (recording the time of) the data transmitted by the probe, and comprising interpretation (postprocessing) software for the data to be processed by a computer. In order to allow bulk detection of the impacts, the measurement probe (100) has a piezoelectric element (10a, 10b, 10c) of a relatively flexible pipe and of linear shape, in order to be arranged along a line of a surface of an object (0) potentially subjected to impacts. In preference, the linear piezoelectric element (10a, 10b, 10c) is a cable, formed by a so-called central conductor, surrounded by a conducting jacket (2) from which it is insulated by a piezoelectric material (3) composed of a compacted powder, this cable allowing detection of the impacts which are transmitted to it radially in order to allow detection of the impacts coming from several directions. Application: monitoring of objects or packaging with regard to potential impacts. <IMAGE> |
