从高电压试验数据处理的传统模式入手，构建基于工业交换机高电压试验数据处理平台；介绍该平台的硬件配置和功能；最后，展示该平台的现场和结果。
1 高电压试验数据处理的传统模式
高电压试验数据处理的传统模式为试验数据采集、试验数据处理和试验报告审批；其全过程均为纸质文挡和手工作业；高电压试验数据处理的传统模式流程如图1。
高电压试验数据处理的传统模式流程
高电压试验数据处理的传统模式流程
图1 高电压试验数据处理的传统模式流程
2 基于工业交换机的高电压试验数据处理平台硬件配置
基于工业交换机的高电压试验数据处理平台硬件配置如图2：工业交换机由poe供电交换机、ES2208以太网交换机和无线Modem(猫)组成；ES2208以太网交换机网联采集卡、示波器、PC机、摄象头等完成试验数据的采集，并网联到人机互动。人机互动组建小型无线网，人机互动1-3分别完成试验数据处理并出具试验报告；将电子文档报告网上传到试验办公室，进行校准、审核和批准。
poe供电交换机是一个典型的以太网供电系统。在配线柜里保留以太网交换机设备，用一个带电源供电集线器(Midspan HUB)给局域网的双绞线提供电源。在双绞线的末端，该电源用来驱动电话、有线接入点、相机和其他设备。为避免断电，可以选用一个UPS。
ES2208是一款采用REALTEK RTL8370N 芯片的8口10/100/1000Mbps 非管理型以太网交换机。此产品提供8个10/100/1000Mbps 自适应端口，高集成度设计，小巧、轻便，操作简单，适用于中小型办公和家庭网络。采用存储转发技术，结合动态内存分配，确保有效的分配到每一个端口。流量 控制保证节点在传送和接收时，尽可能的避免数据包丢失。兼容10Base-T ，100Base-TX，1000Base-T 三种网络环境，端口速度10/100/1000Mbps 自动匹配，丰富的QoS策略满足不同用户的需求，支持look-back detection/prevention，LED灯动态显示电源、网路通断情况。
conversion wire drawing machine is difficult and the cost is not low. Therefore, the double frequency conversion wire drawing machine adopts PLC non-contact detection and data processing to accurately control the running frequency of the two motors to ensure constant slip. It has the characteristics of low failure rate and high running speed. It has become the development direction of ultra-fine wire drawing machine in the future. 2、 Double frequency conversion wire drawing composition
As shown in the figure below, the unwinding is free unwinding, and the speed of wire drawing is input to AI2 through potentiometer to control the speed of the whole machine. PLC calculates the pulse difference by detecting the pulse density of the constant speed wheel and guide wheel, and controls the frequency of the take-up frequency converter to ensure the constant slip. Because the outgoing wire of the ultra-fine wire drawing machine is very thin, using the swing rod to detect the tension will cause wire damage, and the runout of the swing rod is also very easy to break the wire. Therefore, compared with the traditional water
