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专利名称: 密封包装物的针孔检测方法
其他题名: Pinhole detection method for sealed package
作者: 马钺; 纪洋; 王海涛
所属部门: 智能检测与装备研究室
专利权人: 中国科学院沈阳自动化研究所
专利代理: 沈阳科苑专利商标代理有限公司 21002
专利国别: 中国
专利类型: 发明授权
专利状态: 有效
摘要: 本发明涉及一种食品、医疗用品等需完全密封包装的物品的针孔检测方法。将由绝缘材料包装包裹的导电物放置在一对检测电极的正下方;一检测电极通过导线与高压电源的正极相连,另一检测电极通过导线接入电流检测装置后接地;两检测电极水平摆放,相互间隔一定距离,该距离能够防止两电极由于高压击穿空气而导致短路;两电极的不锈钢珠链与密封包装物的绝缘材料包装表面接触;高压电源通过检测电极对密封包装物施加高压电,使密封包装物充电;针孔检测;交换两检测电极的极性,针孔检测。本发明能够实现对密封包装产品的高速在线无损针孔检测,可以检测出直径小于0.5um的微小针孔,精度极高。
英文摘要: The invention relates to a pinhole detection method for articles which need to be packaged in a sealed mode in food, medical supplies and the like. Conductive materials which are packaged and wrapped by insulation materials are placed under a pair of detection electrodes; one detection electrode is connected with a positive pole of a high-voltage power supply through guide wires, and the other detection electrode is accessed to a current detection device and then is accessed to ground through the guide wires; the two detection electrodes are placed horizontally, and are spaced to each other in a certain distance, and the distance can prevent the two electrodes from being a short circuit caused by high-voltage breakdown air; stainless steel bead chains of the two electrodes contact the packaging surface of the insulation materials of a sealed package; the high-voltage power supply imposes high-voltage electricity on the sealed package through the detection electrodes, and therefore the sealed package is charged; pinhole detection is conducted; and polarity of the two detection electrodes is exchanged, and then the pinhole detection is conducted. The pinhole detection method for the sealed package is capable of achieving high-speed online lossless pinhole detection to sealed packaging products, and therefore small pinholes with a diameter of less than 0.5 micrometer are detected, and accuracy is high.
是否PCT专利:
申请日期: 2011-12-12
公开日期: 2013-06-19
授权日期: 2015-12-09
专利申请号: CN201110412383.X
公布/公告号: CN103162921B
语种: 中文
产权排序: 1
内容类型: 专利
URI标识: http://ir.sia.cn/handle/173321/17555
Appears in Collections:智能检测与装备研究室_专利

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Recommended Citation:
马钺,纪洋,王海涛. 密封包装物的针孔检测方法. CN103162921B. 2013.
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