https://www.aliyundrive.com/s/6wFxGewq53r 引用一篇论文：https://m.docin.com/touch/p-2258900173.html?picCut=2

适用于监狱，军营等严禁禁止入内的场景，电流产生的电压对人体会产生生命危险 https://www.aliyundrive.com/s/sKMPVxwuCTD

https://www.aliyundrive.com/s/9khYwYDj67D

https://www.aliyundrive.com/s/dx7j85W2ouh

https://www.aliyundrive.com/s/3DqFRkfcySb