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目前矿用自卸车液压油污染度采用的定期离线检测法,不能及时发现液压污染度是否超标,从而可能导致矿用自卸车故障率较高,针对这一问题,基于光阻法原理,笔者运用PIC单片机和光电传感器,设计了一种矿用自卸车车载式液压油颗粒计数器,在实验室完成了车载式液压油颗粒计数器核心部分的设计与试验;试验结果表明,该颗粒计数器具有较高的准确性和稳定性。
At present, the regular off-line detection method adopted by hydraulic oil pollution of mining dump trucks can not find out whether the hydraulic pollution degree exceeds the standard in time, which may lead to a higher failure rate of mining dump truck. In view of this problem, based on the principle of light resistance method, PIC microcontroller and photoelectric sensor, the design of a truck-mounted hydraulic oil particle counter for mining dumper truck was completed in the laboratory and the core part of the vehicle-mounted hydraulic oil particle counter was designed and tested. The experimental results show that the particle counter has high Accuracy and stability.