實驗名稱：電流體噴印機軟件系統設計

　　測試目的：電噴印(yin)軟件系(xi)統是建立(li)在(zai)硬(ying)件系(xi)統基礎上的，通過軟件系(xi)統控制硬(ying)件的配合工(gong)作，整個電流體(ti)噴印(yin)機才能完成各種電噴印(yin)工(gong)藝流程，硬(ying)件系(xi)統決定了整個軟件系(xi)統的功能。

　　測試設備：高壓放大器、高壓發(fa)(fa)生器、函(han)數發(fa)(fa)生器、氣壓控(kong)制器、精密流量泵等。

　　實驗過程：

　　圖(tu)1：整(zheng)體硬件結構圖(tu)

　　如圖1所示(shi)，整(zheng)體硬件由2套(tao)噴嘴(zui)氣壓(ya)系統(tong)(tong)(tong)(tong)、2套(tao)噴嘴(zui)流量系統(tong)(tong)(tong)(tong)，3套(tao)運動系統(tong)(tong)(tong)(tong)、3套(tao)視覺系統(tong)(tong)(tong)(tong)和(he)(he)1套(tao)控制系統(tong)(tong)(tong)(tong)組成。其中，噴嘴(zui)系統(tong)(tong)(tong)(tong)負(fu)(fu)責(ze)(ze)控制工藝流量和(he)(he)工藝電(dian)壓(ya)以形(xing)成指定(ding)的工藝模(mo)式(電(dian)紡絲直寫、電(dian)流體按需噴印(yin)、電(dian)霧化制膜)，運動系統(tong)(tong)(tong)(tong)負(fu)(fu)責(ze)(ze)基板和(he)(he)噴嘴(zui)的相對運動以形(xing)成指定(ding)圖案，視覺系統(tong)(tong)(tong)(tong)負(fu)(fu)責(ze)(ze)噴印(yin)過程的觀測(ce)和(he)(he)反(fan)饋控制及(ji)輔(fu)助定(ding)位。

　　圖2：噴(pen)嘴系統常用組合方案

　　噴嘴(zui)系統(tong)是(shi)實現電噴印工藝(yi)的核(he)心部分(fen)。基本原理是(shi)通(tong)過在噴嘴(zui)和基板間加上高壓(ya)，形(xing)成(cheng)泰勒(le)錐，完成(cheng)電噴印工藝(yi)。噴嘴(zui)需要(yao)提(ti)供(gong)電壓(ya)控(kong)制和流量(liang)控(kong)制。

　　電(dian)(dian)壓(ya)控(kong)(kong)制(zhi)(zhi)可使用(yong)函數發生器(qi)+高(gao)壓(ya)放大器(qi)，流(liu)(liu)量(liang)(liang)控(kong)(kong)制(zhi)(zhi)可使用(yong)氣(qi)壓(ya)控(kong)(kong)制(zhi)(zhi)器(qi)或精密流(liu)(liu)量(liang)(liang)泵：前者控(kong)(kong)制(zhi)(zhi)流(liu)(liu)量(liang)(liang)平穩(wen)(wen)，可以(yi)采用(yong)PC控(kong)(kong)制(zhi)(zhi)，但是需要噴嘴末端提供氣(qi)壓(ya)接口，一般(ban)對于穩(wen)(wen)定要求較高(gao)的(de)電(dian)(dian)點噴需要使用(yong)氣(qi)壓(ya)控(kong)(kong)制(zhi)(zhi)器(qi)完(wan)成(cheng)流(liu)(liu)量(liang)(liang)控(kong)(kong)制(zhi)(zhi)；后(hou)者可連接至PC，在(zai)PC調節流(liu)(liu)量(liang)(liang)大小以(yi)維持(chi)供給平衡，它使用(yong)簡單方便，電(dian)(dian)紡絲和電(dian)(dian)噴霧經常使用(yong)精密流(liu)(liu)量(liang)(liang)泵完(wan)成(cheng)流(liu)(liu)量(liang)(liang)控(kong)(kong)制(zhi)(zhi)。

　　電(dian)(dian)(dian)(dian)(dian)紡絲、電(dian)(dian)(dian)(dian)(dian)點(dian)噴(pen)(pen)、電(dian)(dian)(dian)(dian)(dian)噴(pen)(pen)霧(wu)常用組(zu)合方案如圖2。對(dui)于需(xu)要(yao)(yao)在PC端控(kong)制(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)且電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)最高(gao)不超(chao)過的5KV的電(dian)(dian)(dian)(dian)(dian)紡絲和電(dian)(dian)(dian)(dian)(dian)點(dian)噴(pen)(pen)的電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)控(kong)制(zhi)(zhi)使(shi)(shi)用函數發(fa)生(sheng)器(qi)+高(gao)壓(ya)(ya)放大器(qi)形式，對(dui)于電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)要(yao)(yao)求超(chao)過5KV的電(dian)(dian)(dian)(dian)(dian)噴(pen)(pen)霧(wu)的電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)控(kong)制(zhi)(zhi)需(xu)要(yao)(yao)使(shi)(shi)用高(gao)壓(ya)(ya)發(fa)生(sheng)器(qi)。對(dui)于流(liu)量(liang)控(kong)制(zhi)(zhi)穩定(ding)性要(yao)(yao)求較高(gao)的電(dian)(dian)(dian)(dian)(dian)點(dian)噴(pen)(pen)的流(liu)量(liang)控(kong)制(zhi)(zhi)使(shi)(shi)用氣壓(ya)(ya)控(kong)制(zhi)(zhi)器(qi)，電(dian)(dian)(dian)(dian)(dian)紡絲和電(dian)(dian)(dian)(dian)(dian)噴(pen)(pen)霧(wu)一般(ban)使(shi)(shi)用流(liu)量(liang)泵(beng)控(kong)制(zhi)(zhi)流(liu)量(liang)。

　　實驗結果：

　　搭建實驗平(ping)臺，電(dian)流(liu)體噴印機工(gong)作時不(bu)(bu)同基底組合運動(dong)方式各(ge)不(bu)(bu)相同，電(dian)紡絲直寫、電(dian)流(liu)體按(an)需噴印和電(dian)霧化的(de)工(gong)藝流(liu)程和工(gong)藝參數也各(ge)不(bu)(bu)相同，每次加工(gong)需要控制如(ru)下(xia)功能的(de)配合：

　　1.上XYZ運動(dong)(dong)軸(zhou)、下XY運動(dong)(dong)軸(zhou)和(he)卷(juan)到卷(juan)運動(dong)(dong)的組合運動(dong)(dong)

　　2.噴嘴流(liu)量控制(氣壓控制器或精密流(liu)量泵)

　　3.噴(pen)嘴電壓(ya)控制(函數(shu)發生(sheng)器(qi)+高壓(ya)放大器(qi)或高壓(ya)發生(sheng)器(qi))

　　4.不同的參數輸入

　　高壓放大器推薦：ATA-7050

　　圖：ATA-7050高壓放大器指標參數

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