從高電壓試驗數(shù)據(jù)處理的傳統(tǒng)模式入手，構(gòu)建基于工業(yè)交換機高電壓試驗數(shù)據(jù)處理平臺；介紹該平臺的硬件配置和功能；最后，展示該平臺的現(xiàn)場和結(jié)果。
1 高電壓試驗數(shù)據(jù)處理的傳統(tǒng)模式
高電壓試驗數(shù)據(jù)處理的傳統(tǒng)模式為試驗數(shù)據(jù)采集、試驗數(shù)據(jù)處理和試驗報告審批；其全過程均為紙質(zhì)文擋和手工作業(yè)；高電壓試驗數(shù)據(jù)處理的傳統(tǒng)模式流程如圖1。
高電壓試驗數(shù)據(jù)處理的傳統(tǒng)模式流程
高電壓試驗數(shù)據(jù)處理的傳統(tǒng)模式流程
圖1 高電壓試驗數(shù)據(jù)處理的傳統(tǒng)模式流程
2 基于工業(yè)交換機的高電壓試驗數(shù)據(jù)處理平臺硬件配置
基于工業(yè)交換機的高電壓試驗數(shù)據(jù)處理平臺硬件配置如圖2：工業(yè)交換機由poe供電交換機、ES2208以太網(wǎng)交換機和無線Modem(貓)組成；ES2208以太網(wǎng)交換機網(wǎng)聯(lián)采集卡、示波器、PC機、攝象頭等完成試驗數(shù)據(jù)的采集，并網(wǎng)聯(lián)到人機互動。人機互動組建小型無線網(wǎng)，人機互動1-3分別完成試驗數(shù)據(jù)處理并出具試驗報告；將電子文檔報告網(wǎng)上傳到試驗辦公室，進行校準、審核和批準。
poe供電交換機是一個典型的以太網(wǎng)供電系統(tǒng)。在配線柜里保留以太網(wǎng)交換機設(shè)備，用一個帶電源供電集線器(Midspan HUB)給局域網(wǎng)的雙絞線提供電源。在雙絞線的末端，該電源用來驅(qū)動電話、有線接入點、相機和其他設(shè)備。為避免斷電，可以選用一個UPS。
ES2208是一款采用REALTEK RTL8370N 芯片的8口10/100/1000Mbps 非管理型以太網(wǎng)交換機。此產(chǎn)品提供8個10/100/1000Mbps 自適應(yīng)端口，高集成度設(shè)計，小巧、輕便，操作簡單，適用于中小型辦公和家庭網(wǎng)絡(luò)。采用存儲轉(zhuǎn)發(fā)技術(shù)，結(jié)合動態(tài)內(nèi)存分配，確保有效的分配到每一個端口。流量 控制保證節(jié)點在傳送和接收時，盡可能的避免數(shù)據(jù)包丟失。兼容10Base-T ，100Base-TX，1000Base-T 三種網(wǎng)絡(luò)環(huán)境，端口速度10/100/1000Mbps 自動匹配，豐富的QoS策略滿足不同用戶的需求，支持look-back detection/prevention，LED燈動態(tài)顯示電源、網(wǎng)路通斷情況。
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
