摘要：The laser scribing of polyimide(PI, Kapton) film is a new, simple and effective method for graphene preparation. Moreover,the superhydrophobic surface modification can undoubtedly widen the application fields of graphene. Herein, inspired by the hydrophobic and self-cleaning properties of natural Oxalis corniculata Linn. leaves, we propose a novel bionic manufacturing method for superhydrophobic laser-induced graphene(LIG). By tailoring the geometric parameters(size, roughness and height/area ratio) and chemical composition, the three-dimensional(3D) multistage LIG, i.e., with micro-jigsaw-like and porous structure, can deliver a static water contact angle(WCA) of 153.5° ± 0.6°, a water sliding angle(WSA) of 2.5° ±0.5°, and great superhydrophobic stability lasting for 100 days(WCAs ≈ 150°). This outstanding water repellency is achieved by the secondary structure of jigsaw-like LIG, a porous morphology that traps air layers at the solid–liquid interface. The robust self-cleaning and anti-stick functions of 3D bionic and multistage LIG are demonstrated to confirm its great potential in wearable electronics.

摘要：对在野外人迹罕至的地方,安全意识薄弱的群众或不懂事的小孩子在电力设备附近进行垂钓、攀爬电力设备等危险行为时没有旁人的提醒与制止容易发生人身触电的场景进行了分析,创新式提出了设计简单实用的无源供电智能安全警示装置,利用智能识别技术判定危险行为,通过声光报警对违规人员进行提醒或现场到位劝阻,保证人身触电的危险行为能得到及时制止。

摘要：低压配电网电压等级低,工作人员容易产生麻痹大意的心理,因此发生在低压配电网的人身触电事故比其他电压等级都要高,低压配电领域的安全工作需引起重视。文章设计了一种低压带电告警绝缘工作手套,该手套在低压带电作业的过程中有较好的带电告警功能,时刻提醒工作人员带电的部位,有助于提高低压带电作业的安全性。